digiCamControl - A DSLR camera remote control open source software Features:
Icarus Camera Control - This is an open source program for controlling digital cameras, especially those that support PTP.
qDslrDashboard - Camera tethering as easy as 123!
Entangle - Entangle provides a graphical interface for “tethered shooting”, aka taking photographs with a...
Smart Shooter - Software for camera remote control and tethered shooting
DSLR Remote Pro Multi-Camera - DSLR Remote Pro - software to control Canon DSLR cameras from a PC