Cloud-native search engine for observability. An open-source alternative to Datadog, Elasticsearch, Loki, and Tempo.

The day-to-day front-end to the IETF database for people who work on IETF standards.

.NET API reference documentation (.NET 5+, .NET Core, .NET Framework)

A curated list of awesome Go frameworks, libraries and software

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Algorithms and Data Structures implemented in JavaScript for beginners, following best practices.

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LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解，记录自己的leetcode解题之路。)

All Algorithms implemented in Java

Everything you need to know to get the job.

List of Computer Science courses with video lectures.

《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 代码。简体版和繁体版同步更新，English version in translation

💯 Curated coding interview preparation materials for busy software engineers

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「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！

📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings

A complete computer science study plan to become a software engineer.

Godot Engine – Multi-platform 2D and 3D game engine

Home of the Renovate CLI: Cross-platform Dependency Automation by Mend.io

Composable building blocks to build Llama Apps

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

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⚡ Universal Workflow Orchestration Platform — Code in any language, run anywhere. 800+ plugins for data, infrastructure, and AI automation.

Automatable GenAI Scripting

A modern, open-source, self-hosted knowledge management and note-taking platform designed for privacy-conscious users and organizations.

🎓 Path to a free self-taught education in Computer Science!