elasticsearch-gui - AngularJS Client for ElasticSearch as a plugin.
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
ElasticHQ - Tool for ElasticSearch management and monitoring.
Firefoo - Gain power over your Cloud Firestore data with a smart GUI
Mirage - Mirage is a fast and simple GTK+ image viewer.
Tkinter Designer - Tkinter Designer was created to speed up the GUI development process in Python.