Michael R. Sweet is a computer scientist known for being the original developer of CUPS. He also developed , was the original developer of the Gimp-Print software (now known as Gutenprint), and continues to develop , HTMLDOC, , , and many other projects. Sweet has contributed to other free software projects such as FLTK, , and Samba. He co-owned and ran Easy Software Products (ESP), a small company that specialized in Internet and printing technologies and is now the Chief Technology Officer of .