ownCloud vs Ctera

The most important differences between Ctera and ownCloud

Compare Ctera vs ownCloud

Read a full Ctera comparison below, and learn how ownCloud enables users to share files and folders within your organization securely. Ctera is an edge-to-cloud file management solution from the US and Israel with a clear focus on security. It specializes in organizing multi-site file storage setups. Ctera is, unlike ownCloud, closed source which makes the workings of its code intransparent. Like ownCloud, it supports multisite setups. Ctera, like ownCloud, gives customers a choice of on-premises, cloud or hybrid deployment and simplifies IT modernization drives. Unfortunately, its exact inner workings are a black box so customers have to trust the vendor instead of being able to audit the source code.

ownCloud secure cloud solution for enterprise file sharing



AGPLv3, commercial license

commercial license


On-premises, Hybrid, Cloud

On-premises, Hybrid, Cloud

Deployment packages


Support reaction time 


Based on severity


Unlimited for on-premises

Depends on plan

Custom theming

Maximum file size



Desktop App 

Windows, Mac OS, Linux

Windows, Mac OS, Linux

Web App


Mobile Apps

iOS, Android 

iOS, Android 

Virtual File System 


Document editing 

Collabora online, ONLYOFFICE, Microsoft Office Online Server

Microsoft Office 

Email integration 

Outlook-, Thunderbird-, Mailbox.org-plugin

Outlook plugin

Guest accounts


Sharing policies for groups


Activities & comments


2-factor authentication


Storage encryption


External storage integration


Command-line interface


FTP-Server integration

Secure View

Auditing & logging


We compiled this comparison list to the best of our knowledge in September 2020. Should we have overlooked or forgotten anything, do not hesitate to contact us.

The best choice for enterprise file sync and share: ownCloud

Backed by a global community and a large ecosystem

More than 200 million people worldwide use ownCloud for collaboration and to share files. The ownCloud file platform has already been installed over 200,000 times. ownCloud is a large open-source project with a globally active network of users and backed by a transparent ecosystem – if you have a question, it is pretty likely that someone in the open-source community already has the answer. On GitHub, over 7,200 people have starred the project and the ownCloud core alone has nearly 500 active contributors.

File sharing that integrates into the tools you already use

ownCloud takes a best-of-breed approach to improving team productivity and collaboration. ownCloud integrates well with many other open-source solutions, allowing enterprises to seamlessly embed file sharing into their existing cloud stack. From content collaboration with ONLYOFFICE, Collabora Online or Microsoft Office Online Server, to various groupware integrations like Kopano and Open Exchange, to Moodle as a learning management system – ownCloud is a seamless and straightforward choice anywhere that files are edited and shared. 

+10 years experience in enterprise file sync & share

The open-source project ownCloud was launched in 2010 and the company ownCloud was founded in 2011. Since that day, it has grown into a 75-member team that is committed to providing in-person support, deployment and a great file sharing experience for our customers and the community. With ownCloud you get continuity, reliability and +10 years experience in enterprise file sync and share.

Content collaboration that scales with ease

ownCloud is brings unlimited scalability to teams of any size: From a home installation on your Raspberry Pi to very large ownCloud Enterprise instances with 200,000 users. Ctera requires its customers to be somewhat large and comfortable with entrusting data to a US company that does not disclose the source code of its software. ownCloud is both rooted in the open source community and designed for business use. For example, ownCloud supports files of unlimited size and makes sharing reliable, convenient and secure.


Users love ownCloud

ownCloud has an average rating of 4.2 on Capterra


ownCloud has an average rating of 4.1 on G2


ownCloud has an average rating of 4.5 on Gartner Peer Insights


Want to learn more?

Experience ownCloud in action and ask our knowledgable presales team any question for your proof of concept.

Trusted by 200 million users worldwide

ownCloud customer CERN
ownCloud customer ETH Zürich
ownCloud customer Daimler
ownCloud customer European Commission
ownCloud customer DB Mobility Networks Logistics
ownCloud customer Fujitsu

OwnCloud is very easy to use, very simple file system with simple interface and its design of file manager is also very good. It has good filtering options and comes with good admin controls. It follows strict security mechanisms/practices, as the web attacks are increasing gradually.

Software Developer, Manufacturing Industry

Gartner Peer Insights, February 2020