Free Invoice Generator - A free invoice generator for startups
Publisheet - Publish your Excel sheets to the web as dynamic web applications with formula support.
Free-Invoice.co.za - Free Invoice Software | Free online tool that helps small businesses to generate free invoices and manage their contact list. It can be used as an alternative to expensive invoicing software and online invoicing applications
SpreadsheetWEB - SpreadsheetWEB is a no-code platform that helps businesses translate their collective Microsoft Excel expertise into robust web applications with limited or no reliance on IT resources.
Invoice Template - Create beautiful looking invoices in seconds
Appizy - Convert spreadsheet to web application