A comprehensive list of free software that you can host on your own servers, helping you replace commercial cloud services.

This is a tool that makes building web interfaces easy, letting you write frontend code like assembling building blocks, suitable for those wanting to build dynamic websites.

The world's largest open-source AI prompt library featuring high-quality templates for various scenarios. Compatible with ChatGPT, Claude, and more, helping you leverage AI faster.

Supabase is an open-source backend platform that gives you a database, authentication, and storage instantly, so you don't have to build servers from scratch.

A web server that automatically handles HTTPS encryption certificates, simple to configure, ready to use, and more hassle-free than Nginx.

SecLists is the essential dictionary for security testers, collecting usernames, passwords, URLs, and more to help you complete security assessments quickly.

Gatsby is a React-based web building tool that makes your site load super fast and automatically pulls content from anywhere, perfect for blogs, corporate sites, and e-commerce.

An open-source all-in-one backend platform that handles user login, databases, and file storage for you, so you don't need to build servers from scratch.

Leaflet is a lightweight open-source JavaScript library that helps you easily create interactive maps on web pages, working on both mobile and desktop without fees.

A powerful network packet sniffing tool that lets you intercept, view, and even modify all network requests from your device, essential for development debugging.

A free and fast 2D game framework that lets you easily create small games for phones and computers using web technologies.

A powerful website analysis tool that scans server details, security settings, performance, and tech stack with one click, revealing the truth behind any site.

A UI framework that lets C# developers write code once to build apps for Windows, Mac, Linux, and mobile, serving as a cross-platform alternative to WPF.

The world's most popular web server and reverse proxy tool, helping you handle website hosting, traffic distribution, and content caching with high performance and stability.

A fast, customizable vulnerability scanner that uses simple YAML templates to check for security issues in websites, APIs, and networks, perfect for security testing and automation.

An open-source AI chat platform connecting all major LLMs, featuring search, code execution, and deep research, ideal for those wanting to privately deploy an AI assistant.

A self-contained offline survival computer system integrating Wikipedia, AI assistants, offline maps, and educational resources, keeping you informed without internet.

Matomo is an open-source web analytics tool like Google Analytics, but you fully control the data, ensuring privacy and security.

An open-source toolkit that lets you build iOS and Android apps with native-style looks using web technologies.

A lightweight tool that enables debugging mobile web pages like desktop browsers, allowing you to view logs, network requests, and page structures, especially for WeChat development.