billing-software-open-source topic

P-KISS-SBC - simple and stupid SIP/RTP SBC - AGPL v3 - Based on kamailio / RTP Engine

mwolff44

A simple GST invoice billing software

technodweep

Simple Invoicing application for generating Invoice as per India GST Guideline. Visit website http://jujuapps.com for more details

prithwirajbose