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Roundcube vs Stalwart

The same facts for both, read from GitHub every night, and the relation a person reviewed.

RoundcubeStalwart
LanguagePHPRust
LicenceGPL-3.0None detected
Stars7.2k15k
Latest1.7.4v0.16.25
Last push2026-10-022026-10-05
Release cadenceabout 14 days between releasesabout 7 days between releases
Active contributors10 commit authors on the default branch in the last 90 days6 commit authors on the default branch in the last 90 days
FlagsnoneNo licence detected

How they relate

  • Both replace Google Workspace. Alternatives to Google Workspace →

    PartialRoundcubeWebmail with an address book and plugins, on top of an IMAP and SMTP server you run.

    PartialStalwartMail over JMAP, IMAP and SMTP, plus CalDAV and CardDAV, in one Rust server.