What are some alternatives?
Cryptomator - When it comes to saving your files on a cloud server, it is important to ensure the security of those files. Keeping your delicate files out of the wrong hands can save you a lot of time and hassle. Read more about Cryptomator.
Dropbox - Online Sync and File Sharing
EncFS - EncFS provides an encrypted filesystem in user-space.
SpiderOak - SpiderOak makes it possible for you to privately store, sync, share & access your data from everywhere.
Axcrypt - We have a newer web site! Visit axcrypt. net instead! AxCrypt - Password Protect Files With Strong Encryption. AxCrypt is the leading open source file encryption software for Windows.
Mega - Secure File Storage and collaboration