EASTL, Electronic Arts Standard Template Library
MAME is a multi-purpose emulation framework
Gerber to PDF converter
Proximus is an Electronic System Level (ESL) design environment.
Real Time Electronic Circuit Simulator.
Helps to improve the life expectancy of an electronic device's battery
AVR simulator IDE
Electronic design and programming tools suite like Eagle, MpLab
Powerfull pre-processor
A graphical Finite State Machine (FSM) designer.
DMS for linux, C++ library, server, webUI , SOAP
IDE for PIC microcontrollers
Create fast bare-metal FPGA designs without Verilog or VHDL