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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Mar 26, 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
A curated list of free courses with certifications. Also available at https://free-certifications.com/
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Jul 22, 2025
The Secure CommsOS™ for mission-critical operations
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Apr 7, 2026 - TypeScript
🐧 A list of awesome Linux softwares
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Feb 16, 2026 - HTML
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
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Apr 7, 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
📚 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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Mar 27, 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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Apr 7, 2026 - C#
The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.
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Apr 6, 2026 - JavaScript
Grab your own sweet-looking '.is-a.dev' subdomain.
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Apr 7, 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
Drag and drop page builder library written in vanilla javascript without dependencies or build tools.
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Mar 31, 2026 - JavaScript
Free apps
Container Registry
Best-in-class CNCF Harbor based Container Image Management for individuals, teams and organizations
Cloud 66 for Rails
Build, deploy, and maintain your Rails apps on any cloud or server
Codeac.io
We help developers write clean code
PullRequest
Expert On-Demand Code Review as a Service
Cirrus CI
Enjoy unlimited concurrency for fast and secure development cycle
BuildPulse
Automatically detect, track, and rank flaky tests so you can regain trust in your test suite
Codacy
Codacy helps to build effortless code quality and security for developers
Semgrep
Code scanning at ludicrous speed. Find bugs and reachable dependency vulnerabilities. Enforce standards on every commit
Socket Security
Developer-first security platform that protects your code from both vulnerable and malicious dependencies
Sourcery
AI code reviews and security scanning
ChartDB
Database diagrams editor with AI that allows you to visualize and design your DB with a single query
Codefresh
A modern container-based CI/CD platform, easily assemble and run pipelines with high performance
devActivity App
AI-powered contributions analytics app featuring Performance Reviews, Retrospective Insights, Gamification, and much more
GuardRails
GuardRails provides continuous security feedback for modern development teams
Issue-Label Bot
Automatically label GitHub Issues with machine learning
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