Axigen alternatives · Email
Open-source alternatives to Axigen
Axigen is not described as open source on its own site. 39 of the 125 other email apps in this directory are open source, according to their own sites.
Axigen has a free plan. 33 of them are free or have a free plan.
39 tools · Listings checked up to Nov 13, 2026 · Where the facts come from
The 12 closest to Axigen
- Paid
Zimbra
Self-hosted email, calendar and file sharing for organizations
- Axigen has a free plan. Zimbra does not.
- Only Zimbra lists macOS, iOS and Android apps.
- Zimbra is open source, according to its own site.
- Zimbra also covers tasks.
- Free
hMailServer
Free open-source mail server that runs on Windows
- Only Axigen lists a web app.
- Only Axigen lists a Linux app.
- hMailServer is open source, according to its own site.
- hMailServer also covers workflow automation.
- Free
SOGo
Open-source groupware with webmail, calendars and contacts
- Only Axigen lists Windows and Linux apps.
- SOGo is open source, according to its own site.
- Paid
Open-Xchange
OX App Suite email platform sold to providers and governments
- Axigen has a free plan. Open-Xchange does not.
- Only Axigen lists Windows and Linux apps.
- Open-Xchange is open source, according to its own site.
- Free
Horde
Free open-source webmail, calendar, contacts and tasks suite
- Only Axigen lists Windows and Linux apps.
- Horde is open source, according to its own site.
- Horde also covers notes and tasks.
- Free
mailcow
Dockerized open-source mail server with a web admin UI
- Only Axigen lists Windows and Linux apps.
- mailcow is open source, according to its own site.
- Free
Mail-in-a-Box
Free script that turns a cloud server into your own mail server
- Only Axigen lists Windows and Linux apps.
- Mail-in-a-Box is open source, according to its own site.
- Free plan · from $2.40/yr
Stalwart Mail Server
Open-source mail and collaboration server written in Rust
- Only Axigen lists Windows and Linux apps.
- Stalwart Mail Server is open source, according to its own site.
- Stalwart Mail Server also covers file sharing and dMARC.
- Free plan · from $49 one-time
Afterlogic WebMail
Webmail front end for an existing IMAP mail server
- Only Axigen lists Windows and Linux apps.
- Afterlogic WebMail is open source, according to its own site.
- Free
Modoboa
Open-source mail server with a web admin panel and webmail
- Only Axigen lists Windows and Linux apps.
- Modoboa is open source, according to its own site.
- Free plan · from $499/yr
iRedMail
Open-source mail server installer for Linux and BSD
- Only Axigen lists a web app.
- Only Axigen lists a Windows app.
- iRedMail is open source, according to its own site.
- Free plan · from $3.99/mo
Proton Mail
End-to-end encrypted email service based in Switzerland
- Only Proton Mail lists macOS, iOS and Android apps.
- Proton Mail is open source and end-to-end encrypted, according to its own site.
- Axigen is self-hostable, according to its own site.
Common questions
Is there an open-source alternative to Axigen?
Yes. Zimbra, hMailServer, SOGo, Open-Xchange, Horde, mailcow, Mail-in-a-Box, Stalwart Mail Server and 31 more are open source, according to their own sites.
Is Axigen open source?
Axigen is not described as open source on its own site. The listing was checked on Nov 13, 2026 against the pages it cites.
Which of these email apps are free?
hMailServer, SOGo, Horde, mailcow, Mail-in-a-Box, Stalwart Mail Server, Afterlogic WebMail, Modoboa and 25 more are free or have a free plan.
When was this checked?
Each listing shows its own date. On this page they run from Oct 4, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.
This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Axigen: the alternatives its listing names first, then the tools that share the most features with it.