Best Mac OS X 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.

Freemium

MEGA is the cloud-based file hosting solution.

Commercial

Acronis True Image is a software product produced by Acronis that provides data protection including, backup, archive, access and recovery.

Free Personal

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

Freemium

Microsoft OneDrive is a cloud-based storage solution from Microsoft.

Freemium

Box is an online file sharing and content management service.

Freemium

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

Find apps to do interesting things:

Share code snippets online

Handle FTP requests and serve file over FTP protocol

Connect to remote FTP server using FTP protocol

View and search documentation.

Track offline app usage

Detect and update hardware drivers.