Mail Server
Self-hosted mail servers and groupware suites
1 app in the database · sortable by stars, activity or RAM
Mail Server apps
Every app in this category, from the database — tap through for the full profile.
Ranking
| # | App | License | Stars | Open issues | Version | RAM | Official clients |
|---|---|---|---|---|---|---|---|
| 1 | Mailcowmailcow: dockerized | GPL-3.0 | 13,695 | 548 | 2026-10 | Not documented | |
| 1 | Mailcowmailcow: dockerized | GPL-3.0 | 13,695 | 548 | 2026-10 | Not documented |
RAM is shown as “Not documented”: the schema has no memory field yet, so no number is claimed. Sorting reorders rows in place — no JavaScript, no extra URLs.
How to choose
Statements below are read straight from the database; nothing here is a recommendation.
- Mailcow covers the most platforms with first-party clients — 1 of 8 in the matrix.
- None of the 1 apps here has an official iOS client row in the database.
- None of the 1 apps here has an official Android client row in the database.
- Mailcow is the most-starred entry with 13,695 GitHub stars, verified 2026-10-26.
- Licences in this category: GPL-3.0. 0 third-party clients are recorded across the category.