
Full-featured, open source mail server solution for mainstream Linux/BSD distributions.

iRedMail is a full-featured, open source mail server solution designed for mainstream Linux and BSD distributions. It provides everything needed to deploy a complete email infrastructure without licensing costs, making it ideal for organizations seeking self-hosted email control and transparency.
iRedMail is designed for system administrators, hosting providers, and organizations that need to deploy mail servers on Linux or BSD systems. It's suitable for those who prefer open source solutions and want direct control over their email infrastructure without relying on cloud-based services.

:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.

Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

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

Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

The Roundcube Webmail suite

✉️ Composable all-in-one mail server.

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

🙃 A delightful community-driven (with 2,500+ contributors) framework for managing your zsh configuration. Includes 300+ optional plugins (rails, git, macOS, hub, docker, homebrew, node, php, python, etc), 140+ themes to spice up your morning, and an auto-update tool that makes it easy to keep up with the latest updates from the community.

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

A feature-rich command-line audio/video downloader

Production-ready platform for agentic workflow development.

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

Virtual whiteboard for sketching hand-drawn like diagrams

An open-source AI agent that brings the power of Gemini directly into your terminal.

JavaScript API for Chrome and Firefox

The world’s fastest framework for building websites.