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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May 2, 2026 - Python
DigitalPlat FreeDomain: Free Domain For Everyone
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Apr 24, 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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May 2, 2026 - TypeScript
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
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May 1, 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
Create polished screen recordings without editing. Mac/Windows/Linux
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May 2, 2026 - TypeScript
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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May 2, 2026 - C#
The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.
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Apr 22, 2026 - JavaScript
Grab your own sweet-looking '.is-a.dev' subdomain.
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May 1, 2026 - JavaScript
A free, open source, Bootstrap admin theme created by Start Bootstrap
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Jul 2, 2024 - HTML
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 30, 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
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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May 2, 2026 - TypeScript
Free apps
GitClear
Review PRs up to 40% faster. Pinpoint highest tech debt directories. Most engineer-friendly Developer Analytic velocity stats
CleanThat
Automatic cleaning of code
CommitCheck
CommitCheck ensures your commit messages are consistent and contain all required information
Pageclip
Save information from your website via forms or front-end JavaScript
Mend Bolt
Detect open source vulnerabilities in real time with suggested fixes for quick remediation
AppVeyor
Cloud service for building, testing and deploying Windows apps
Codacy
Codacy helps to build effortless code quality and security for developers
Socket Security
Developer-first security platform that protects your code from both vulnerable and malicious dependencies
Axolo for Slack
Slack Collaboration app for Pull Requests. Reduce pick-up time & organize daily standups around open PRs
ReadMe Micro
Connect, organize, and auto-generate documentation for your team's internal APIs
Container Registry
Best-in-class CNCF Harbor based Container Image Management for individuals, teams and organizations
Cloud 66 Skycap
Skycap is a container native CI/CD tool
Testspace.com
Test Management software for DevOps, including CI Results Dashboard, Manual Test Case Management, and Exploratory testing
Moesif API Analytics and Monetization
Powerful API analytics and usage-based billing to monetize APIs
Airbrake
Frictionless error monitoring and performance insights for your entire app stack
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