What are some alternatives?
When comparing dmenu and Freeter, you can also consider the following products
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.
RocketDock - RocketDock is a Mac OS X dock clone.
Listary - Listary is a revolutionary search utility for Windows
Docky - . applications and managing windows easier and quicker. Docky is fully integrated into the GNOME Desktop and features a no non-sense approach to configuration and usage.
Find And Run Robot - A power-user freeware Microsoft Windows tool that lets you quickly type to find applications to launch or documents to open, and much more.
Gnome Do - Simple, sleek, swift, smart. Do. GNOME Do allows you to quickly search for many items present on your desktop or the web, and perform useful actions on those items. GNOME Do is inspired by Quicksilver & GNOME Launch Box.