Free and Open Source Invoicing, Expenses & Time-Tracking
Google Sheets Python API
PowerShell module to import/export Excel spreadsheets, without Excel
Open Source Openbravo POS convert to Commercial Retail ERP and POS
Converts simple lists of lots and sales into a TXF file
A foreign exchange rates and currency conversion API
stylefmt is a tool that automatically formats stylesheets
A tool to convert an exported text file from one format to another.
Convert Alliance Access RJE files to FlexCube compatible format
128 free browser tools — PDF, image, video. No uploads, no login.