
SOGo is a very fast and scalable modern collaboration suite (groupware). It offers calendaring, address book management, and a full-featured Webmail client along with resource sharing and permission handling. It also makes use of documented standards (IMAP, CalDAV, CardDAV, etc.) and thereby provides native connectivity (without plugins) to many clients such as Microsoft Outlook, Apple iCal, the iPhone, Mozilla Lightning, and a plethora of mobile devices.

SOGo is a fast and scalable open source groupware suite that provides calendaring, address book management, and webmail capabilities. It uses standard protocols like IMAP, CalDAV, and CardDAV to enable native connectivity with popular clients including Microsoft Outlook, Apple iCal, Mozilla Lightning, and mobile devices without requiring plugins.
SOGo is designed for organizations, enterprises, and institutions seeking an open source, self-hosted groupware solution with strong standards compliance. It's ideal for those wanting to avoid vendor lock-in while maintaining compatibility with existing client applications.

Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.

mailcow: dockerized - ๐ฎ + ๐ = ๐

All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).

Insular email distribution - mail server as Docker images

The Roundcube Webmail suite

A list of Free Software network services and web applications which can be hosted on your own servers

Get up and running with Kimi-K2.5, GLM-5, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.

Production-ready platform for agentic workflow development.

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

Virtual whiteboard for sketching hand-drawn like diagrams

JavaScript API for Chrome and Firefox

The worldโs fastest framework for building websites.

:house_with_garden: Open source home automation that puts local control and privacy first.

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

Open Source Continuous File Synchronization