Fritzing - Fritzing is an open-source initiative to support designers, artists, researchers and hobbyists to...
FMOD - FMOD Studio is an audio middleware solution and engine for games.
Proteus PCB design - Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...
Wwise - Game audio engine, designed to give artists more control and save programmers' time.
LTspice - LTspice® is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits.
SoLoud - Easy to use, free, portable c/c++ audio engine for games.