webmail
The free and open source email and collaboration software .
Related contents:
All your E-mail, from all your accounts, in one place
Cypht (pronounced "sift") is like a news reader, but for E-mail. Cypht does not replace your existing accounts - it combines them into one. And it's also a news reader.
Cypht: Lightweight Open Source webmail aggregator [PHP, JS]. Supports IMAP/SMTP, JMAP and EWS (Exchange Web Services)
Simple, modern & fast web-based email client.
Mobile booting with ~138 KB download (using Brotli) and up to 99% performance grade by Lighthouse. This is a fork of the much appreciated RainLoop, but with massive changes to be compatible with (mobile) browsers of 2020 and newer.
Automate and clean your inbox. Clean Up Your Inbox In Minutes.
Bulk unsubscribe from newsletters, automate your emails with AI, block cold emails, and view your analytics. Open-source.
Simple, modern & fast web-based email client.
Modest system requirements, decent performance, simple installation and upgrade, no database required - all these make RainLoop Webmail a perfect choice for your email solution.
Open Source Groupware. SOGo is a fully supported and trusted groupware server with a focus on scalability and open standards. SOGo is released under the GNU GPL/LGPL v2 and above. SOGo provides a rich AJAX-based Web interface and supports multiple native clients through the use of standard protocols such as CalDAV, CardDAV and GroupDAV, as well as Microsoft ActiveSync.
complete mail server SMTP + IMAP + POP3 + Antispam + Antivirus Web administration + Web email ...on your server in ~5 minutes
Citadel is easy, versatile, and powerful, thanks to its exclusive "rooms" based architecture. No other platform seamlessly combines so many different features using this familiar and consistent metaphor.
A modern, fast web-mail client with user-friendly encryption and privacy features. 100% Free and Open Source software