DockbarX - DockbarX is a standalone dock that groups and launches applications.
UKUI - UKUI is a lightweight desktop environment based on pluggable framework for Linux and other Unix-like Distributions.
Gnome-Pie - Gnome-Pie is a circular application launcher for Linux.
Fedora - Fedora creates an innovative, free, and open source platform for hardware, clouds, and containers that enables software developers and community members to build tailored solutions for their users.
Synapse - Synapse is a semantic launcher written in Vala that you can use to start applications as well as find and access relevant documents and files by making use of the Zeitgeist engine.
GnomePanel - GnomePanel is a highly configurable launcher and taskbar for GNOME.