Donjon Fractal World Generator

[four]

http://donjon.bin.sh/world/

This is a great tool for designing earthlike worlds. Surprised I haven't seen it posted here yet...

[stevebowers.]

That is a nice generator; I used it as part of the process to create the texture for New Mars.

It is included in the OA Worldbuilding links page (under Scifi World Generator)
http://www.orionsarm.com/page/310