Django friendly finite state machine support
Finite State Machine for Go
State machines and statecharts for the modern web
Finite state machines for building accessible design systems and UI
AO RTOS is small real time OS based on Active Object concurrency model
A library to handle coroutine and green thread in C
A C++ framework that implements generalised finite state machines.
A graphical Finite State Machine (FSM) designer.
Enhanced Korat supports GUI, FSM, JUNG and JSON.
C++ inline state machine library
Analysis tool that generates method call graphs