Dolphin is a free and open source file manager included in the KDE Applications bundle.

Under previous K Desktop Environment versions, Konqueror had served both as the default file manager and web browser.

However, for many years users had been critical of Konqueror as being too complex for simple file navigation.

Under KDE SC 4, Dolphin was streamlined for browsing files, while sharing as much code as possible with Konqueror.

[6] This is now complete and a Frameworks 5-based version was released as part of KDE Applications 15.08 in August 2015.