awesome-alternatives

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OTOBO vs Zammad

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

OTOBOZammad
LanguagePerlRuby
LicenceGPL-3.0AGPL-3.0
Stars3366k
Latestrel-11_0_187.2.1
Last push2026-10-062026-10-06
Release cadencetoo few releasestoo few releases
Active contributors17+ commit authors on the default branch in the last 90 days19+ commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Zendesk. Alternatives to Zendesk →

    PartialOTOBOTickets from email, phone and a customer portal, with queues and SLAs.

    Full replacementZammadTickets from email, chat, phone and social channels, with a knowledge base and a Zendesk importer.