Horde Groupware
A self-hosted open-source PHP suite with webmail, calendar, contacts, tasks and notes.
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About Horde Groupware
Horde is a community-maintained groupware suite that you run on your own server. It includes webmail, a calendar, contacts, tasks, notes and time tracking. The suite has been used by organisations for over two decades and has a responsive web interface.
CalDAV, CardDAV and ActiveSync let desktop, mobile and other standards-based clients sync with it. The applications are built from independent PHP libraries that developers can reuse. Development is active, with dozens of component releases in the last 90 days.
Strengths
- Full groupware suite beyond mail, including tasks, notes and time tracking
- CalDAV, CardDAV and ActiveSync sync
- Community project with active releases
- Public demo available
Limitations
- Requires running and maintaining a PHP server
- Older codebase with a long history of security fixes to track
Details
- Pricing
- FreeFree and open source with no paid tier.
- License
- LGPL/GPL
- Developer
- The Horde contributors
- Platforms
- Web, Self-hosted
- How it runs
- Self-hosted
- Best suited for
- Self-hosters and organisations wanting webmail and groupware without a vendor
- Categories
- Office tools, Email clients
- Last verified
- Added
- Provenance
- Facts checked against the developer's own pages and store listings, 1 sources on file.
Alternatives to Horde Groupware
Compare allSoftware that can replace Horde Groupware for an important use case, and what changes if you switch.
SOGo
An open-source groupware server with webmail, shared calendars and address books for organisations.
SOGo is a self-hosted groupware server with webmail, shared calendars and contacts plus CalDAV, CardDAV and ActiveSync, but it needs existing mail and directory servers.
Roundcube
A self-hosted, browser-based IMAP webmail client written in PHP.
Roundcube is a self-hosted PHP webmail client for any IMAP server with LDAP address books and PGP support, but drops tasks, notes and time tracking.
SnappyMail
A lightweight self-hosted webmail client, forked from RainLoop and rebuilt for modern browsers.
SnappyMail is a lightweight AGPL-3.0 webmail front end forked from RainLoop that loads fast on mobile, but offers mail only without the groupware suite.
Cypht
Self-hosted open-source webmail that combines several email accounts and RSS feeds into one inbox.
Cypht is self-hosted webmail that combines several accounts and RSS feeds in one inbox with IMAP, JMAP and EWS support, but lacks calendar and tasks.
Horde Groupware as an alternative
Listings that name Horde Groupware as an alternative.
Zoho Workplace
An online suite from Zoho combining mail, team chat, meetings, file storage and office editors.
Horde Groupware is a free self-hosted PHP suite with webmail, calendar, contacts, tasks and notes, requiring you to run and maintain a server.
Similar software
Related functionality, not necessarily a direct replacement.
Mailcow
Dockerized open-source mail server suite with web admin and webmail.
iRedMail
Free open-source mail server installer for Linux and BSD.
Modoboa
Open-source mail hosting platform with an admin UI and webmail.
Mail-in-a-Box
Turnkey open-source script that builds a full mail server on Ubuntu.
