When comparing OwnCloud vs Koofr, the Slant community recommends OwnCloud for most people. In the question“What are the best cloud storage services?” OwnCloud is ranked 11th while Koofr is ranked 27th.
Ranked in these QuestionsQuestion Ranking
Pros
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.
Pro Multiple connections
Can connect multiple accounts from the same provider.
Cons
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.
Con Reauthorization issues
If you are using reauthorize,it will cause error : Access to this external account is currently not possible due to expired token.
To fix it, you need to remove them first, then connect them like new users does
Con Limited free user experience
Won't show conncted drives in desktop application to free users.
Only able to connect to OneDrive, Google Drive and Dropbox.