Best Linux Softwares to Backup Files Online

Freemium

Dropbox is an easy to use freemium cloud storage solution. It has a client sync utility for multiple platforms.

Commercial

SpiderOak is a cloud-based backup and restore solution to protect against data loss.

Open Source

Redo Backup and Recovery is free backup and disaster recovery software. It runs from a bootable Linux CD image.

Free Personal

ownCloud is a free and opensource file sync and share app which is self hosted.

Freemium

MEGA is the cloud-based file hosting solution.

Freemium

pCloud provides a cloud storage solution for businesses of any size.

Find apps to do interesting things:

Search for a similar looking screenshot from other users.

Create virtual machine sharing the resource of host system.

Tweet from desktop without opening browser.

Control another computer or system remotely

Opens PSD (Photoshop Document) files.

Save files in the cloud storage