myOpenLab - MyOpenLab is a platform for finished elements (program components) that can be linked together.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
PyLab_Works - PyLab_Works is a free and open source replacement for LabView + MatLab, written in pure Python.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
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.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.