Kactus2 is a graphical EDA tool based on the IP-XACT standard.
Gerber to PDF converter
IEC 104 RTU Server Client Simulator Source Code Library Win Linux
TimingEditor is a tool to graphically draw and edit timing diagrams.
Optimer: a SPICE base electrical/ electronic circuit optimization tool
Electronic design and programming tools suite like Eagle, MpLab
A graphical Finite State Machine (FSM) designer.
KiCad Symbol Generator (Schematic Lib)
Network-on-Chip design exploration tool based on SystemC.
Open Teradyne wave files (.wav)
Simulation Tool for Phase-Locked Loops
Create fast bare-metal FPGA designs without Verilog or VHDL