myOpenLab - MyOpenLab is a platform for finished elements (program components) that can be linked together.
Arduino IDE - Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware...
PyLab_Works - PyLab_Works is a free and open source replacement for LabView + MatLab, written in pure Python.
PlatformIO - Next-generation IDE for IoT
LabVIEW - LabVIEW offers many of the functions you'd find in a traditional script-based programming language presented in a more intuitive visual interface ideal fo engineering.
MINIBLOQ - miniBloq is an open source graphical programming environment for Multiplo™, Arduino™, physical computing devices and robots.