Editor's picks in Learning & Knowledge
General knowledge3 websites
- Aeon, Editor's pickLong-form essays on philosophy, science, psychology, society, and culture.
- Hacker News, Editor's pickA technology and startup news community with reader discussions, project showcases and Show HN submissions.
- Psyche, Editor's pickA free digital magazine of essays, guides and videos on psychology, emotions, mental health, relationships and living well, published by Aeon.
Courses & tutorials10 websites
- Khan Academy, Editor's pickFree lessons and exercises in mathematics, science, computing, economics, and more.
- MIT OpenCourseWare, Editor's pickFree course materials from thousands of MIT courses.
- Class Central, Editor's pickSearch and compare online courses from universities and learning platforms.
- edX, Editor's pickOnline courses and programs from universities and organizations around the world.
- iFixit, Editor's pickRepair guides, teardowns, troubleshooting, and parts information for electronics and devices.
- Instructables, Editor's pickCommunity archive of DIY projects, builds, repairs, crafts, and how-to guides.
- LinkedIn Learning, Editor's pickProfessional skills courses; access may be available through participating libraries or institutions.
- Open Michigan, Editor's pickOpen educational resources and course materials from the University of Michigan.
- Open Yale Courses, Editor's pickFree recordings and materials from selected Yale courses.
- Stanford Online, Editor's pickStanford online courses and learning resources.
Coding & technology learning6 websites
- CS50 at Harvard, Editor's pickHarvard's introductory computer science course and related CS50 materials.
- 500+ AI Agent Projects & Use Cases, Editor's pickA curated collection of AI-agent project ideas, use cases, tutorials and example implementations, organized by industry and framework.
- AI Coding Dictionary, Editor's pickMatt Pocock's plain-English glossary of AI coding concepts, including models, context, agents, tools, environments, memory and workflows.
- Guru99, Editor's pickTechnology tutorials and learning guides.
- roadmap.sh, Editor's pickCommunity-created learning roadmaps for developers and technical roles.
- Technical Engineering Articles, Editor's pickA categorized index of technical articles on X covering system design, backend engineering, distributed systems, databases, DevOps, microservices and AI engineering.