6,000+ Free Online Courses \u2014 TUN<\/title>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,500;0,9..144,700;1,9..144,400&display=swap\" rel=\"stylesheet\">\n<style>\n :root {\n --tun-black: #0D0D0D; --tun-white: #FAFAF8; --tun-blue: #1B4DFF; --tun-blue-light: #E8EEFF;\n --tun-blue-dark: #0A2DB3; --tun-gold: #F5A623; --tun-gold-light: #FFF7E8; --tun-green: #1DB954;\n --tun-green-light: #E8FBF0; --tun-gray-100: #F4F4F2; --tun-gray-200: #E8E8E4;\n --tun-gray-400: #A8A8A0; --tun-gray-600: #6B6B63; --tun-gray-800: #2D2D28;\n --font-display: 'Fraunces', Georgia, serif; --font-body: 'DM Sans', system-ui, sans-serif;\n }\n * { margin: 0; padding: 0; box-sizing: border-box; }\n html { scroll-behavior: smooth; }\n body { font-family: var(--font-body); color: var(--tun-gray-800); background: var(--tun-white); line-height: 1.6; -webkit-font-smoothing: antialiased; }\n .site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(250,250,248,0.95); backdrop-filter: blur(16px); border-bottom: 1px solid var(--tun-gray-200); transition: box-shadow 0.3s ease; }\n .site-header.scrolled { box-shadow: 0 2px 24px rgba(0,0,0,0.06); }\n .site-header-inner { max-width: 1200px; margin: 0 auto; padding: 14px 32px; display: flex; align-items: center; justify-content: space-between; }\n .site-header-nav { display: flex; gap: 28px; }\n .site-header-nav a { font-size: 14px; font-weight: 500; color: var(--tun-gray-600); text-decoration: none; transition: color 0.2s ease; }\n .site-header-nav a:hover { color: var(--tun-black); }\n .nav-logo { font-family: var(--font-display); font-size: 28px; font-weight: 700; color: var(--tun-black); text-decoration: none; letter-spacing: -0.5px; }\n .nav-logo span { color: var(--tun-blue); }\n .section { padding: 100px 32px; }\n .section-inner { max-width: 1200px; margin: 0 auto; }\n .section-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; color: var(--tun-blue); margin-bottom: 16px; }\n .section-title { font-family: var(--font-display); font-size: clamp(32px, 3.5vw, 48px); font-weight: 700; line-height: 1.12; letter-spacing: -1px; color: var(--tun-black); margin-bottom: 16px; }\n .section-subtitle { font-size: 18px; color: var(--tun-gray-600); max-width: 600px; line-height: 1.6; }\n\n \/* HERO *\/\n .hero { padding: 140px 32px 80px; text-align: center; position: relative; overflow: hidden; background: linear-gradient(180deg, var(--tun-white) 0%, var(--tun-green-light) 50%, var(--tun-white) 100%); }\n .hero::before { content: ''; position: absolute; top: -200px; left: 50%; transform: translateX(-50%); width: 900px; height: 900px; border-radius: 50%; background: radial-gradient(circle, rgba(29,185,84,0.06) 0%, transparent 55%); pointer-events: none; }\n .hero-inner { max-width: 800px; margin: 0 auto; position: relative; }\n .hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 18px; background: white; border: 1px solid var(--tun-gray-200); border-radius: 100px; font-size: 13px; font-weight: 500; color: var(--tun-gray-600); margin-bottom: 28px; animation: fadeUp 0.6s ease both; }\n .hero-badge .dot { width: 8px; height: 8px; background: var(--tun-green); border-radius: 50%; animation: pulse 2s ease infinite; }\n .hero h1 { font-family: var(--font-display); font-size: clamp(44px, 6vw, 76px); font-weight: 700; line-height: 1.04; letter-spacing: -2.5px; color: var(--tun-black); margin-bottom: 20px; animation: fadeUp 0.6s 0.1s ease both; }\n .hero h1 em { font-style: italic; color: var(--tun-blue); }\n .hero-sub { font-size: 20px; line-height: 1.6; color: var(--tun-gray-600); max-width: 560px; margin: 0 auto 36px; animation: fadeUp 0.6s 0.2s ease both; }\n .hero-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; animation: fadeUp 0.6s 0.3s ease both; }\n .btn-ai { display: inline-flex; align-items: center; gap: 10px; padding: 18px 36px; background: var(--tun-blue); color: white; text-decoration: none; font-weight: 600; font-size: 17px; border-radius: 14px; transition: all 0.25s ease; box-shadow: 0 4px 20px rgba(27,77,255,0.2); }\n .btn-ai:hover { background: var(--tun-blue-dark); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(27,77,255,0.3); }\n .btn-secondary { display: inline-flex; align-items: center; gap: 10px; padding: 18px 36px; background: white; color: var(--tun-gray-800); text-decoration: none; font-weight: 600; font-size: 17px; border-radius: 14px; border: 1px solid var(--tun-gray-200); transition: all 0.25s ease; }\n .btn-secondary:hover { border-color: var(--tun-gray-400); transform: translateY(-2px); }\n\n \/* SEARCH *\/\n .search-wrapper { max-width: 600px; margin: 0 auto 28px; position: relative; z-index: 50; }\n .search-box {\n display: flex; align-items: center; gap: 12px;\n padding: 16px 24px; background: white; border: 2px solid var(--tun-gray-200);\n border-radius: 16px; transition: all 0.25s ease;\n box-shadow: 0 4px 20px rgba(0,0,0,0.06);\n }\n .search-box:focus-within { border-color: var(--tun-blue); box-shadow: 0 4px 24px rgba(27,77,255,0.12); }\n .search-icon { font-size: 20px; flex-shrink: 0; color: var(--tun-gray-400); }\n .search-box input {\n flex: 1; border: none; outline: none; font-size: 16px; font-family: var(--font-body);\n color: var(--tun-black); background: transparent;\n }\n .search-box input::placeholder { color: var(--tun-gray-400); }\n .search-shortcut { font-size: 16px; color: var(--tun-gray-400); flex-shrink: 0; padding: 4px; }\n .search-shortcut:hover { color: var(--tun-gray-800); }\n .search-results {\n position: absolute; top: calc(100% + 8px); left: 0; right: 0;\n background: white; border: 1px solid var(--tun-gray-200); border-radius: 16px;\n box-shadow: 0 16px 48px rgba(0,0,0,0.16); display: none; max-height: 480px;\n overflow-y: auto; z-index: 999;\n }\n .search-results.active { display: block; }\n .search-result-item {\n display: block; padding: 16px 24px; text-decoration: none; color: inherit;\n border-bottom: 1px solid var(--tun-gray-100); transition: background 0.15s ease;\n }\n .search-result-item:last-child { border-bottom: none; }\n .search-result-item:hover { background: var(--tun-blue-light); }\n .search-result-item h5 { font-size: 15px; font-weight: 600; color: var(--tun-black); margin-bottom: 2px; }\n .search-result-item p { font-size: 13px; color: var(--tun-gray-600); }\n .search-result-item .sr-uni { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--tun-blue); }\n .search-loading { padding: 24px; text-align: center; color: var(--tun-gray-400); font-size: 14px; }\n .search-empty { padding: 24px; text-align: center; }\n .search-empty p { color: var(--tun-gray-400); font-size: 14px; margin-bottom: 8px; }\n .search-empty a { color: var(--tun-blue); font-weight: 600; font-size: 14px; text-decoration: none; }\n\n \/* UNIVERSITIES *\/\n .universities { background: var(--tun-white); padding: 60px 32px; }\n .uni-inner { max-width: 1200px; margin: 0 auto; text-align: center; }\n .uni-label { font-size: 13px; color: var(--tun-gray-400); margin-bottom: 24px; font-weight: 500; }\n .uni-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }\n .uni-pill { padding: 10px 22px; background: var(--tun-gray-100); border: 1px solid var(--tun-gray-200); border-radius: 100px; font-size: 15px; font-weight: 600; color: var(--tun-gray-800); text-decoration: none; transition: all 0.2s ease; }\n .uni-pill:hover { border-color: var(--tun-blue); color: var(--tun-blue); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.04); }\n\n \/* AI SPOTLIGHT *\/\n .ai-spotlight { background: linear-gradient(165deg, #0D0D0D 0%, #0D1B33 100%); color: white; position: relative; overflow: hidden; }\n .ai-spotlight::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(ellipse at 30% 50%, rgba(27,77,255,0.15) 0%, transparent 50%), radial-gradient(ellipse at 70% 20%, rgba(29,185,84,0.08) 0%, transparent 40%); pointer-events: none; }\n .ai-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; position: relative; }\n .ai-spotlight .section-label { color: var(--tun-gold); }\n .ai-spotlight .section-title { color: white; }\n .ai-text p { font-size: 16px; color: rgba(255,255,255,0.65); line-height: 1.7; margin-bottom: 16px; }\n .ai-features-mini { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }\n .ai-feat-pill { padding: 6px 16px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: 100px; font-size: 13px; color: rgba(255,255,255,0.7); font-weight: 500; }\n .btn-gold { display: inline-flex; align-items: center; gap: 10px; padding: 14px 28px; background: var(--tun-gold); color: var(--tun-black); text-decoration: none; font-weight: 600; font-size: 15px; border-radius: 12px; transition: all 0.25s ease; }\n .btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,166,35,0.3); }\n .ai-demo-card { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); border-radius: 20px; padding: 32px; position: relative; }\n .ai-demo-glow { position: absolute; top: -40px; right: -40px; width: 160px; height: 160px; background: radial-gradient(circle, rgba(29,185,84,0.15), transparent 70%); border-radius: 50%; pointer-events: none; }\n .ai-demo-header { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,0.06); position: relative; }\n .ai-demo-avatar { width: 38px; height: 38px; border-radius: 12px; background: linear-gradient(135deg, var(--tun-blue), #6B8AFF); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; }\n .ai-demo-name { font-weight: 600; font-size: 15px; }\n .ai-demo-tag { font-size: 12px; color: var(--tun-gold); font-weight: 500; }\n .ai-msg-q { background: rgba(255,255,255,0.05); border-radius: 12px; padding: 14px 18px; font-size: 14px; color: rgba(255,255,255,0.8); margin-bottom: 18px; border-left: 3px solid var(--tun-green); position: relative; }\n .ai-msg-a { font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.7; position: relative; }\n .ai-msg-a .hl { color: white; font-weight: 600; }\n .ai-msg-a .gold { color: var(--tun-gold); font-weight: 600; }\n\n \/* POWER COURSES *\/\n .power { background: var(--tun-white); }\n .power-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 36px; }\n .power-header .view-all { font-size: 15px; font-weight: 600; color: var(--tun-blue); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; transition: gap 0.2s ease; }\n .power-header .view-all:hover { gap: 10px; }\n .power-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; background: var(--tun-green-light); border: 1px solid rgba(29,185,84,0.2); border-radius: 100px; font-size: 11px; font-weight: 700; color: var(--tun-green); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }\n .power-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }\n .power-card { background: var(--tun-gray-100); border-radius: 16px; padding: 28px; border: 1px solid var(--tun-gray-200); transition: all 0.3s ease; text-decoration: none; color: inherit; display: block; }\n .power-card:hover { border-color: var(--tun-green); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.06); }\n .power-card-icon { font-size: 28px; margin-bottom: 12px; }\n .power-card h3 { font-family: var(--font-display); font-size: 17px; font-weight: 700; color: var(--tun-black); margin-bottom: 6px; line-height: 1.3; }\n .power-card p { font-size: 13px; color: var(--tun-gray-600); line-height: 1.55; margin-bottom: 10px; }\n .power-card .card-link { font-size: 13px; font-weight: 600; color: var(--tun-green); }\n .power-desc { margin-top: 24px; padding: 20px 24px; background: var(--tun-green-light); border-radius: 12px; border-left: 4px solid var(--tun-green); font-size: 14px; color: var(--tun-gray-800); line-height: 1.6; }\n .power-desc strong { color: var(--tun-black); }\n\n \/* BROWSE BY SUBJECT *\/\n .subjects { background: var(--tun-gray-100); }\n .subjects-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 48px; }\n .subject-card { background: white; border-radius: 14px; padding: 24px; border: 1px solid var(--tun-gray-200); text-align: center; transition: all 0.3s ease; text-decoration: none; color: inherit; display: block; }\n .subject-card:hover { border-color: var(--tun-blue); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.06); }\n .subject-icon { font-size: 28px; margin-bottom: 10px; }\n .subject-card h4 { font-family: var(--font-display); font-size: 15px; font-weight: 700; color: var(--tun-black); margin-bottom: 2px; }\n .subject-card p { font-size: 12px; color: var(--tun-gray-400); }\n\n \/* FEATURED COURSES *\/\n .featured { background: var(--tun-white); }\n .featured-scroll { display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; padding-bottom: 16px; margin-top: 36px; scrollbar-width: thin; scrollbar-color: var(--tun-gray-200) transparent; }\n .featured-scroll::-webkit-scrollbar { height: 6px; }\n .featured-scroll::-webkit-scrollbar-thumb { background: var(--tun-gray-200); border-radius: 3px; }\n .course-card { min-width: 300px; max-width: 300px; flex-shrink: 0; scroll-snap-align: start; border-radius: 16px; overflow: hidden; border: 1px solid var(--tun-gray-200); background: white; transition: all 0.3s ease; text-decoration: none; color: inherit; display: block; }\n .course-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.08); border-color: var(--tun-blue); }\n .course-card-image { height: 120px; display: flex; align-items: center; justify-content: center; font-size: 36px; }\n .cci-1 { background: linear-gradient(135deg, #1B4DFF, #6B8AFF); }\n .cci-2 { background: linear-gradient(135deg, #F5A623, #FFD580); }\n .cci-3 { background: linear-gradient(135deg, #1DB954, #5CE08A); }\n .cci-4 { background: linear-gradient(135deg, #7C3AED, #A78BFA); }\n .cci-5 { background: linear-gradient(135deg, #EF4444, #FCA5A5); }\n .cci-6 { background: linear-gradient(135deg, #0E7490, #22D3EE); }\n .course-card-body { padding: 22px; }\n .course-card-uni { font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 1.5px; color: var(--tun-blue); margin-bottom: 4px; }\n .course-card-body h3 { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--tun-black); margin-bottom: 6px; line-height: 1.3; }\n .course-card-body p { font-size: 13px; color: var(--tun-gray-600); line-height: 1.5; }\n .course-card-tag { display: inline-block; margin-top: 10px; font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 100px; background: var(--tun-green-light); color: var(--tun-green); border: 1px solid rgba(29,185,84,0.2); }\n\n \/* ALL INSTITUTIONS *\/\n .institutions { background: var(--tun-gray-100); }\n .inst-toggle { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; background: white; border: 1px solid var(--tun-gray-200); border-radius: 100px; font-size: 15px; font-weight: 600; color: var(--tun-blue); cursor: pointer; transition: all 0.2s ease; font-family: var(--font-body); margin-top: 32px; }\n .inst-toggle:hover { border-color: var(--tun-blue); background: var(--tun-blue-light); }\n .inst-toggle .arrow { transition: transform 0.3s ease; font-size: 14px; }\n .inst-toggle .arrow.open { transform: rotate(180deg); }\n .inst-list { display: none; margin-top: 24px; column-count: 4; column-gap: 24px; }\n .inst-list.open { display: block; }\n .inst-list a { display: block; padding: 6px 0; font-size: 14px; color: var(--tun-gray-600); text-decoration: none; transition: color 0.2s ease; break-inside: avoid; }\n .inst-list a:hover { color: var(--tun-blue); }\n\n \/* FOR PROVIDERS *\/\n .for-providers { background: var(--tun-black); color: white; padding: 64px 32px; position: relative; overflow: hidden; }\n .for-providers::before { content: ''; position: absolute; top: -60px; right: -60px; width: 200px; height: 200px; border-radius: 50%; background: rgba(29,185,84,0.08); pointer-events: none; }\n .for-providers-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 40px; position: relative; }\n .for-providers-text h3 { font-family: var(--font-display); font-size: 24px; font-weight: 700; margin-bottom: 8px; }\n .for-providers-text p { font-size: 15px; color: rgba(255,255,255,0.6); max-width: 500px; }\n .for-providers-cta { display: flex; gap: 12px; flex-shrink: 0; }\n .btn-outline-light { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; background: transparent; color: white; text-decoration: none; font-weight: 600; font-size: 14px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.25); transition: all 0.2s ease; }\n .btn-outline-light:hover { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.4); }\n\n \/* FOOTER *\/\n .footer { background: var(--tun-black); color: rgba(255,255,255,0.5); padding: 48px 32px; text-align: center; font-size: 14px; border-top: 1px solid rgba(255,255,255,0.06); }\n .footer a { color: rgba(255,255,255,0.7); text-decoration: none; }\n .footer a:hover { color: white; }\n .footer-links { display: flex; justify-content: center; gap: 32px; margin-bottom: 16px; }\n .footer-address { margin-top: 10px; font-size: 13px; color: rgba(255,255,255,0.3); }\n\n @keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }\n @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }\n .fade-in { opacity: 0; transform: translateY(24px); transition: all 0.6s cubic-bezier(0.22, 1, 0.36, 1); }\n .fade-in.visible { opacity: 1; transform: translateY(0); }\n\n @media (max-width: 1024px) {\n .ai-grid { grid-template-columns: 1fr; gap: 48px; }\n .power-grid { grid-template-columns: repeat(2, 1fr); }\n .subjects-grid { grid-template-columns: repeat(2, 1fr); }\n .for-providers-inner { flex-direction: column; text-align: center; }\n .inst-list { column-count: 2; }\n }\n @media (max-width: 640px) {\n .hero { padding: 120px 20px 60px; } .section { padding: 72px 20px; }\n .site-header-nav { display: none; }\n .power-grid { grid-template-columns: 1fr; }\n .subjects-grid { grid-template-columns: repeat(2, 1fr); }\n .hero-actions { flex-direction: column; }\n .btn-ai, .btn-secondary { width: 100%; justify-content: center; }\n .footer-links { flex-direction: column; gap: 10px; }\n .for-providers-cta { flex-direction: column; width: 100%; }\n .for-providers-cta a { width: 100%; justify-content: center; }\n .inst-list { column-count: 1; }\n .course-card { min-width: 270px; max-width: 270px; }\n }\n<\/style>\n<\/head>\n<body>\n\n<div class=\"site-header\" id=\"siteHeader\">\n\n<\/div>\n\n\n<section class=\"hero\">\n <div class=\"hero-inner\">\n <div class=\"hero-badge\"><span class=\"dot\"><\/span> 6,000+ courses from 200+ institutions<\/div>\n <h1>Learn anything,<br><em>for free<\/em><\/h1>\n <p class=\"hero-sub\">Explore thousands of free online courses from the world’s top universities and organizations. 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I have no coding experience. Where should I start?<\/div>\n <div class=\"ai-msg-a\">\n Great question! Your psychology background gives you a strong foundation in research methods and statistics. Here’s a learning path I’d recommend:\n <br><br>\n <span class=\"hl\">Step 1:<\/span> <span class=\"gold\">Python for Everybody<\/span> (Michigan) — the best intro to coding for non-CS students. Free to audit.\n <br><br>\n <span class=\"hl\">Step 2:<\/span> <span class=\"gold\">Statistics with R<\/span> (Duke) — bridges your stats knowledge into a data science toolkit.\n <br><br>\n <span class=\"hl\">Step 3:<\/span> <span class=\"gold\">IBM Data Science Professional Certificate<\/span> — structured program that builds on Steps 1 & 2.\n <br><br>\n Want me to add these to your learning dashboard so I can track your progress?\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"section power\">\n <div class=\"section-inner\">\n <div class=\"power-header\">\n <div>\n <div class=\"power-badge\">⚡ TUN Original<\/div>\n <div class=\"section-label\">POWER Micro-Courses<\/div>\n <h2 class=\"section-title\">Get smart in one week<\/h2>\n <\/div>\n <a href=\"https:\/\/www.tun.com\/courses\/power-micro-courses\/\" class=\"view-all\">View all POWER courses →<\/a>\n <\/div>\n <div class=\"power-grid\">\n <a href=\"https:\/\/www.tun.com\/courses\/free-money-how-to-win-scholarships-for-college\/power\/\" class=\"power-card fade-in\">\n <div class=\"power-card-icon\">🎓<\/div>\n <h3>How to Win Scholarships for College<\/h3>\n <p>Become a scholarship ninja. 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Created by TUN’s editorial team.<\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"section subjects\" id=\"subjects\">\n <div class=\"section-inner\">\n <div style=\"text-align:center; margin-bottom:8px;\">\n <div class=\"section-label\">Browse by Subject<\/div>\n <h2 class=\"section-title\">Explore what interests you<\/h2>\n <p class=\"section-subtitle\" style=\"margin:0 auto;\">From computer science to music theory, find courses that match your curiosity and career goals.<\/p>\n <\/div>\n <div class=\"subjects-grid\">\n <a href=\"https:\/\/www.tun.com\/courses\/category\/google\/\" class=\"subject-card fade-in\"><div class=\"subject-icon\">💻<\/div><h4>Computer Science<\/h4><p>Programming, AI, systems<\/p><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/wharton\/\" class=\"subject-card fade-in\"><div class=\"subject-icon\">📈<\/div><h4>Business & Finance<\/h4><p>Economics, management, accounting<\/p><\/a>\n <a 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class=\"subject-icon\">🌎<\/div><h4>Social Sciences<\/h4><p>Psychology, sociology, politics<\/p><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/university-of-pennsylvania\/\" class=\"subject-card fade-in\"><div class=\"subject-icon\">📚<\/div><h4>Humanities<\/h4><p>Philosophy, history, literature<\/p><\/a>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"section featured\">\n <div class=\"section-inner\">\n <div class=\"section-label\">Featured Courses<\/div>\n <h2 class=\"section-title\">Popular right now<\/h2>\n <div class=\"featured-scroll\">\n <a href=\"https:\/\/www.tun.com\/courses\/introduction-to-deep-learning-neural-networks-with-keras\/ibm\/\" class=\"course-card\"><div class=\"course-card-image cci-1\">🤖<\/div><div class=\"course-card-body\"><div class=\"course-card-uni\">IBM<\/div><h3>Deep Learning & Neural Networks with Keras<\/h3><p>Start a career in deep learning with this hands-on introduction.<\/p><div class=\"course-card-tag\">Free<\/div><\/div><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/solar-energy-basics\/the-state-university-of-new-york\/\" class=\"course-card\"><div class=\"course-card-image cci-3\">☀️<\/div><div class=\"course-card-body\"><div class=\"course-card-uni\">SUNY<\/div><h3>Solar Energy Basics<\/h3><p>Introduction to the fundamentals of solar power and photovoltaic systems.<\/p><div class=\"course-card-tag\">Free<\/div><\/div><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/sustainability-in-architecture-an-interdisciplinary-introduction\/upvalenciax\/\" class=\"course-card\"><div class=\"course-card-image cci-2\">🏙️<\/div><div class=\"course-card-body\"><div class=\"course-card-uni\">UPValenciaX<\/div><h3>Sustainability in Architecture<\/h3><p>Interdisciplinary approach to sustainable building design.<\/p><div class=\"course-card-tag\">Free<\/div><\/div><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/the-modern-and-the-postmodern-part-2\/wesleyan-university\/\" class=\"course-card\"><div class=\"course-card-image cci-4\">📖<\/div><div class=\"course-card-body\"><div class=\"course-card-uni\">Wesleyan<\/div><h3>The Modern and the Postmodern<\/h3><p>Explore how the idea of “the modern” developed in Western thought.<\/p><div class=\"course-card-tag\">Free<\/div><\/div><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/essentials-of-entrepreneurship-thinking-action\/university-of-california-irvine\/\" class=\"course-card\"><div class=\"course-card-image cci-5\">🚀<\/div><div class=\"course-card-body\"><div class=\"course-card-uni\">UC Irvine<\/div><h3>Essentials of Entrepreneurship<\/h3><p>Key entrepreneurial characteristics and skills for business success.<\/p><div class=\"course-card-tag\">Free<\/div><\/div><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/economic-growth-and-distributive-justice-part-i-the-role-of-the-state\/tel-aviv-university\/\" class=\"course-card\"><div class=\"course-card-image cci-6\">🌎<\/div><div class=\"course-card-body\"><div class=\"course-card-uni\">Tel Aviv University<\/div><h3>Economic Growth & Distributive Justice<\/h3><p>Big questions in economics and the role of the state.<\/p><div class=\"course-card-tag\">Free<\/div><\/div><\/a>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"section institutions\">\n <div class=\"section-inner\">\n <div class=\"section-label\">All Institutions<\/div>\n <h2 class=\"section-title\">Browse courses from 200+ universities & organizations<\/h2>\n <button class=\"inst-toggle\" onclick=\"toggleInst()\"><span id=\"instText\">Show all institutions<\/span> <span class=\"arrow\" id=\"instArrow\">↓<\/span><\/button>\n <div class=\"inst-list\" id=\"instList\">\n <a href=\"https:\/\/www.tun.com\/courses\/category\/amazon-web-services\/\">Amazon Web Services<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/arizona-state-university\/\">Arizona State University<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/berkeleyx\/\">BerkeleyX<\/a>\n <a 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{"id":19230,"date":"2019-12-24T19:29:05","date_gmt":"2019-12-24T19:29:05","guid":{"rendered":"https:\/\/www.tun.com\/courses\/?page_id=19230"},"modified":"2026-03-08T23:46:01","modified_gmt":"2026-03-08T23:46:01","slug":"front-page","status":"publish","type":"page","link":"https:\/\/www.tun.com\/courses\/","title":{"rendered":"Home"},"content":{"rendered":"\n\n\n\n\n\n6,000+ Free Online Courses \u2014 TUN<\/title>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,500;0,9..144,700;1,9..144,400&display=swap\" rel=\"stylesheet\">\n<style>\n :root {\n --tun-black: #0D0D0D; --tun-white: #FAFAF8; --tun-blue: #1B4DFF; --tun-blue-light: #E8EEFF;\n --tun-blue-dark: #0A2DB3; --tun-gold: #F5A623; --tun-gold-light: #FFF7E8; --tun-green: #1DB954;\n --tun-green-light: #E8FBF0; --tun-gray-100: #F4F4F2; --tun-gray-200: #E8E8E4;\n --tun-gray-400: #A8A8A0; 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gap: 10px; }\n .for-providers-cta { flex-direction: column; width: 100%; }\n .for-providers-cta a { width: 100%; justify-content: center; }\n .inst-list { column-count: 1; }\n .course-card { min-width: 270px; max-width: 270px; }\n }\n<\/style>\n<\/head>\n<body>\n\n<div class=\"site-header\" id=\"siteHeader\">\n\n<\/div>\n\n\n<section class=\"hero\">\n <div class=\"hero-inner\">\n <div class=\"hero-badge\"><span class=\"dot\"><\/span> 6,000+ courses from 200+ institutions<\/div>\n <h1>Learn anything,<br><em>for free<\/em><\/h1>\n <p class=\"hero-sub\">Explore thousands of free online courses from the world’s top universities and organizations. Audit for free or earn credentials for a fraction of traditional costs.<\/p>\n \n <div class=\"search-wrapper\" style=\"animation: fadeUp 0.6s 0.3s ease both;\">\n <div class=\"search-box\">\n <span class=\"search-icon\">🔍<\/span>\n <input type=\"text\" id=\"courseSearch\" placeholder=\"Search 6,000+ courses \u2014 try "machine learning" or "Stanford"\" autocomplete=\"off\">\n <span class=\"search-shortcut\" id=\"searchClear\" style=\"display:none; cursor:pointer;\" onclick=\"clearSearch()\">✕<\/span>\n <\/div>\n <div class=\"search-results\" id=\"searchResults\"><\/div>\n <\/div>\n\n <div class=\"hero-divider\" style=\"display:flex; align-items:center; gap:16px; justify-content:center; margin-bottom:20px; animation: fadeUp 0.6s 0.35s ease both; position:relative; z-index:1;\">\n <span style=\"height:1px; width:60px; background:var(--tun-gray-200);\"><\/span>\n <span style=\"font-size:13px; color:var(--tun-gray-400); font-weight:500;\">or<\/span>\n <span style=\"height:1px; width:60px; background:var(--tun-gray-200);\"><\/span>\n <\/div>\n\n <div class=\"hero-actions\" style=\"animation: fadeUp 0.6s 0.4s ease both; position:relative; z-index:1;\">\n <a href=\"https:\/\/www.tun.com\/ai\/\" class=\"btn-ai\">🤖 Ask TUN AI What to Learn<\/a>\n <a href=\"#subjects\" class=\"btn-secondary\">📚 Browse by Subject<\/a>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"universities\">\n <div class=\"uni-inner\">\n <div class=\"uni-label\">Courses from the world’s leading institutions<\/div>\n <div class=\"uni-grid\">\n <a href=\"https:\/\/www.tun.com\/courses\/category\/yale-university\/\" class=\"uni-pill\">Yale<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/harvardx\/\" class=\"uni-pill\">Harvard<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/stanford-university\/\" class=\"uni-pill\">Stanford<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/mitx\/\" class=\"uni-pill\">MIT<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/university-of-pennsylvania\/\" class=\"uni-pill\">UPenn<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/princeton-university\/\" class=\"uni-pill\">Princeton<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/the-university-of-chicago\/\" class=\"uni-pill\">UChicago<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/university-of-michigan\/\" class=\"uni-pill\">Michigan<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/columbia-university\/\" class=\"uni-pill\">Columbia<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/johns-hopkins-university\/\" class=\"uni-pill\">Hopkins<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/duke-university\/\" class=\"uni-pill\">Duke<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/ricex\/\" class=\"uni-pill\">Rice<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/google\/\" class=\"uni-pill\">Google<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/ibm\/\" class=\"uni-pill\">IBM<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/microsoft\/\" class=\"uni-pill\">Microsoft<\/a>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"section ai-spotlight\">\n <div class=\"section-inner\">\n <div class=\"ai-grid\">\n <div class=\"ai-text\">\n <div class=\"section-label\">TUN AI for Learning<\/div>\n <h2 class=\"section-title\" style=\"color:white;\">Not sure what to learn?<br>AI will guide you.<\/h2>\n <p>With 6,000+ courses available, finding the right one can be overwhelming. TUN AI understands your major, career goals, and interests — then recommends a learning path that actually makes sense for where you’re headed.<\/p>\n <p>Whether you’re exploring a new field, building skills for an internship, or supplementing your degree, TUN AI cuts through the noise and points you to what matters.<\/p>\n <div class=\"ai-features-mini\">\n <span class=\"ai-feat-pill\">💻 Computer Science<\/span>\n <span class=\"ai-feat-pill\">📈 Data Science<\/span>\n <span class=\"ai-feat-pill\">🎨 Design<\/span>\n <span class=\"ai-feat-pill\">💰 Business<\/span>\n <span class=\"ai-feat-pill\">🩹 Health<\/span>\n <span class=\"ai-feat-pill\">⚡ Engineering<\/span>\n <\/div>\n <a href=\"https:\/\/www.tun.com\/ai\/\" class=\"btn-gold\">Ask TUN AI What to Learn →<\/a>\n <\/div>\n <div class=\"ai-demo-card fade-in\">\n <div class=\"ai-demo-glow\"><\/div>\n <div class=\"ai-demo-header\">\n <div class=\"ai-demo-avatar\">AI<\/div>\n <div><div class=\"ai-demo-name\">TUN AI<\/div><div class=\"ai-demo-tag\">Learning Guide<\/div><\/div>\n <\/div>\n <div class=\"ai-msg-q\">I’m a psychology major but I want to get into data science. I have no coding experience. Where should I start?<\/div>\n <div class=\"ai-msg-a\">\n Great question! Your psychology background gives you a strong foundation in research methods and statistics. Here’s a learning path I’d recommend:\n <br><br>\n <span class=\"hl\">Step 1:<\/span> <span class=\"gold\">Python for Everybody<\/span> (Michigan) — the best intro to coding for non-CS students. Free to audit.\n <br><br>\n <span class=\"hl\">Step 2:<\/span> <span class=\"gold\">Statistics with R<\/span> (Duke) — bridges your stats knowledge into a data science toolkit.\n <br><br>\n <span class=\"hl\">Step 3:<\/span> <span class=\"gold\">IBM Data Science Professional Certificate<\/span> — structured program that builds on Steps 1 & 2.\n <br><br>\n Want me to add these to your learning dashboard so I can track your progress?\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"section power\">\n <div class=\"section-inner\">\n <div class=\"power-header\">\n <div>\n <div class=\"power-badge\">⚡ TUN Original<\/div>\n <div class=\"section-label\">POWER Micro-Courses<\/div>\n <h2 class=\"section-title\">Get smart in one week<\/h2>\n <\/div>\n <a href=\"https:\/\/www.tun.com\/courses\/power-micro-courses\/\" class=\"view-all\">View all POWER courses →<\/a>\n <\/div>\n <div class=\"power-grid\">\n <a href=\"https:\/\/www.tun.com\/courses\/free-money-how-to-win-scholarships-for-college\/power\/\" class=\"power-card fade-in\">\n <div class=\"power-card-icon\">🎓<\/div>\n <h3>How to Win Scholarships for College<\/h3>\n <p>Become a scholarship ninja. Five days of strategies to find and win free money for school.<\/p>\n <div class=\"card-link\">Start free course →<\/div>\n <\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/the-free-ivy-tour\/power\/\" class=\"power-card fade-in\">\n <div class=\"power-card-icon\">🏫<\/div>\n <h3>The Free Ivy Tour<\/h3>\n <p>Highlights of great courses you can audit online for free from Ivy League universities.<\/p>\n <div class=\"card-link\">Start free course →<\/div>\n <\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/the-freshman-guide-to-college-success\/power\/\" class=\"power-card fade-in\">\n <div class=\"power-card-icon\">🚀<\/div>\n <h3>Freshman Guide to College Success<\/h3>\n <p>Five-part series preparing students for a successful college career from day one.<\/p>\n <div class=\"card-link\">Start free course →<\/div>\n <\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/the-secrets-to-college-admissions\/power\/\" class=\"power-card fade-in\">\n <div class=\"power-card-icon\">🔑<\/div>\n <h3>Secrets to College Admissions<\/h3>\n <p>Seven-day overview of the entire college admission process, from essays to interviews.<\/p>\n <div class=\"card-link\">Start free course →<\/div>\n <\/a>\n <\/div>\n <div class=\"power-desc\"><strong>POWER<\/strong> (Personalized One-Week Empowerment Resources) — Free micro-courses delivered to your inbox daily for one week. Get a strong overview of a topic with concise interviews and articles from leading experts. Created by TUN’s editorial team.<\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"section subjects\" id=\"subjects\">\n <div class=\"section-inner\">\n <div style=\"text-align:center; margin-bottom:8px;\">\n <div class=\"section-label\">Browse by Subject<\/div>\n <h2 class=\"section-title\">Explore what interests you<\/h2>\n <p class=\"section-subtitle\" style=\"margin:0 auto;\">From computer science to music theory, find courses that match your curiosity and career goals.<\/p>\n <\/div>\n <div class=\"subjects-grid\">\n <a href=\"https:\/\/www.tun.com\/courses\/category\/google\/\" class=\"subject-card fade-in\"><div class=\"subject-icon\">💻<\/div><h4>Computer Science<\/h4><p>Programming, AI, systems<\/p><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/wharton\/\" class=\"subject-card fade-in\"><div class=\"subject-icon\">📈<\/div><h4>Business & Finance<\/h4><p>Economics, management, accounting<\/p><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/deeplearning-ai\/\" class=\"subject-card fade-in\"><div class=\"subject-icon\">🤖<\/div><h4>Data Science & AI<\/h4><p>Machine learning, analytics, NLP<\/p><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/johns-hopkins-university\/\" class=\"subject-card fade-in\"><div class=\"subject-icon\">🩹<\/div><h4>Health & Medicine<\/h4><p>Public health, nutrition, biotech<\/p><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/georgia-institute-of-technology\/\" class=\"subject-card fade-in\"><div class=\"subject-icon\">⚡<\/div><h4>Engineering<\/h4><p>Electrical, mechanical, civil<\/p><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/california-institute-of-the-arts\/\" class=\"subject-card fade-in\"><div class=\"subject-icon\">🎨<\/div><h4>Arts & Design<\/h4><p>Music, visual arts, UX design<\/p><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/sciences-po\/\" class=\"subject-card fade-in\"><div class=\"subject-icon\">🌎<\/div><h4>Social Sciences<\/h4><p>Psychology, sociology, politics<\/p><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/university-of-pennsylvania\/\" class=\"subject-card fade-in\"><div class=\"subject-icon\">📚<\/div><h4>Humanities<\/h4><p>Philosophy, history, literature<\/p><\/a>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"section featured\">\n <div class=\"section-inner\">\n <div class=\"section-label\">Featured Courses<\/div>\n <h2 class=\"section-title\">Popular right now<\/h2>\n <div class=\"featured-scroll\">\n <a href=\"https:\/\/www.tun.com\/courses\/introduction-to-deep-learning-neural-networks-with-keras\/ibm\/\" class=\"course-card\"><div class=\"course-card-image cci-1\">🤖<\/div><div class=\"course-card-body\"><div class=\"course-card-uni\">IBM<\/div><h3>Deep Learning & Neural Networks with Keras<\/h3><p>Start a career in deep learning with this hands-on introduction.<\/p><div class=\"course-card-tag\">Free<\/div><\/div><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/solar-energy-basics\/the-state-university-of-new-york\/\" class=\"course-card\"><div class=\"course-card-image cci-3\">☀️<\/div><div class=\"course-card-body\"><div class=\"course-card-uni\">SUNY<\/div><h3>Solar Energy Basics<\/h3><p>Introduction to the fundamentals of solar power and photovoltaic systems.<\/p><div class=\"course-card-tag\">Free<\/div><\/div><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/sustainability-in-architecture-an-interdisciplinary-introduction\/upvalenciax\/\" class=\"course-card\"><div class=\"course-card-image cci-2\">🏙️<\/div><div class=\"course-card-body\"><div class=\"course-card-uni\">UPValenciaX<\/div><h3>Sustainability in Architecture<\/h3><p>Interdisciplinary approach to sustainable building design.<\/p><div class=\"course-card-tag\">Free<\/div><\/div><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/the-modern-and-the-postmodern-part-2\/wesleyan-university\/\" class=\"course-card\"><div class=\"course-card-image cci-4\">📖<\/div><div class=\"course-card-body\"><div class=\"course-card-uni\">Wesleyan<\/div><h3>The Modern and the Postmodern<\/h3><p>Explore how the idea of “the modern” developed in Western thought.<\/p><div class=\"course-card-tag\">Free<\/div><\/div><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/essentials-of-entrepreneurship-thinking-action\/university-of-california-irvine\/\" class=\"course-card\"><div class=\"course-card-image cci-5\">🚀<\/div><div class=\"course-card-body\"><div class=\"course-card-uni\">UC Irvine<\/div><h3>Essentials of Entrepreneurship<\/h3><p>Key entrepreneurial characteristics and skills for business success.<\/p><div class=\"course-card-tag\">Free<\/div><\/div><\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/economic-growth-and-distributive-justice-part-i-the-role-of-the-state\/tel-aviv-university\/\" class=\"course-card\"><div class=\"course-card-image cci-6\">🌎<\/div><div class=\"course-card-body\"><div class=\"course-card-uni\">Tel Aviv University<\/div><h3>Economic Growth & Distributive Justice<\/h3><p>Big questions in economics and the role of the state.<\/p><div class=\"course-card-tag\">Free<\/div><\/div><\/a>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"section institutions\">\n <div class=\"section-inner\">\n <div class=\"section-label\">All Institutions<\/div>\n <h2 class=\"section-title\">Browse courses from 200+ universities & organizations<\/h2>\n <button class=\"inst-toggle\" onclick=\"toggleInst()\"><span id=\"instText\">Show all institutions<\/span> <span class=\"arrow\" id=\"instArrow\">↓<\/span><\/button>\n <div class=\"inst-list\" id=\"instList\">\n <a href=\"https:\/\/www.tun.com\/courses\/category\/amazon-web-services\/\">Amazon Web Services<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/arizona-state-university\/\">Arizona State University<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/berkeleyx\/\">BerkeleyX<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/berklee-college-of-music\/\">Berklee College of Music<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/california-institute-of-the-arts\/\">California Institute of the Arts<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/caltech\/\">Caltech<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/carnegie-mellon-university\/\">Carnegie Mellon University<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/columbia-university\/\">Columbia University<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/cornell\/\">CornellX<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/deeplearning-ai\/\">deeplearning.ai<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/duke-university\/\">Duke University<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/emory-university\/\">Emory University<\/a>\n <a href=\"https:\/\/www.tun.com\/courses\/category\/georgia-institute-of-technology\/\">Georgia 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