If you like computer science, programming, development, or anything related to the computer field, if you are trying to learn this stuff or want to prepare for technical interviews whatever related to Computer Science Field, here are the best repositories you can use to get more and more knowledge, practice and guidance for all those stuff.
1. Coding Interview University
It contains that will prepare you well for a technical interview at just about any software company, including the giants: Amazon, Facebook, Google, and Microsoft. Github Repository: github.com/jwasham/coding-interview-university
Silicon Valley Show's Gilfoyle
2. Developer Roadmap
This repository contains the the best learning paths you should follow to master any technology of any field. GitHub Repo: github.com/kamranahmedse/developer-roadmap
Develop Roadmap website
3. Build Your Own X
Best Repository for projects. It's like a treasure for Projects. It can help you learn from projects. GitHub Repo: github.com/codecrafters-io/build-your-own-x
If I find any other interesting and helpful repositories, I will update the list or if you know any good repository, please comment I will add it to the list.