Cryptomator is a multi-platform transparent client-side encryption of your files in the cloud that protects your documents from an unauthorized access.
Features:
Open source software: No backdoors - control is better than trust
Client-side: No accounts, no registration, no data shared with any online service
Works with Dropbox, Google Drive, OneDrive, Nextcloud and any other cloud storage service which synchronizes with a local directory
Totally transparent: Just work on the virtual drive as if it were a USB flash drive
AES encryption with 256-bit key length
File names get encrypted
Folder structure gets obfuscated
Use as many vaults in your Dropbox as you want, each having individual passwords
What’s New:
Version 1.7.1:
Bugfixes:
On Windows using WebDAV (Windows Explorer) vaults could not be unlocked (#2730)