Flox - Manage and share development environments with all the frameworks and libraries you need, then publish artifacts anywhere. Harness the power of Nix.
SmallDevTools - Handy developer tools with a delightful interface
devenv - Fast, Declarative, Reproducible, and Composable dev envs
Google Open Source - All of Googles open source projects under a single umbrella
whatdevsneed - This is whatdevsneed.
GitHub Student Developer Pack - The best developer tools, free for students.