Fuse - Fuse is a UX tool suite for mobile app designers and developers.
Deku - Functional view library for building UI components as an alternative to React
GoodBarber - GoodBarber is a mobile app creation platform.
Preact.js - Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.
Bizness Apps - Create your own app or become a reseller and build apps for others
Glimmer - Fast and light-weight UI components for the web