
An XMPP server licensed under the Open Source Apache License.

Openfire is a real-time collaboration server that implements the XMPP (Jabber) protocol, the only widely adopted open standard for instant messaging. It provides a self-hosted alternative to proprietary communication platforms with rock-solid security, performance, and ease of administration.
Openfire is ideal for organizations, enterprises, and developers who need a self-hosted, standards-based instant messaging and collaboration platform with full control over their communication infrastructure. It serves businesses prioritizing security, compliance, and independence from proprietary vendors.

The Secure CommsOS™ for mission-critical operations

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

Huly — All-in-One Project Management Platform (alternative to Linear, Jira, Slack, Notion, Motion)

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

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

A customizable life embetterment robot.

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 world’s 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