Stalwart15.7k

stalwartlabs/stalwart

Open sourceFreeCommunication & SocialSelf-hosted

What is Stalwart?

All-in-one mail and collaboration server that speaks IMAP, JMAP, SMTP and other protocols. It has 15,741 stars on GitHub and ranks #28 in Communication & Social. You can host it on your own server and keep your data.

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

Platforms

LinuxDocker

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