1.stalwartlabs / stalwart
All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).
+720 stars
from 14,905 · score 6.58
Ranked by Attention Score: stars gained over the last 30 complete days
8 repositories by Attention Score · Oct 4, 2026 – Nov 2, 2026 (UTC)
All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).
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