stalwartlabs/stalwart
All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).
A Rust Mail Server Bundling IMAP, JMAP, SMTP and DAV Protocols — Stalwart is an open-source mail and collaboration server written in Rust that combines IMAP4, JMAP, POP3, SMTP, CalDAV, CardDAV and WebDAV in one binary. It targets self-hosters and admins who want email plus contacts/calendar sync without stitching together separate servers, with security and scalability built in.
Metrics
Retention can be computed 30 days after a repository first trends (it isn't shown until then). See About for how each metric is defined.
Star growth and Trending appearances (last 30 days)
Bands mark days on the trending list (darker = higher rank)
Daily trending ranks as a table (3 days)
| Date | Daily | Weekly |
|---|---|---|
| Oct 29, 2026 | rust #11 +61 | rust #10 +264 |
| Oct 28, 2026 | — | rust #15 +222 |
| Oct 24, 2026 | rust #10 +23 | — |
Created Mar 6, 2023 · First on trending Oct 24, 2026
Other notable repositories in the same category (Infra & DevOps)
- net-merge/net-merge
- aws/aws-durable-execution-sdk-go
- pearl-research-labs/pearl
- dagger/dagger
- perplexityai/SPACE
See all Infra & DevOps repositories →
Rank within rust
| # | Repository | ★ |
|---|---|---|
| 1 | farion1231/cc-switch | 149,769 |
| 2 | rustdesk/rustdesk | 127,388 |
| 3 | rust-lang/rust | 120,887 |
| 4 | tauri-apps/tauri | 112,277 |
| 5 | denoland/deno | 108,793 |
| 6 | oven-sh/bun | 96,454 |
| 7 | rtk-ai/rtk | 84,901 |
| 8 | rohitg00/ai-engineering-from-scratch | 75,353 |
| 9 | storytold/photocraft | 74,452 |
| 10 | dani-garcia/vaultwarden | 69,852 |
| 58 | stalwartlabs/stalwart | 15,468 |