Email Apps
Self-hosted email apps
6 of the 74 email apps in this directory can be self-hosted, according to their own sites.
4 of them are free or have a free plan.
Listings checked up to Nov 12, 2026 · Where the facts come from
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| Inbox ZeroOpen source AI email assistant for Gmail and Outlook | Free trial · from $18/mo | Trial only | Web, macOS, Windows, iOS, Android, Browser extension |
| Zero MailOpen-source AI email client that connects your existing inboxes | Free plan · from $20/mo | Yes | Web |
| SimpleLoginOpen-source email aliases that forward to your own inbox | Free plan · from $36/yr | Yes | Web, iOS, Android, Browser extension |
| addy.ioEmail alias forwarding that hides your real address from sites | Free plan · from $1/mo | Yes | Web, iOS, Android, Browser extension |
| ZimbraSelf-hosted email, calendar and file sharing for organizations | Paid | No | Web, macOS, Windows, Linux, iOS, Android |
| RoundcubeFree open-source webmail client you host yourself | Free | Free | Web |
Common questions
Which email apps can be self-hosted?
6 of the 74 email apps in this directory can be self-hosted, according to their own sites. They are Inbox Zero, Zero Mail, SimpleLogin, addy.io, Zimbra and Roundcube.
Which of these email apps are free?
Zero Mail, SimpleLogin, addy.io and Roundcube are free or have a free plan.
When was this checked?
Each listing shows its own date. On this page they run from Oct 9, 2026 to Nov 12, 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 each listing names the pages it was read from.