Next Cloud Competitors

Zimbra offers businesses a secure, data-sovereign email and collaboration platform built on open standards. A low-risk alternative, it provides integrated email, calendar, contacts, tasks, and document sharing. Businesses gain complete control over their data with flexible on-premises or cloud deployment options, ensuring compliance and avoiding vendor lock-in. Empowering productivity with advanced security, Zimbra delivers a trusted and transparent communication solution designed for your needs.

ownCloud, a Kiteworks company, develops and provides open-source software for content collaboration, allowing teams to easily share and work on files seamlessly regardless of device or location. More than 200 million users worldwide use ownCloud as an alternative to public clouds, empowering them to improve digital sovereignty, security, and data protection. ownCloud was acquired by Kiteworks in November 2023. Kiteworks (www.kiteworks.com) unifies, tracks, controls, and secures sensitive content communications using content-defined zero trust in Kiteworks-enabled Private Content Networks. Kiteworks is the only security platform authorized by FedRAMP that provides support for file sharing, managed file transfer, and email data communications to meet the compliance requirements of standards such as CMMC 2.0, ITAR, IRAP, NIS 2, and numerous others.

Seafile is an enterprise file sync and share platform with high reliability and performance. It is designed as a reliable cloud file storage and collaboration platform. Seafile provides similar feature set to well-known cloud storage software, while it allows users to host the server on their own hardware. The core feature of Seafile is file sync and share. It provides client apps for most operating systems like Windows, Mac OS, Linux, iOS and Android. It also provides an user-friendly web interface for accessing files in a web browser. The community edition of Seafile server is 100% open source. Seafile Ltd also provides an Professional Edition of Seafile server for enterprise, public sector and research institutes customers. The professional edition is based on the open source community edition. It includes all features in the community edition and provides advanced features for professional use cases. As of today, Seafile has become one of the most popular open source cloud storage solutions in the world. More than 300,000 users rely on Seafile to sync, share and collaborate on files. Our customers now spread around the globe, including Germany, France, Finland, United States, Canada, Russia, Poland and China. It is used in large organizations and commercial companies like University Mainz and Kaspersky Lab.