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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Mar 28, 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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Mar 27, 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
The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.
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Mar 14, 2026 - JavaScript
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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Mar 29, 2026 - C#
Grab your own sweet-looking '.is-a.dev' subdomain.
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Mar 29, 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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Mar 26, 2026 - PHP
Drag and drop page builder library written in vanilla javascript without dependencies or build tools.
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Mar 9, 2026 - JavaScript
Free apps
GuardRails
GuardRails provides continuous security feedback for modern development teams
Container Registry
Best-in-class CNCF Harbor based Container Image Management for individuals, teams and organizations
Mend Bolt
Detect open source vulnerabilities in real time with suggested fixes for quick remediation
AccessLint
Find accessibility issues in your pull requests
Zube
An Agile project management tool that seamlessly integrates with GitHub Issues
Mergify
Pull requests automation service. Merge your pull requests faster with automatic merges and a merge queue
Vue Play
Create Vue Applications using a Visual Designer
Crowdin
Agile localization for your projects
gitpod.io
Always ready to code - Spin up fresh cloud development environments for each task, fully automated, in seconds
ChartDB
Database diagrams editor with AI that allows you to visualize and design your DB with a single query
Slack + GitHub
Connect your code without leaving Slack
POEditor
Manage your software localization collaboratively
Review Notebook App
Code Review & Collaboration for Jupyter Notebooks
repo rules
ensure that all repositories have the same settings, e.g. visibility, squash delete, gpg branch protection, team permissions
Rollbar
Real-time, cross-platform crash reporting and error logging starting at $0/mo
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