Pixlr is a Photoshop alternative, but it includes a specific "3D Extrusion" filter. It is more complex than a generator but allows for infinite customization.
Yes. If you don't trust web-based tools, you have two excellent free offline options. 3d font generator free
While many tools exist, these are the most reliable for free, high-quality 3D text. Pixlr is a Photoshop alternative, but it includes