Vifm is a curses file manager with Vim-like everything.
For full, incremental, compressed and encrypted backups or archives
Zoomable user interface (ZUI) with file manager, file viewers and more
Multi-platform disk cataloguing utility written in java.
The command line file manager
antigift is simple cross-platform, files & folders encryption tool
Zpaq compatible archiver for Win, Linux, Free/OpenBSD, Solaris, MacOS
Task-based bidirectional sync script utilizing rsync
Open Source Client/Server Network Backup System
Zipios is a C++ library for reading and writing 32bit Zip archives.
Open Source Document Management System
Base64 encode (or decode) files of any type with this lightweight tool
Packing any file into graphical format
File Transfer Tooling
MCManager - The ultimate Minecraft content manager.
Unified application-level Virtual File System