Choo

Choo is a 4kB frontend framework for building sturdy applications using event-based architecture and functional programming principles. Current stable version is 7.1.0, released periodically with a focus on minimalism. It is designed to be tiny (4KB), with a small API (6 methods), event-driven state management, and isomorphic rendering (browser and Node). Unlike larger frameworks like React or Vue, Choo emphasizes minimal tooling (e.g., works with browserify), no virtual DOM diffing (uses morphdom), and a straightforward event system. Its ecosystem includes plugins and a CLI via choo-cli.