Perlin Noise is a very interesting topic. It's can be used anywhere from landscape generation to unique texture generation, and other more far-reaching areas. With my interest in game development and graphics, it seemed like a perfect topic to try and gain a better understanding of by writing a small C# application to accomodate simple perlin noise texture generation. I often use this tool for test-case heightmaps in other 3D projects, such as my 3D Voxel Renderer.

The application is completely free to the public for any use.

Windows (requires .NET Framework)
Download Perlin Noise Generator (.zip) [under 10 KB]