Here is a list of projects that use Premake. Feel free to send me your project information and I will add you to the list (but only if you actually use Premake, please!)
wxJavaScript - A port of wxWidgets to JavaScript. It also contains an Apache module for writing server-side applications in JavaScript, a SQLite module.
Open Dynamics Engine - an open source, high performance library for simulating rigid body dynamics.
GpuCV - An open-source GPU-accelerated image processing and Computer Vision library. It offers an Intel's OpenCV-like programming interface for easily porting existing OpenCV applications, while taking advantage of the high level of parallelism and computing power available from recent graphics processing units (GPUs).
Physics Abstraction Layer - provides a unified interface to a number of different physics engines.
wx.NET - a .NET Common Language Infrastructure (CLI) wrapper for the wxWidgets GUI framework.
xMule P2P Client - a C++ filesharing program for the eDonkey network that runs on POSIX, Win32, and MacOS X.
Axiom - a fully object oriented game engine using C# and the Microsoft.Net platform to create an easy to use and powerful engine that allows for rapid development of games for various genres.