CrossBox is described as 'Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI' and is an app in the Office & Productivity category. There are more than 25 alternatives to CrossBox for a variety of platforms, including Linux, the Web, Windows, Self-Hosted solutions and Mac. The best alternative is Roundcube, which is both free and Open Source. Other great apps like CrossBox are Google Workspace (Paid), Zoho (Paid), mailcow: dockerized (Free, Open Source) and Microsoft 365 (Paid).
- 41 alternatives
- Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. View 42 alternatives to Zimbra Collaboration Suite
- Freemium • Open Source