OX App Suite is described as 'The OX App Suite by Open-Xchange is web-based platform offering a suite of apps like an email client, calendar, contacts magement, cloud storage with synchronization and productivity apps for word processing, spreadsheets and presentations' and is a webmail provider in the office & productivity category. There are more than 10 alternatives to OX App Suite for a variety of platforms, including Linux, Self-Hosted, Web-based, Windows and Android apps. The best OX App Suite alternative is Roundcube, which is both free and Open Source. Other great apps like OX App Suite are Kolab, SOGo, Zimbra Collaboration Suite and Nexmail.
Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking.
SOGo is groupware server with a focus on scalability and open standards.
SOGo provides a rich AJAX-based Web interface and supports multiple native clients through the use of standard protocols such as CalDAV, CardDAV and GroupDAV.Share your calendars, address books and mails in.
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.
NexMail is an open-source, modern webmail client designed for self-hosted email servers. Enjoy a clean, intuitive interface with powerful features for managing your emails efficiently.
Exchange business-class email helps increase user productivity while protecting your data. Get it as a hosted service or run it on your servers.
Axigen provides a multi-tenant, fully integrated, multi-platform, all-in-one email, calendaring and collaboration messaging solution. It grants extensive branding options and is localized in over 29 languages (including right-to-left writing mode).
grommunio (formerly known as grammm) efficiently combines all requirements of modern, digital communication and collaboration.
Afterlogic Aurora is an enterprise collaboration system for small and medium-sized business. Aurora provides collaboration of webmail, contacts, calendar, files and helpdesk modules.
Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI.
Web-based team collaboration suite combining email client, calendar, contact and task tools, CRM, project and file management, file sharing, trouble tickets, Rocket.Chat chat, and Collabora online editing. Offers open source, self-hosted, and SaaS options.
Switzerland
Canada
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Pakistan
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Bosnia & Herzegovina
Roundcube covers only the email aspect. OX App Suite also offers full PIM, cloud storage and productivity apps.