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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Mar 18, 2026 - Python
DigitalPlat FreeDomain: Free Domain For Everyone
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Mar 26, 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
The Secure CommsOS™ for mission-critical operations
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Apr 19, 2026 - TypeScript
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
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Apr 19, 2026 - Python
🐧 A list of awesome Linux softwares
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Feb 16, 2026 - HTML
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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Apr 10, 2026
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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Apr 19, 2026 - C#
The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.
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Apr 6, 2026 - JavaScript
Grab your own sweet-looking '.is-a.dev' subdomain.
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Apr 20, 2026 - JavaScript
A free, open source, Bootstrap admin theme created by Start Bootstrap
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Jul 2, 2024 - HTML
Create polished screen recordings for free. An open-source alternative to Screen Studio.
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Apr 19, 2026 - TypeScript
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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Apr 5, 2026 - PHP
CloudFlare free temp domain email 免费收发 临时域名邮箱 支持附件 IMAP SMTP TelegramBot
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Apr 18, 2026 - TypeScript
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.
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Apr 19, 2026 - TypeScript
Free apps
Axolo for Slack
Slack Collaboration app for Pull Requests. Reduce pick-up time & organize daily standups around open PRs
Codefresh
A modern container-based CI/CD platform, easily assemble and run pipelines with high performance
TestQuality - Unified Test Management for GitHub
Test Plan Driven QA Test Management for GitHub
Rollbar
Real-time, cross-platform crash reporting and error logging starting at $0/mo
ChartDB
Database diagrams editor with AI that allows you to visualize and design your DB with a single query
GitLive
Accelerate your development team with preemptive merge conflict detection
Socket Security
Developer-first security platform that protects your code from both vulnerable and malicious dependencies
Tara AI
Collaborate as a team from requirement to release in one platform. Syncs to Github issues & your entire workflow in real-time
Depfu
Automated dependency updates done right
CodeScene
A software engineering intelligence tool tool to identify and prioritize technical debt and evaluate your efficiency
Coveralls
Ensure that new code is fully covered, and see coverage trends emerge. Works with any CI service
Qlty Cloud
Code quality and coverage done right
Slack + GitHub
Connect your code without leaving Slack
AppVeyor
Cloud service for building, testing and deploying Windows apps
ReadMe Micro
Connect, organize, and auto-generate documentation for your team's internal APIs
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