ShareX

ShareX apps is Free Screenshot Grabbing Tool with Powerful Features

Platform: Windows

WebDrive

WebDrive apps is Mount an FTP server as a local device

Platform: Windows Platform: Mac

Ever - Free Photo Storage

Ever - Free Photo Storage apps is A Good Alternative to Dropbox

Platform: Android

Scan2Encrypt

Scan2Encrypt apps is Scan your documents and images into a secure PDF file and upload them to Dropbox or send by email.

Platform: Windows

CloudWok

CloudWok apps is Let Friends Upload Files to your Cloud Storage (Dropbox, Google Drive, Amazon S3).

Platform: Web Apps