A fractal generator for Mandelbrot, Buddhabrot / Nebulabrot and Flame Fractals (IFS) with lots of options.
A 3D Mandelbulb fractal generator which can export the result as STL file for usage in renderings or 3D prints.
I always found it complicated to set the camera position in older versions of Terragen. This small program can import a terragen file, you can fly around to find a good camera position and then write it back to Terragen.
When you are not using Microsoft Outlook and somebody sends you attachments from Outlook, you might get a winmail.dat file as attachement. This is a simple viewer and extractor of winmail.dat contents.