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.
The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.
Create polished screen recordings for free. An open-source alternative to Screen Studio.
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.
Automatic cleaning of code
A software engineering intelligence tool tool to identify and prioritize technical debt and evaluate your efficiency
DO NOT MERGE – as a service
Completely free AI code agent. Use the best frontier models from Anthropic, OpenAI & more with no credit card or API keys
GitHub App that turns repo history into skills, PRs, guardrails, and rollout plans for AI coding agents
Automatically validates pull requests, branches and commit messages in your Github repositories
Automated GitHub backups so you can recover fast, stay compliant, and never lose a line of code
Backup repositories, metadata and LFS into AWS, Azure, OneDrive, GCP. SOC2 Type II compliant. Pay per repositories, not seats
World's most tech-savvy GitHub backup, recovery, restore, migration & config management trusted by Fortune 500
Accelerate your development team with preemptive merge conflict detection
Lets developers schedule PRs to be merged at a specific date/time. Useful for scheduling posts on static blog frameworks
Slack Collaboration app for Pull Requests. Reduce pick-up time & organize daily standups around open PRs
Powerful API analytics and usage-based billing to monetize APIs
Review PRs up to 40% faster. Pinpoint highest tech debt directories. Most engineer-friendly Developer Analytic velocity stats
Cloud service for building, testing and deploying Windows apps
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