Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
Tiny Flashlight + LED - Tiny Flashlight + LED is free to use application that can be used anywhere else, having nicely built-in functionality.
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.
Simple Flashlight - A clean flashlight with an extra bright display and customizable stroboscope.
DockbarX - DockbarX is a standalone dock that groups and launches applications.
Task Killer - Task Killer is an application which automatically forces other applications to stop which are running in the background, making you enhance your smartphone performance and battery life.