Elliot

observable-slim. Observable Slim is a singleton that utilizes ES6 Proxies to observe changes made to object graphs. Originally built to assist with state management, one-way data binding, and any situation where an application must be reactive to data store changes.

js-replay. jsReplay is a record and playback tool used for in-browser functional regression testing.

nimbly. Nimbly is a JavaScript component framework for single page applications.