LaMa - A Localization and Mapping library
Graphical explorer for BACnet and Free BACnet library in C#
Python program for Geiger counters and Environmental Sensors
DNP3 Outstation and client simulator, Source code Library, win, Linux
GDSread reads and converts Calma GDS stream files .
DNP3 Protocol Source code Library Outstation and client Win Linux
32/64 bit multi-platform Ethernet S7 PLC communication suite
A Java VM for ARDUINO and other micros using the leJOS runtime.
A Perl program for logging OBD-II PID data
PLC-Logger and Analyzer