CNGSoft (César Nicolás González) is the Spanish programmer who has been writing and releasing versions of the emulator CPCE since August 1st 1997.
His most quoted excusatio non petita is "English isn't my first language, I apologize for using it so poorly."
He have made a very interesting tool for the CPC, LZ2PACKER, a [self-extracting archive], as seen in this binary [JSW2]. (Cleanup: Where is the tool itself?)