Master programming by recreating your favorite technologies from scratch.
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Updated
Feb 21, 2026 - Markdown
Master programming by recreating your favorite technologies from scratch.
A collective list of free APIs
DigitalPlat FreeDomain: Free Domain For Everyone
📚 免费的计算机编程类中文书籍,欢迎投稿
A curated list of free courses with certifications. Also available at https://free-certifications.com/
The Secure CommsOS™ for mission-critical operations
🐧 A list of awesome Linux softwares
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
插件化、定制化、无广告的免费音乐播放器
📚 The definitive guide to TypeScript and possibly the best TypeScript book 📖. Free and Open Source 🌹
🆓免费的 ChatGPT 镜像网站列表,持续更新。List of free ChatGPT mirror sites, continuously updated.
A collection of services with great free tiers for developers on a budget. Sponsored by Mockoon, the best mock API tool. https://mockoon.com
The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.
A free, open source, Bootstrap admin theme created by Start Bootstrap
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.
Grab your own sweet-looking '.is-a.dev' subdomain.
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.
Drag and drop page builder library written in vanilla javascript without dependencies or build tools.
Automatically label GitHub Issues with machine learning
Cloud service for building, testing and deploying Windows apps
Build, deploy, and maintain your Rails apps on any cloud or server
Build, test, & deploy in a fast, consistent, and secure manner
Test Plan Driven QA Test Management for GitHub
Best-in-class CNCF Harbor based Container Image Management for individuals, teams and organizations
Manage and automate Github Deployments across repos and organizations
Spend less time managing your GitHub notifications
Completely free AI code agent. Use the best frontier models from Anthropic, OpenAI & more with no credit card or API keys
Automated dependency updates done right
See your test and style results without leaving GitHub. Works with any CI service. Supports JUnit, Checkstyle, and more
Find accessibility issues in your pull requests
Lets developers schedule PRs to be merged at a specific date/time. Useful for scheduling posts on static blog frameworks
Connect your code without leaving Slack
Skycap is a container native CI/CD tool
Add a description, image, and links to the free topic page so that developers can more easily learn about it.
To associate your repository with the free topic, visit your repo's landing page and select "manage topics."