Would you recoomend this project?
Katapult is an application for KDE, written in C++, designed to allow faster access to applications, bookmarks, and other items. It is plugin-based, so it can launch anything that is has a plugin for. It was inspired by Quicksilver for OS X.
You can download file releases of Katapult project from List of release files
System RequirementsOperating System: POSIX (Linux,BSD,Solaris etc..)
List of release files