Master programming by recreating your favorite technologies from scratch.
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Updated
Feb 21, 2026 - 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
The Secure CommsOS™ for mission-critical operations
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
🐧 A list of awesome Linux softwares
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
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.
The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.
Create polished screen recordings for free. An open-source alternative to Screen Studio.
Grab your own sweet-looking '.is-a.dev' subdomain.
A free, open source, Bootstrap admin theme created by Start Bootstrap
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.
CloudFlare free temp domain email 免费收发 临时域名邮箱 支持附件 IMAP SMTP TelegramBot
Open source website builder and Webflow alternative. Webstudio is an advanced visual builder that connects to any headless CMS, supports all CSS properties, and can be hosted anywhere, including with us.
A better way to manage modular Git projects
An Agile project management tool that seamlessly integrates with GitHub Issues
AI code reviews and security scanning
Enjoy unlimited concurrency for fast and secure development cycle
One-click delivery automation for Web Developers
Dependency Automation service by Mend.io
GitHub Actions on your Cloud - Run Self-Hosted Runners on AWS, GCP, Azure, DigitalOcean, Oracle or OpenStack
Automated code review for humans and AI
Create graphical dashboards for your README.md, and beautiful data visualization posters for your wall
PR & DORA metrics, amazing alerts, daily activity summaries
Slack Collaboration app for Pull Requests. Reduce pick-up time & organize daily standups around open PRs
Test Management software for DevOps, including CI Results Dashboard, Manual Test Case Management, and Exploratory testing
Continuously build, test, and deploy to any platform and cloud
Pull Assistant analyses pull requests and provides the optimal way to perform code reviews
ensure that all repositories have the same settings, e.g. visibility, squash delete, gpg branch protection, team permissions
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