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
The Secure CommsOS™ for mission-critical operations
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
🐧 A list of awesome Linux softwares
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
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.
Create polished screen recordings for free. An open-source alternative to Screen Studio.
The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.
Grab your own sweet-looking '.is-a.dev' subdomain.
A free, open source, Bootstrap admin theme created by Start Bootstrap
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.
CloudFlare free temp domain email 免费收发 临时域名邮箱 支持附件 IMAP SMTP TelegramBot
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.
AI-enhanced code review collaboration across GitHub, Slack & VS Code
Create graphical dashboards for your README.md, and beautiful data visualization posters for your wall
A better way to manage modular Git projects
Save information from your website via forms or front-end JavaScript
Best-in-class CNCF Harbor based Container Image Management for individuals, teams and organizations
Continuously build, test, and deploy to any platform and cloud
Apply size labels to Pull Requests based on the total lines of code changed
Website editor on top of Github pages
Database diagrams editor with AI that allows you to visualize and design your DB with a single query
DO NOT MERGE – as a service
Review tool for Jupyter Notebooks
Developer-first security platform that protects your code from both vulnerable and malicious dependencies
Find, fix (and prevent!) known vulnerabilities in your code
GitHub Actions on your Cloud - Run Self-Hosted Runners on AWS, GCP, Azure, DigitalOcean, Oracle or OpenStack
Automated visual review platform
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