Mautic vs isync

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

Not the right match-up?
FeatureMauticisync
CategoryMail ServersMail Servers
LicenseGPL-3.0GPL-2.0
LanguagePHPC
Setup difficultyHardMedium
Min. RAM2,048 MB32 MB
Deploymentdocker, bare-metal, sourcebinary, source
GitHub stars★ 10,305★ 400
First released20142000
ReplacesHubSpot, Marketo, MailchimpOutlook offline mode

Why pick each one

Choose Mautic if…

  • Full marketing automation suite
  • Large community
Mautic details

Choose isync if…

  • Released under the GPL-2.0 license
  • Written in C
  • Tiny footprint — runs in 32 MB RAM
isync details

Frequently asked questions

Is Mautic or isync better?

Neither is universally better. Mautic has the larger community, while isync is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.

Are Mautic and isync free and open-source?

Yes. Mautic is licensed under GPL-3.0 and isync under GPL-2.0. Both can be self-hosted at no software cost.

Can I run Mautic and isync with Docker?

Mautic: yes. isync: check the project docs for container support.

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