OpenFin is a desktop runtime environment for running html5 applications outside of a browser. It it is based on a Chromium currently and is being migrated to Electron. All HTML5/JavaScript/CSS that works in Chrome/Chromium should also work in OpenFin.
OpenFin is the leading provider of HTML5 runtime technology for the financial industry. The world’s largest banks and trading platforms use OpenFin to run high-performance, multi-window HTML5 applications on financial desktops. The company’s patent-pending software is based on Google’s Chromium open-source project and purpose-built to meet the security and performance needs of real-time financial applications.