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 29, 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 29, 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 29, 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 29, 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 29, 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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Apr 29, 2026 - TypeScript
Free apps
Snyk
Find, fix (and prevent!) known vulnerabilities in your code
Pull Request Size
Apply size labels to Pull Requests based on the total lines of code changed
Container Registry
Best-in-class CNCF Harbor based Container Image Management for individuals, teams and organizations
Review Notebook App
Code Review & Collaboration for Jupyter Notebooks
GitClear
Review PRs up to 40% faster. Pinpoint highest tech debt directories. Most engineer-friendly Developer Analytic velocity stats
Socket Security
Developer-first security platform that protects your code from both vulnerable and malicious dependencies
Azure Boards
Connects Azure Boards with GitHub to plan, track, and discuss work across your teams
GitDailies
PR & DORA metrics, amazing alerts, daily activity summaries
TestQuality - Unified Test Management for GitHub
Test Plan Driven QA Test Management for GitHub
repo rules
ensure that all repositories have the same settings, e.g. visibility, squash delete, gpg branch protection, team permissions
Cirun.io
GitHub Actions on your Cloud - Run Self-Hosted Runners on AWS, GCP, Azure, DigitalOcean, Oracle or OpenStack
CodeScene
A software engineering intelligence tool tool to identify and prioritize technical debt and evaluate your efficiency
pre-commit ci
a continuous integration service for the pre-commit framework
CommitCheck
CommitCheck ensures your commit messages are consistent and contain all required information
pre-commit ci lite
an add-on to github actions which allows safely pushing changes back to pull requests
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