GRF Editor for OpenTTD?

[Farias.Dreamliner]

Don't know if this had been asked before... sorry if so... I want to make a GRF file for OpenTTD, bot i can't find any programs for this, i want to know if there is a program (like GRFWizard) that works on OpenTTD...

[LordAzamath]

The grf that GRFWizard produces (with help of grfcodec, which is NOT so hard thing) works in Open too.
hmm after thinking it, if you have succeeded making nfo, then it's not hard to download GRFCodec and in command lin

grfcodec -d mygrf.grf

Lord