SWE & Dev
Learning
- https://inventwithpython.com/ - a series of books that teach Python, free
- https://www.nand2tetris.org/ - learn to make a computer system
- https://roadmap.sh/ - a roadmap for learning software
Tools
- https://gist.github.com/ - pastebin-style GitHub
- https://www.svgrepo.com/ - royalty-free SVGs
Challenges
- https://projecteuler.net/ - problem sets
- https://exercism.org/ - coding challenges and drills