Although not as popular as other programming systems, Forth has enough support to keep several language vendors and contractors in business.
Limnor Studio uses a plug-ins system to allow different visual programming systems to work together.
Physical Etoys is a visual programming system for different electronic devices.
Since then, Gecode has rapidly become one of the most prominent constraint programming systems.
The company's product was a parallel flow-based programming system called Orchestrate.
Its programming system also had an early version control system.
The masks created are, among others, used for application tests and commissioning during online operation of the programming system.
It includes an external programming system used by a doctor to change stimulation settings.
The goal is to build and support a mental model that correctly represents modern object-oriented programming systems.
Extensible programming systems should regard programs as data to be processed.