compare
Mox vs Roundcube
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Mox | Roundcube |
|---|---|---|
| Language | Go | PHP |
| Licence | MIT | GPL-3.0 |
| Stars | 5.9k | 7.2k |
| Latest | v0.0.17 | 1.7.4 |
| Last push | 2026-09-13 | 2026-10-02 |
| Release cadence | about 81 days between releases | about 14 days between releases |
| Active contributors | 11 commit authors on the default branch in the last 90 days | 10 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Google Workspace. Alternatives to Google Workspace →
PartialMoxSMTP, IMAP, webmail, spam filtering and automatic TLS in one Go binary; mail only.
PartialRoundcubeWebmail with an address book and plugins, on top of an IMAP and SMTP server you run.
Mox
- v0.0.172026-08-19webmail: Clicking Send reloads the page instead of sending. A few other forms
- v0.0.162026-08-18smtpserver: reject submitted messages with multiple From headers/addresses.
- v0.0.152025-04-18Implement IMAP NOTIFY extension from RFC 5465. Where IDLE is for monitoring a
- v0.0.142025-01-20Implement TLS client certificate authentication using their public keys (not
- v0.0.132024-11-06This release fixes TLS interoperability with incoming deliveries from Microsoft
Mox
unsigned The latest release, v0.0.17, carries no signature GitHub could verify.
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Roundcube
✓ signed The latest release, 1.7.4, carries a signature GitHub verified.
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