Backup Files in a Folder Easily
One hundred command line tools in a small and portable binary.
A free file archiver for extremely high compression
For full, incremental, compressed and encrypted backups or archives
Simple application to copy files and folders.
Zpaq compatible archiver for Win, Linux, Free/OpenBSD, Solaris, MacOS
Next Version of Long Range Compression Program (lrzip)
Sync manager that helps you sync your files across different locations
web interface to libdar
Java wrapper for 7z archiver engine
A huge files block differential compressor
Automatically backup your files by inserting an USB storage.
Open Source Client/Server Network Backup System
A Windows tool for writing images to USB sticks or SD/CF cards
OpenMAP Suite is a document management suite based on Subversion
Lightweight utility for performing backups, with scripting capability
Free data backup software to synchronize files and folders
Easiest way to install Android applications and manage your device !
It's a fork of Free Zip software and Rar extractor by Giorgio Tani.
Saving files as check sums and using check sums to reconstruct files.