Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
PyQt - Riverbank | Software | PyQt | What is PyQt?
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Tkinter - Tkinter is a Python wrapper for Tcl/Tk that offers classes to create various graphical user interfaces.
Travis CI - Simple, flexible, trustworthy CI/CD tools. Join hundreds of thousands who define tests and deployments in minutes, then scale up simply with parallel or multi-environment builds using Travis CI’s precision syntax—all with the developer in mind.
MD Python Designer - A drag and drop GUI Designer that uses a combination of Tkinter and its own code.