SWEET has an interactive GUI frontend as well as a file backend. This was used to generate the following images and videos:

Shallow-water equations on the plane

Galwesky-like benchmark on plane (unstable jet)

Polvani tests

See more examples here.

Shallow-water equations on the sphere

Galewsky benchmark

Propagating Gaussian bumps on rotating sphere

Burgers equation on the plane

Propagation of Gaussian bump for different viscosities

Separate site available here