OpenFormula is being developed by representatives from many different implementors, working together, including OpenOffice.org and Sun StarOffice (Eike Rathke), KDE KOffice (David Faure and Tomas Mecir), Gnumeric (Dr. Andreas J. Guelzow and Jody Goldberg), IBM/Lotus 1-2-3 (Rob Weir), and wikiCalc (Dan Bricklin, co-creator of the spreadsheet).