GetSmart is a download manager that supports Multi-Connection downloads. With Multi-Mirror search it can download different parts from these mirror servers simultaneously. It can 'act as proxy' to serve multiple clients. It can also works as a Daemon.
File transfers between some old Nokia phones and Linux via BlueTooth
A command line tool like "ftp" for Linux that allows data transfer with (some) Nokia cell phones via Bluetooth. Warning: Based on unrealiable information => May not work with (or even damage!) your phone!
JuMPingSoCketS is a Java Multi Protocol Server Client System (JMPSCS). It is a plugin-oriented communication tool for serveral filetransfer- and chatprotocols for both client and server protocols.