Browse free open source Email software and projects below. Use the toggles on the left to filter open source Email software by OS, license, language, programming language, and project status.
Client daemon to move mail from POP and IMAP to your local computer
Testable, composable, and adapter based Elixir email library
Simple-to-use/-install issue-tracking system: web, REST, email, CLI
IGSuite is a web-ajax-based Integrated Groupware Suite
Open source email service with a strong focus on security and privacy
Command line management for Google G Suite
Free Email Backup Software | Email Backup App for Android
Windows eml and mbox viewer.
Anti-Spam SMTP Proxy Server implements multiple spam filters
Provides mechanisms for walking through any arbitrary PHP variable
Add keyboard shortcuts to switch between different thread views
SMTP email proxy and relay server
Lightweight Open Source webmail written in PHP and JavaScript
Arcjet JS SDKs. Rate limiting, bot protection, email verification
A faster, leaner email client and fork of Nylas Mail
Compose, deliver and test your emails easily in Elixir
A simple and fast cross-platform solution to send mass emails.
Unofficial ProtonMail Desktop App
Mail Notifer for Windows
SaltOS, ERP, CRM, Business Management Suite, Josep Sanz Campderrós
Mail hosting made simple