Glimmer - Fast and light-weight UI components for the web
Threadbeast - Threadbeast is a subscription-based online shopping store that allows you to get to personalize the box with amazing stuff.
Preact.js - Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.
Five Four Club - A curated wardrobe for every season, delivered to your door
Svelte - Cybernetically enhanced web apps
DelivApp - Software for managing online ordering, delivery and loyalty for multi-unit restaurants