pre-commit/pre-commit

DevOps Exercises is a GitHub repository collecting 2624 questions and exercises spanning Linux, networking, Kubernetes, Terraform, and cloud platforms, written as plain markdown Q&A with no app or course wrapped around it.

yt-dlp is a Python command-line downloader that pulls audio and video from thousands of sites and hands post-processing off to ffmpeg. It's a fork of youtube-dl built for people who want fast fixes when a site breaks, not a polished app.

GitHub gitignore templates is the collection maintained in the github/gitignore repository, licensed CC0-1.0. GitHub uses this exact list to fill the .gitignore chooser shown when you create a new repository or file, and it splits templates into a curated root set for common languages, a Global folder for editors and operating systems, and a community folder for narrower or version-specific cases.

30 seconds of code (Chalarangelo/30-seconds-of-code) is a GitHub repository that points to a collection of coding articles at 30secondsofcode.org, maintained by Angelos Chalaris. Each article pairs a code snippet with an explanation and an example, and the snippets themselves are licensed CC-BY-4.0; the project isn't taking new content submissions right now, per its README.