Master programming by recreating your favorite technologies from scratch.
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Updated
Dec 26, 2025 - 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
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.
The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.
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.
Slack Collaboration app for Pull Requests. Reduce pick-up time & organize daily standups around open PRs
Connect your code without leaving Slack
Manage and automate Github Deployments across repos and organizations
Developer-first security platform that protects your code from both vulnerable and malicious dependencies
A GitHub app that optimizes your images
Spend less time managing your GitHub notifications
CommitCheck ensures your commit messages are consistent and contain all required information
Real-time, cross-platform crash reporting and error logging
Ensure that new code is fully covered, and see coverage trends emerge. Works with any CI service
Frictionless error monitoring and performance insights for your entire app stack
Cut Code Review Time & Bugs in Half
Enjoy unlimited concurrency for fast and secure development cycle
We help developers write clean code
a continuous integration service for the pre-commit framework
Manage your i18n and localization needs from one place with Localazy ®
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