What makes us the best choice

Best security

Developed in a security-focused process as attested by a range of external experts and security pen-tests.

Industry-leading features include machine-learning based login protection, 2-factor authentication measures, brute force protection and unique capabilities like Video Verification, end-to-end and server-side encryption.

We put our money where our mouth is: our USD 10.000 security bug bounty program brings top security expertise in, keeping your data safe.

Largest ecosystem

As the most deployed self-hosted file sync and content collaboration platform, Offering the widest range of add-on capabilities and integrations in the industry. Over 200 'apps' offer powerful security capabilities, team productivity features and infrastructure integrations.

Workflow capabilities, several online office solutions and a tool employing advanced entropy analysis to recover files from a ransomware attack, built by security researchers from a German university, are just some of the applications found in our app store.

Easiest to use

Powerful capabilities often result in complicated user interfaces, lowering productivity and hindering quick adoption in organizations. Without limiting their abilities, our software does not overwhelm users with unnecessary clutter. Our customers remark time and again how few support tickets it creates for their IT teams.

Accessibility features like keyboard and screenreader navigation, WCAG 2.1 compliant contrast and a dyslexia-friendly font are available only in the leading on-premises content collaboration platform!

Why Choose Us?


Protect, control and monitor data and communication across your company. Guarantee compliance with business and legal requirements. Keep your data on servers you are in control of, at all times. Nothing leaks, not even metadata.


Enable productivity across any platform, whether in the office or on the road, to share, collaborate and communicate across organizational boundaries. Our software provides transparent access to data on any storage.


Enjoy constant improvements from a thriving and transparent, entirely open-source community development model, free of lockins or paywalls. Enjoy the benefits of enterprise support when you need it.

The Reality

- Legal compliance: Privacy Shield, GDPR, California Privacy Act, none of those legal headaches matter if you keep your data in-house or on servers you control.

- Vendor Lock-in: The bigger picture is that your needs and wants and those of Microsoft are not always aligned. If they want to push some technology, you cannot turn it off. If they abandon something, you will lose access to it. Not so with us!

- Security and transparency: Those are the two sides of the same coin! You can audit the code or pay a security firm to do that for you, making sure it does what we claim it does and nothing more.

- You control updates: No more walking in on Monday morning to an inbox full of support requests due to broken workflows after an update you did not know was coming.

- You control the code: Add, modify or remove any functionality you want, at any time, or build custom integration in any platform you want, including in-house tech.

- You run your cloud: You now have the opportunity to consolidate your data, floating on all kinds of public clouds, into one place.

- Office 365 is not GDPR Compliant: Use of Office 365 adds significantly to compliance risks. Like many other SaaS solutions it, fails to follow the requirements and, risks business data as a Data Protection Impact Assessment of Office 365 by the Dutch government showed again in mid 2020. This after serious flaws were found and promised to be fixed first in early 2019 and again later that year.

Legal challenges are mounted continuously and can cause significant harm. This harm became particularly clear after the European Union Court of Justice struck down Privacy Shield, effectively nullifying GDPR compliance for USA cloud services. In essence the ruling means that USA companies cannot handle data in compliance with the GDPR.

European data centers or Standard Contractual Clauses (SCCs) are no solution, as access to data already defines a data transfer and USA law supersedes contract law. The only legal solution to regain compliance with European Union law is to immediately stop data transfers to the USA businesses and repatriate data currently residing with them.

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