When comparing Seafile vs Tresorit, the Slant community recommends Tresorit for most people. In the question“What are the best personal file-syncing solutions?” Tresorit is ranked 5th while Seafile is ranked 6th. The most important reason people chose Tresorit is:
Encryption is performed before content gets uploaded to the cloud.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Free and open source
Seafile community edition is licensed under GPLv2 with source code available on GitHub.
Pro Client-side encryption
All files are transferred with AES 128 bit encryption.
Pro Client-side encryption
Encryption is performed before content gets uploaded to the cloud.
Pro Cross-platform
With clients for Windows, Mac, iOS, Android, Windows Phone, and Blackberry.
Pro Free storage space (get additional space through bonuses)
5 GB, up to 16 GB with bonuses.
Cons
Con Requires maintenance
You have to manually keep the server and clients up to date.
Con No Telephone Support
Con Proprietary
Because the software is proprietary, there's no way to review the security practices or really know how the software operates under the hood. As such it can be considered as not safe for sensitive information.