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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Mar 18, 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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Apr 28, 2026 - TypeScript
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
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Apr 28, 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 for free. An open-source alternative to Screen Studio.
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Apr 28, 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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Apr 26, 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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Apr 27, 2026 - JavaScript
A free, open source, Bootstrap admin theme created by Start Bootstrap
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Jul 2, 2024 - HTML
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
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 26, 2026 - TypeScript
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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Apr 28, 2026 - TypeScript
Free apps
AppVeyor
Cloud service for building, testing and deploying Windows apps
Slack + GitHub
Connect your code without leaving Slack
Ranger
A sidekick for repository maintainers
Code Review Doctor
Catch more Python and Django bugs during code review
Tara AI
Collaborate as a team from requirement to release in one platform. Syncs to Github issues & your entire workflow in real-time
Pull Assistant
Pull Assistant analyses pull requests and provides the optimal way to perform code reviews
Repography
Create graphical dashboards for your README.md, and beautiful data visualization posters for your wall
Socket Security
Developer-first security platform that protects your code from both vulnerable and malicious dependencies
Cloud 66 for Rails
Build, deploy, and maintain your Rails apps on any cloud or server
Sentry
Real-time, cross-platform crash reporting and error logging
CodeFactor
Automated code review for humans and AI
Flaptastic
Manage flaky unit tests. Click a checkbox to instantly disable any test on all branches. Works with your current test suite
CodeScene
A software engineering intelligence tool tool to identify and prioritize technical debt and evaluate your efficiency
Mend Bolt
Detect open source vulnerabilities in real time with suggested fixes for quick remediation
Coveralls
Ensure that new code is fully covered, and see coverage trends emerge. Works with any CI service
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