SHSelfHostIndex

Kopano Groupware Core vs Horde Groupware

A side-by-side comparison of two self-hosted groupware options — licensing, setup difficulty, resource needs, and what each one replaces.

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KO Kopano Groupware Core Open-source collaboration platform with Outlook support VS HO Horde Groupware PHP groupware suite with webmail and calendaring
FeatureKopano Groupware CoreHorde Groupware
CategoryGroupwareGroupware
LicenseAGPL-3.0GPL-2.0
LanguageC++PHP
Setup difficultyHardHard
Min. RAM2,048 MB512 MB
Deploymentdocker, bare-metalbare-metal, source
GitHub stars★ 60★ 243
First released20162003
ReplacesMicrosoft ExchangeMicrosoft Exchange

Why pick each one

Choose Kopano Groupware Core if…

  • Released under the AGPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in C++
Kopano Groupware Core details

Choose Horde Groupware if…

  • Released under the GPL-2.0 license
  • Written in PHP
  • Lightweight — runs in 512 MB RAM
Horde Groupware details

Frequently asked questions

Is Kopano Groupware Core or Horde Groupware better?

Neither is universally better. Horde Groupware has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.

Are Kopano Groupware Core and Horde Groupware free and open-source?

Yes. Kopano Groupware Core is licensed under AGPL-3.0 and Horde Groupware under GPL-2.0. Both can be self-hosted at no software cost.

Can I run Kopano Groupware Core and Horde Groupware with Docker?

Kopano Groupware Core: yes. Horde Groupware: check the project docs for container support.

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