Listary - Listary is a revolutionary search utility for Windows
RunAsTool - RunAsTool is a Portable Freeware and Allows standard users run a specific program with admin privileges without the need to enter the admin pass each time, you can easily drag and drop any program(s) into the UI in order to give it admin privileges
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
RunAsRob - Run application as admin or system user from a limited user account.
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.
Advanced Run - Advanced Run is a replacement for a standard Windows Run dialog.