Roundcube alternatives: 5 apps ranked by verified data
Common reasons people leave Roundcube: needs your own server and IMAP backend, and less polished than commercial webmail. We ranked 5 alternatives by how directly each one replaces Roundcube, then by reviews, real visits and how recently each app's facts were checked against its own website. Thunderbird currently ranks first.
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Show all 5 alternativesThe best Roundcube alternative for…
The highest-ranked app in this list for each need.
Best Roundcube alternative for most people
ThunderbirdA free desktop client for the same IMAP server, if browser access isn't required.
Best Roundcube alternative for a free option
GearyA lightweight open-source desktop client for Linux users on the same server.
Best Roundcube alternative for a free plan you can upgrade
Zoho MailHosted business webmail with a free plan for small teams.
Best Roundcube alternative for open source
ThunderbirdA free desktop client for the same IMAP server, if browser access isn't required.
Best Roundcube alternative for Mac
ThunderbirdA free desktop client for the same IMAP server, if browser access isn't required.
Best Roundcube alternative for Windows
ThunderbirdA free desktop client for the same IMAP server, if browser access isn't required.
Best Roundcube alternative for Linux
ThunderbirdA free desktop client for the same IMAP server, if browser access isn't required.
Best Roundcube alternative for iPhone and Android
FastmailHosted email with a fast web app, so there's no server to maintain.
Best Roundcube alternative for working in the browser
mailbox.orgHosted European email with webmail, if you'd rather not self-host.
Roundcube alternatives: common questions
What is the best alternative to Roundcube?
Thunderbird ranks first right now. A free desktop client for the same IMAP server, if browser access isn't required. Fastmail and mailbox.org follow it in our ranking.
Is there a free alternative to Roundcube?
Yes. Thunderbird (open source), Zoho Mail (free plan + paid) and Geary (open source) have a free option. Check each app's verified facts for current plan limits.
Is there an open-source alternative to Roundcube?
Yes: Thunderbird and Geary.
Which Roundcube alternatives work on Linux?
Thunderbird, Zoho Mail and Geary run on Linux.
Why do people switch from Roundcube?
The complaints we hear most: needs your own server and IMAP backend; less polished than commercial webmail; frequent security updates to keep up with.
How is this list ranked?
Every app is scored with the same published formula: how directly it replaces Roundcube, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.