1. 1. [rsapkf/42]
    1. 1.1. Programming
    2. 1.2. Web development
    3. 1.3. Massive open online courses
    4. 1.4. Knowledge repositories
    5. 1.5. Open source software
      1. 1.5.1. Organizations
      2. 1.5.2. People
    6. 1.6. Linux configuration
    7. 1.7. Privacy tools
    8. 1.8. Software and services
    9. 1.9. Science, technology, and mathematics
    10. 1.10. Psychology, philosophy, literature, and art
    11. 1.11. Cubing, puzzles, and magic
    12. 1.12. Reddit subscriptions
    13. 1.13. YouTube subscriptions
    14. 1.14. Twitch subscriptions
    15. 1.15. Books
    16. 1.16. Comics
    17. 1.17. Podcasts
    18. 1.18. Free-to-read books and guides
    19. 1.19. Ebooks and research papers
    20. 1.20. Random useful sites
    21. 1.21. High school
    22. 1.22. Lists and articles
    23. 1.23. Miscellaneous

[rsapkf/42]

Cubing, puzzles, and magic

Rubik's Cube

  • JPerm.net - By Dylan Wang.
  • CubeSkills - By Feliks Zemdegs. Tutorials, Algorithms, PDFs and tools to learn speedcubing: Rubik's cubes, Megaminx, Pyraminx, etc.
  • AlgDb.net - Rubik's Cube Algorithms Database.
  • Speed Cube Database
  • Speedsolving Wiki
  • Ruwix
  • Andy Klise - Illustrations and Algorithms.
  • cubing.net
  • Badmephisto's Cubing Site
  • π”Ήπ”Όπ•Šπ•‹ π•€π•šπ•₯𝕖 𝔼𝕍𝔼ℝ
  • CubeRoot
  • Cubefreak
  • cut-the-knot.org - Interactive Mathematics Miscellany and Puzzles.
  • Timers
    • csTimer (GitHub)
    • qqTimer
    • Twisty Timer (GitHub) (Android)
    • timer.cubing.net
  • People
    • Stefan Pochmann
    • Lucas Garron
    • Jessica Fridrich
    • Herbert Kociemba's Homepage
    • Lars Petrus Portal
    • Bob Burton's Cubewhiz.com
  • Fun
    • You know you've been cubing too long when ...
    • Frank Morris Facts

Chess

  • Chess.com
  • chess24.com
  • Kasparovchess

Misc

  • KenKen Puzzle
  • BoardGameGeek - Gaming Unplugged Since 2000.