When comparing Seafile vs Microsoft OneDrive, the Slant community recommends Seafile for most people. In the question“What are the best personal file-syncing solutions?” Seafile is ranked 9th while Microsoft OneDrive is ranked 16th. 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 Integrates with Microsoft Office software
It integrates with Word, Excel, PowerPoint, etc as if you were using OneDrive locally.
Pro Offers 15GB of storage for free
Pro Share files and folders easily
You can choose what files and folders to share with other people then send them a link.
Pro Unlimited storage for Office 365 users
Pro Photos taken with a smartphone can be set to automatically upload to OneDrive
When Android, iOS and Windows Phone users take a photo with their phone it can be set to automatically upload to OneDrive via app.
Pro Collaboration via Office 365
If you use Office 365 with OneDrive, you can share a file to edit collaboratively in real time.
Pro No setup for Windows 8/8.1/10
If you use Windows 8 or later, OneDrive is already built in your system and can be accessed via file explorer.
Con Requires maintenance
You have to manually keep the server and clients up to date.
Con Strictest code of conduct
Terms of Service forbid any kind of nudity, or that incites, advocates, or expresses pornography or racism among other things.
Con Old versions and deleted files aren't available online, just on one computer.
On some other services you can see previous versions and deleted files for a time, but with OneDrive, these are only available on the computer the edit was made. So if someone who has write permission on your shared folder deletes your stuff you just have to ask them to go in their recycle bin (and hope they didn't empty it!), which makes it less useful for teams.
Con No client for Linux
No client for Linux.