Free
Free
Roundcube webmail is free open-source software with unlimited users and messages when self-hosted.
- Access
- Roundcube webmail is free open-source software with unlimited users and messages when self-hosted.
Finding the possibilities
Roundcube
● Identity checkedAssistant · Vendor site 2026-10-04
Roundcube is a browser-based open-source IMAP webmail client with MIME and HTML mail support, address books, threading, spell checking, and a plugin API. Administrators self-host Roundcube to give users an application-like mail UI over existing IMAP servers.
- Category
- Assistant
- Free access
- Roundcube webmail is free open-source software with unlimited users and messages when self-hosted.
- API access
- Plugin API documentation is offered for extensions; no vendor-hosted mail SaaS plan is sold on roundcube.net.
Is Roundcube right for you?
A good fit for
Organizations running IMAP that want a customizable webmail front end instead of proprietary hosted email clients.
Before you choose
roundcube.net distributes software only and does not list monthly hosted webmail subscription pricing.
Self-hosted webmail
Roundcube delivers a multilingual IMAP web client with plugins and security features for teams that control their own mail infrastructure.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Mail features | Feature list includes drag-and-drop management, MIME/HTML mail, threading, and PGP encryption support. | Facts sourced | 2026-10-04 |
| Extensibility | Homepage advertises a plugin API and LDAP address book connectors. | Facts sourced | 2026-10-04 |
Understand the total cost
Roundcube pricing & plans
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Explore toolThe practical questions
Frequently asked questions
What is Roundcube used for?
Roundcube is a browser-based open-source IMAP webmail client with MIME and HTML mail support, address books, threading, spell checking, and a plugin API. Administrators self-host Roundcube to give users an application-like mail UI over existing IMAP servers.
Does Roundcube have a free plan?
Roundcube webmail is free open-source software with unlimited users and messages when self-hosted.. This record lists ongoing free access; check the plan limits before starting.
How much does Roundcube cost?
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use Roundcube through an API?
Plugin API documentation is offered for extensions; no vendor-hosted mail SaaS plan is sold on roundcube.net.. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
roundcube.net distributes software only and does not list monthly hosted webmail subscription pricing.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.