Glimmer - Fast and light-weight UI components for the web
Calendly - Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.
Preact.js - Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.
Meetingbird - Powerful meeting scheduling and notes — right in your calendar
Svelte - Cybernetically enhanced web apps
Clara - Clara is a virtual employee that schedules your meetings, getting you to the work that matters, faster.