Swamp Optics offers GRENOUILLEs and custom FROGs for sale at very low prices. These devices also measure the beam spatial profile, pulse-front tilt and spatial chirp.

Kenneth Delong, one of the original developers of FROG, has founded Femtosoft Technologies. The site contains a record table of the world's best FROG errors and other additional FROG related information, as well as information about commercial FROG software and consulting services.