DNP3 Source code Library for Windows and simulator
ECG Toolkit support for: SCP-ECG, DICOM, HL7 aECG, ISHNE & MUSE-XML
Python library for defining and optimizing mathematical expressions
Sudden ionospheric disturbance monitor with Stokes data product
Graphical explorer, browser for EtherNet/IP™ network
Simulate chemical processes using advanced thermodynamic models
GPS log file viewer and analyzer
Graphical explorer for BACnet and Free BACnet library in C#
IEC61850 IED Explorer in .net
Control electronic devices using most popular protocols.
LaserGRBL Linux solution, LaserGRBL is one of the best software.
32/64 bit multi-platform Ethernet S7 PLC communication suite
A graphing calculator that's both powerful and easy to use.
Free software for maps
Yet Another Terminal :: Serial Communication :: Engineer/Test/Debug
Professional Modbus master/client for Windows. TCP & RTU, FC01–FC16
Open Source Desktop GIS with Surveying and Cartography Functionality
Siemens S7300/400/1200/1500, ModbusMaster/RTU/TCP/ASCII
Experimentation System
CAESAR-Lisflood landscape evolution model
IEC 60870-5-101 Source code Library Stack - Windows c, c++, c# .net
A set of freeware applications for viewing/processing P-CAD files.