Preact.js - Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.
Workday - Workday is an on‑demand financial management and human capital management software solution.
Inferno - An extremely fast React-like javascript library for building modern user interfaces.
BambooHR - Personalized HR software for SMBs
Glimmer - Fast and light-weight UI components for the web
Paychex Flex - Paychex Flex is a tool that reduces the complexity and risk of running your own payroll while ensuring greater accuracy with-up-to-date tax rates and regulatory information.