Name Category Description
chromium www-client Open-source version of Google Chrome web browser
firefox www-client Firefox Web Browser
nodejs net-libs A JavaScript runtime built on Chrome's V8 JavaScript engine
qtwebengine dev-qt Library for rendering dynamic web content in Qt5 C++ and QML applications
seamonkey www-client Seamonkey Web Browser
spidermonkey dev-lang SpiderMonkey is Mozilla's JavaScript engine written in C and C++
thunderbird mail-client Thunderbird Mail Client

Thank you!