* [bpmn-js Token Simulation v1.0.0](https://github.com/bpmn-io/bpmn-js-token-simulation) – BPMN 2.0 specification-compliant token simulator as a bpmn-js extension.

* [Altair 8800 Simulator v1.5.0](https://github.com/wixette/8800-simulator) – Altair 8800 emulator with a working front panel, Intel 8080 CPU, simulated ASR-33 Teletype, and in-browser debugger and program loaders.