Master programming by recreating your favorite technologies from scratch.
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Feb 21, 2026 - Markdown
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free
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A collective list of free APIs
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May 2, 2026 - Python
DigitalPlat FreeDomain: Free Domain For Everyone
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Apr 24, 2026 - HTML
📚 免费的计算机编程类中文书籍，欢迎投稿
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Jul 15, 2024
The Secure CommsOS™ for mission-critical operations
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May 2, 2026 - TypeScript
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
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May 1, 2026 - Python
🐧 A list of awesome Linux softwares
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Feb 16, 2026 - HTML
插件化、定制化、无广告的免费音乐播放器
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Jan 6, 2026 - TypeScript
📚 The definitive guide to TypeScript and possibly the best TypeScript book 📖. Free and Open Source 🌹
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Jun 29, 2024 - TypeScript
🆓免费的 ChatGPT 镜像网站列表，持续更新。List of free ChatGPT mirror sites, continuously updated.
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Jun 23, 2025 - Python
A collection of services with great free tiers for developers on a budget. Sponsored by Mockoon, the best mock API tool. https://mockoon.com
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Apr 10, 2026
Create polished screen recordings without editing. Mac/Windows/Linux
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May 2, 2026 - TypeScript
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.
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May 2, 2026 - C#
The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.
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Apr 22, 2026 - JavaScript
Grab your own sweet-looking '.is-a.dev' subdomain.
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May 1, 2026 - JavaScript
A free, open source, Bootstrap admin theme created by Start Bootstrap
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Jul 2, 2024 - HTML
CloudFlare free temp domain email 免费收发 临时域名邮箱 支持附件 IMAP SMTP TelegramBot
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Apr 30, 2026 - TypeScript
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.
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Apr 5, 2026 - PHP
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.
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May 2, 2026 - TypeScript
Free apps
BuildPulse
Automatically detect, track, and rank flaky tests so you can regain trust in your test suite
Depfu
Automated dependency updates done right
Honeybadger.io
The web developer's secret weapon
Cloudback: GitHub Backup & Restore
SOC 2 Type II encrypted GitHub backups: repos, issues, PRs, LFS and more. Self-service restore, BYO storage, per-repo pricing
Qlty Cloud
Code quality and coverage done right
Semgrep
Code scanning at ludicrous speed. Find bugs and reachable dependency vulnerabilities. Enforce standards on every commit
Pull Assistant
Pull Assistant analyses pull requests and provides the optimal way to perform code reviews
WIP
DO NOT MERGE – as a service
Container Registry
Best-in-class CNCF Harbor based Container Image Management for individuals, teams and organizations
Codecov | Code Coverage
Automatic test report merging for all CI and languages into a single code coverage report directly into your pull request
Rewind Backups for GitHub
Automated GitHub backups so you can recover fast, stay compliant, and never lose a line of code
Zenhub
Project management that's seamlessly integrated with GitHub’s data & interface, builds powerful insights & automates tasks
PR Scheduler
Lets developers schedule PRs to be merged at a specific date/time. Useful for scheduling posts on static blog frameworks
Socket Security
Developer-first security platform that protects your code from both vulnerable and malicious dependencies
webapp.io
Full-stack review environments and end-to-end tests embedded into every pull request
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