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 26, 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 27, 2026 - TypeScript
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
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May 26, 2026 - Python
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
🐧 A list of awesome Linux softwares
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May 3, 2026 - HTML
📚 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
Create polished screen recordings without editing. Mac/Windows/Linux
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May 26, 2026 - TypeScript
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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May 12, 2026
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 26, 2026 - C#
Grab your own sweet-looking '.is-a.dev' subdomain.
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May 26, 2026 - JavaScript
The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.
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May 26, 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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May 21, 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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May 23, 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 26, 2026 - TypeScript
Free apps
pre-commit ci
a continuous integration service for the pre-commit framework
Cirrus CI
Enjoy unlimited concurrency for fast and secure development cycle
Depfu
Automated dependency updates done right
Azure Pipelines
Continuously build, test, and deploy to any platform and cloud
Codecov | Code Coverage
Automatic test report merging for all CI and languages into a single code coverage report directly into your pull request
Honeybadger.io
The web developer's secret weapon
Flaptastic
Manage flaky unit tests. Click a checkbox to instantly disable any test on all branches. Works with your current test suite
Vaunt.Dev
A Developer Relations Platform
Code Review Doctor
Catch more Python and Django bugs during code review
Atlassian
GitHub for Atlassian unifies data, automates workflows, and syncs development across GitHub, Jira, and your Atlassian apps
POEditor
Manage your software localization collaboratively
Codefresh
A modern container-based CI/CD platform, easily assemble and run pipelines with high performance
PR Scheduler
Lets developers schedule PRs to be merged at a specific date/time. Useful for scheduling posts on static blog frameworks
Pull Assistant
Pull Assistant analyses pull requests and provides the optimal way to perform code reviews
Codacy
Codacy helps to build effortless code quality and security for developers
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