csync vs Viber
A side-by-side look at csync and Viber. For an in-depth review of either product, follow the links below.
csync
Backup & Sync
csync is an open source file synchronization and backup tool. It allows you to efficiently synchronize files between devices and ensures your files are backed up.
open-sourcefile-syncbackup
Viber
Social & Communications
Viber is a free messaging and calling app for smartphones. It uses your phone number to connect you with people in your contacts and allows free calls, texts, photos and video messages over WiFi.
messagingcallingfreecontacts