OpenLearn (The Open University) — free online courses

OpenLearn from The Open University offers over a thousand free, short online courses and learning resources across arts, science, business and professional skills. Courses are open to anyone with no formal entry requirements, and materials can be accessed without charge by registering for a free account on the site; many include downloadable content and community discussion. Use OpenLearn to study at your own pace, earn free statements of participation on selected courses and explore subjects before committing to formal study.