Actor-based state management & orchestration for complex app logic.

Durable Rules Engine

QP/C Real-Time Event Framework/RTOS implements event-driven Active Object (Actor) model combined with Hierarchical State Machines. Specifically designed for embedded systems (e.g., ARM Cortex-M MCUs).

Go library for creating finite state machines

write beautiful state charts 🙀

Hierarchical state machines for designing event-driven systems

Powerful Kotlin Multiplatform library with clean DSL syntax for creating complex state machines and statecharts driven by Kotlin Coroutines.

QP/C++ Real-Time Event Framework/RTOS implements event-driven Active Object (Actor) model combined with Hierarchical State Machines. Specifically designed for embedded systems (e.g., ARM Cortex-M MCUs).

Statechart library and editor

There is no state but what we make. Feel free to pitch in.

An Event-Driven, Asynchronous, Behavioral State Machine Library for ROS (Robotic Operating System) applications written in C++

Create state-machine-powered LLM agents using XState

Human-friendly, hierarchical and serializable state machines for games and apps in C#.

YAKINDU Statechart Tools (http://www.statecharts.org)

QP-nano real-time embedded framework/RTOS for embedded systems based on active objects (actors) and hierarchical state machines

"Low ceremony" graphical modeling and code generation tool based on QP frameworks and Hierarchical State Machines (UML Statecharts)

C++ StateChart Library

The ThingML modelling language

A wrapper for xstate that stores state, handles transitions, emits events for state changes and actions/activities, and includes an optional reducer framework for updating state and invoking side-effects

ScxmlEditor - powerful tool for creating, editing and debugging scxml files