When comparing Seafile vs OwnCloud, the Slant community recommends Seafile for most people. In the question“What are the best personal file-syncing solutions?” Seafile is ranked 4th while OwnCloud is ranked 18th. The most important reason people chose Seafile is:
Seafile community edition is licensed under GPLv2 with source code available on [GitHub](https://github.com/haiwen/seafile).
Ranked in these QuestionsQuestion Ranking
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 Open source software
Pro Allows selective sync
Desktop clients offer sync almost as versatile as dropbox.
Pro You have full control with your data
Only chose a provider or host it on your soho-server.
Con Requires maintenance
You have to manually keep the server and clients up to date.
Con Not plug and play as Dropbox etc
You may need some help installing it on your web space, though some providers offer free install server.