Harri Porten (born 1972) is a software engineer. Porten, a KDE developer and former Trolltech employee, is the CEO of Froglogic, a consultancy company related to Qt development. He lives in Hamburg, Germany. Porten originally wrote the KJS JavaScript engine for Konqueror, the KDE project's file manager and web browser. KJS was eventually used by Apple as the basis for JavaScriptCore. He also contributed to the development of KPPP, the KDE project's Internet dialer. Porten took part in the development of Qt, a GUI toolkit used by Windows, macOS, and X11 developers. His company Froglogic is known for Squish, a professional cross-platform automated GUI testing framework for applications written using Qt.