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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Feb 19, 2026 - Python
DigitalPlat FreeDomain: Free Domain For Everyone
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Mar 2, 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 14, 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 14, 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 6, 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 14, 2026 - C#
Grab your own sweet-looking '.is-a.dev' subdomain.
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Mar 15, 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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Feb 14, 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
Codeac.io
We help developers write clean code
pre-commit ci lite
an add-on to github actions which allows safely pushing changes back to pull requests
gitpod.io
Always ready to code - Spin up fresh cloud development environments for each task, fully automated, in seconds
CommitCheck
CommitCheck ensures your commit messages are consistent and contain all required information
POEditor
Manage your software localization collaboratively
Rewind Backups for GitHub
Automated GitHub backups so you can recover fast, stay compliant, and never lose a line of code
Sourcery
AI code reviews and security scanning
Vaunt.Dev
A Developer Relations Platform
Repography
Create graphical dashboards for your README.md, and beautiful data visualization posters for your wall
BuildPulse
Automatically detect, track, and rank flaky tests so you can regain trust in your test suite
WakaTime
Metrics, goals, and time tracking automatically generated from your programming activity
Flaptastic
Manage flaky unit tests. Click a checkbox to instantly disable any test on all branches. Works with your current test suite
WIP
DO NOT MERGE – as a service
Datree
YAML configs and K8s manifests validation tool
Azure Pipelines
Continuously build, test, and deploy to any platform and cloud
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