Apps similar to IdleBackup include Duplicati, which is open source with a free version. Other options are rsync, Areca Backup, KLS Backup and Backer. You can choose from more than 10 File Sync Tools like IdleBackup for Windows, Mac and Linux.
BitReplica is a tool for backing up files stored on your Windows PC. It protects your photos, music, documents and any other data from being lost due to a hard drive crash, virus attack or accidental deletion.
Australia
Z-DBackup is a modular backup system which can copy complex data sets quickly, easily and reliably to any kind of target drive and optionally even to CD-R/W, DVD+/-R/W, DVD-RAM, Blu-Ray, tape, USB flash drives and many more.
Germany
EU
SaftBackup is an english & german backup-software including version control. Backup of locked files via Volume Shadow Copy, automatical limits for the number of backups or backup age.
Switzerland
GS RichCopy 360 is the ONLY file copy utility that utilizes its own proprietary Multi-Threading technology that uses all available logical cores in the system.
United States
AnyBackup is designed to keep two pools of volumes in sync with one another. The primary use case is backing up one large network array to several smaller volumes. These syncs are intended to be periodic and user initiated.
Snap Backup is a utility for individual computer users who need a simple and convenient way to backup their valuable files. It is available in Dutch, English, Esperanto, German, Italian, Korean, Portuguese, Russian, Spanish, and Slovene.
DotSpirit Backup allows to automatically back up your hard drive to DotSpirit's secured servers.
Rebel Backup lets you make encrypted backups of your important files offsite to Dropbox or Google Drive. You control what and how often is backed up, and the encryption happens locally on your computer.
