From Linux to Kubernetes: a curated, community-driven collection of free DevOps labs, challenges, and end-to-end projects—learn by doing and build real-world skills, not just read theory.

A list of back-end related questions you can be inspired from to interview potential candidates, test yourself or completely ignore

Projects for an undergraduate OS course

General purpose graph library

A free collection of curated, high-quality resources to take you from Bronze to Platinum and beyond.

Collection of worst-case graph generators for maximum flow algorithms.

C# console app to download DRM protected videos from Onlyfans accounts

Inducing enhanced suffix arrays for string collections [DCC'16, TCS 2017]

Collection of Suffix Array Construction Algorithms (SACAs)

A graph library using modern C++ features (e.g., C++20 ranges) to be as efficient and user-friendly as possible.

Easy-to-add enhancements for any C/C++ CMake project. Including AFL fuzzing, code-coverage, Thread/Address/Leak/Address/Undefined sanitizer instrumentation, compilation of GLSL shaders and more.

Templates, algorithms and data structures implemented and collected for programming contests.

Reference implementation of mdspan targeting C++23

A media packaging and development framework for VOD and Live DASH and HLS applications, supporting Common Encryption for Widevine and other DRM Systems.

Get up and running with Kimi-K2.6, GLM-5.2, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.

DLX - Self-hosted translation API server. Unofficial; not affiliated with DeepL SE.

[EMNLP 2025 Demo] PDF scientific paper translation with preserved formats - 基于 AI 完整保留排版的 PDF 文档全文双语翻译，支持 Google/DeepL/Ollama/OpenAI 等服务，提供 CLI/GUI/MCP/Docker/Zotero

🏳️‍🌈 Media downloader from any sites, including Twitter, Reddit, Instagram, BlueSky, TikTok, Threads, Facebook, OnlyFans, YouTube, Pinterest, PornHub, XHamster, XVIDEOS, ThisVid etc.

Extend your AtCoder

DOMjudge programming contest jury system

The modern C++ library for sequence analysis. Contains version 3 of the library and API docs.

The libsais library provides fast linear-time construction of suffix array (SA), generalized suffix array (GSA), longest common prefix (LCP) array, permuted LCP (PLCP) array, Burrows-Wheeler transf…

Succinct Data Structure Library 2.0

Unofficial unmaintained clone of LEMON Graph Library

Complete Project Documentation

Merge all your C/C++ files into a single one in a process known as amalgamation.

Book Code for Competitive Programming

Tools for various online judges. Downloading sample cases, generating additional test cases, testing your code, and submitting it.