statemachine topic
workflow
Provides tools for managing a workflow or finite state machine
fsmpp2
Lightweight state machine implemented in C++
non-blocking-state-machine
A non-blocking, asynchronous Java state machine framework
state-machine
State Machine for PHP
g-framework
G-Framework 是一个基于 TypeScript 编写的实体组件系统（ECS）框架
ember-statechart-component
Statecharts as components. No classes. Pure declarative state transitions.
flexbe_app
User interface (editor + runtime control) for the FlexBE behavior engine.
LogicBlocks
Human-friendly, hierarchical state machines for games and apps in C#.
UT_Framework
Various advanced tools built for Unreal Engine 4
yasmine
yasmine - the C++ UML state machine framework