Master programming by recreating your favorite technologies from scratch.
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Updated
Dec 26, 2025 - Markdown
Master programming by recreating your favorite technologies from scratch.
A collective list of free APIs
DigitalPlat FreeDomain: Free Domain For Everyone
📚 免费的计算机编程类中文书籍,欢迎投稿
A curated list of free courses with certifications. Also available at https://free-certifications.com/
The Secure CommsOS™ for mission-critical operations
🐧 A list of awesome Linux softwares
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
插件化、定制化、无广告的免费音乐播放器
📚 The definitive guide to TypeScript and possibly the best TypeScript book 📖. Free and Open Source 🌹
🆓免费的 ChatGPT 镜像网站列表,持续更新。List of free ChatGPT mirror sites, continuously updated.
A collection of services with great free tiers for developers on a budget. Sponsored by Mockoon, the best mock API tool. https://mockoon.com
The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.
A free, open source, Bootstrap admin theme created by Start Bootstrap
Kavita is a fast, feature rich, cross platform reading server. Built with the goal of being a full solution for all your reading needs. Setup your own server and share your reading collection with your friends and family.
Grab your own sweet-looking '.is-a.dev' subdomain.
Pterodactyl® is a free, open-source game server management panel built with PHP, React, and Go. Designed with security in mind, Pterodactyl runs all game servers in isolated Docker containers while exposing a beautiful and intuitive UI to end users.
Drag and drop page builder library written in vanilla javascript without dependencies or build tools.
Test Management software for DevOps, including CI Results Dashboard, Manual Test Case Management, and Exploratory testing
Continuous Localization for GitHub projects
The Code Health platform - Everything you need to build maintainable and secure software
Always ready to code - Spin up fresh cloud development environments for each task, fully automated, in seconds
Automatically detect, track, and rank flaky tests so you can regain trust in your test suite
Automatically label GitHub Issues with machine learning
AI Coding Assistant for JetBrains
Automated GitHub backups so you can recover fast, stay compliant, and never lose a line of code
Find accessibility issues in your pull requests
Frictionless error monitoring and performance insights for your entire app stack
Collaborate as a team from requirement to release in one platform. Syncs to Github issues & your entire workflow in real-time
GitHub for Atlassian unifies data, automates workflows, and syncs development across GitHub, Jira, and your Atlassian apps
Automatic test report merging for all CI and languages into a single code coverage report directly into your pull request
Continuously build, test, and deploy to any platform and cloud
PR & DORA metrics, amazing alerts, daily activity summaries
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