
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.

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

The Secure CommsOS™ for mission-critical operations

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

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.

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.

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

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

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

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

Virtual whiteboard for sketching hand-drawn like diagrams

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

High performance self-hosted photo and video management solution.

The world’s fastest framework for building websites.

A fancy self-hosted monitoring tool

Open Source Continuous File Synchronization