Ionic

ionic.io

Ionic is an open-source UI toolkit and developer platform that makes it easy to build, test, and deploy high-performance apps for any platform or device using a single codebase. With Ionic, users can target multiple platforms like iOS, Android, Desktop (w/ Electron), and the web as a Progressive Web App, all with one codebase and open web standards. Ionic was founded in 2012 and is headquartered in Madison, Wisconsin.