ModelSheet Software enhances desktop modeling by augmenting, not replacing, tools such as spreadsheets. We offer dozens of unique customizable spreadsheets, and two platform products. The ModelSheet Spreadsheet Customizer enables spreadsheet users to customize spreadsheet models by filling in a simple web form, without seeing spreadsheet formulas, and without knowing anything about ModelSheet Authoring. The customizer has 26 customizable spreadsheet models. Demo: http://templates.modelsheetsoft.com/browser/browse.aspx . Videos: http://templates.modelsheetsoft.com/browser/videos.aspx ModelSheet Authoring is a SaaS product that enables users to build structured spreadsheet models, and export them as Excel workbooks or Google Docs. Models include named variables, readable formulas