Software Alternatives & Reviews


The Radicale Project is a complete CalDAV (calendar) and CardDAV (contact) server solution.

  • Open Source

Radicale Alternatives

The best Radicale alternatives based on verified products, community votes, reviews and other factors.
Latest update:

  1. 17

    Cal and CardDAV server

    Open Source

  2. 14

    SOGo is groupware server with a focus on scalability and open standards.

    Open Source

  3. Maileroo is a powerful email delivery platform, featuring a user-friendly SMTP service and Email API. It specializes in supporting transactional emails with advanced features like delivery tracking, as well as detailed open and click monitoring.

    Visit website freemium $5.0 / Monthly (1,000 Emails)

  4. Web-based IMAP email client

    Open Source

  5. 11

    DAViCal is a server for calendar sharing.

  6. 11

    Lightweight CalDAV/CardDAV server on top of Git.

    Open Source

  7. Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.

  8. InfCloud is an open source CalDAV/CardDAV web client implementation released under GNU AGPL (version 3.0).

  9. ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.

    Open Source

  10. With Nextcloud enterprises host their own secure cloud solution for storage, collaboration & communication from any device, anywhere.

    Open Source

  11. AgenDAV is an Open Source CalDAV Web application.

  12. A fully fledged, free email server solution, an open source project (GPL v2).

    Open Source

  13. Manage your budgets, tasks, recipes and more with one simple app.

    Open Source

  14. RainLoop is a web based email client.

    Open Source

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