Every free education tier that clears our bar in 2026: 5 offers meet the criteria and 0 offers are demoted with a named reason. Verified pricing, recorded changes, and a published ranking method.
Fully free education platform. Math, science, computing, humanities, test prep (SAT, LSAT, MCAT). Video lessons, exercises, progress tracking. Personalized learning dashboard. Teacher tools. No ads. Nonprofit. Best for personal projects and students.
Fully free access to MIT course materials. 2,500+ courses. Lecture notes, problem sets, exams, video lectures. No registration required. No certificates or credits. Creative Commons licensed.
Free audit track for most courses. Video lectures, readings, discussion forums. No certificates, no graded assignments on audit. Courses from Harvard, MIT, Stanford, and 200+ universities. Some courses fully free.
Free language learning (40+ languages). Gamified lessons (5 lives system). Daily streak tracking. Leaderboards. Basic stories. No unlimited hearts, no offline lessons, no advanced progress quizzes on free. Ad-supported. Best for unlimited usage needs.
Free audit mode for most courses. Video lectures, readings, quizzes. No certificates, no graded assignments, no peer reviews on audit. Some courses have free certificates via financial aid. 7-day free trial for specializations. Note — discovered 2026-09-05: A free audit option is still mentioned, the page heavily promotes Coursera Plus, a paid subscription, and emphasizes 7-day free trials for it. The current page doesn't explicitly confirm these audit features are still universally available. Source ↗
Nothing on this page is demoted today — we hold no disqualifying record against any of these offers.
| Vendor | Free Tier | Key Limits | Stability | Verified |
|---|---|---|---|---|
| Khan Academy | Free | Fully free education platform. Math, science, computing, humanities, test prep (SAT, LSAT, MCAT). Video lessons, exercis... | stable | 2026-08-21 |
| MIT OpenCourseWare | Free | Fully free access to MIT course materials. 2,500+ courses. Lecture notes, problem sets, exams, video lectures. No regist... | — | 2026-08-21 |
| edX | Free (Audit) | Free audit track for most courses. Video lectures, readings, discussion forums. No certificates, no graded assignments o... | — | 2026-08-22 |
| Duolingo | Free | Free language learning (40+ languages). Gamified lessons (5 lives system). Daily streak tracking. Leaderboards. Basic st... | — | 2026-08-20 |
| Coursera | Free (Audit) | Free audit mode for most courses. Video lectures, readings, quizzes. No certificates, no graded assignments, no peer rev... | caution discovered 2026-09-05 restructured |
2026-08-22 |
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