SHSelfHostIndex

Horde Groupware vs WildDuck

A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
HO Horde Groupware PHP groupware suite with webmail and calendaring VS WI WildDuck Scalable IMAP and POP3 mail server with REST API
FeatureHorde GroupwareWildDuck
CategoryGroupwareMail Servers
LicenseGPL-2.0EUPL-1.2
LanguagePHPJavaScript
Setup difficultyHardHard
Min. RAM512 MB1,024 MB
Deploymentbare-metal, sourcedocker, bare-metal
GitHub stars★ 243★ 2,107
First released20032017
ReplacesMicrosoft ExchangeMicrosoft Exchange, Gmail

Why pick each one

Choose Horde Groupware if…

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

Choose WildDuck if…

  • API-driven management
  • Horizontally scalable
WildDuck details

Frequently asked questions

Is Horde Groupware or WildDuck better?

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

Are Horde Groupware and WildDuck free and open-source?

Yes. Horde Groupware is licensed under GPL-2.0 and WildDuck under EUPL-1.2. Both can be self-hosted at no software cost.

Can I run Horde Groupware and WildDuck with Docker?

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

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