The Open Source Invoice Management Software
Simple budget manager for your needs.
Application for tracking customers, clients, accounts, etc. PHP/MDB2
Mutasyon is a script can add customer, products, inventory or invoice
PHP Stock Inventory Management System - POS
ShelterOps - Animal and Wildlife data management software
C++/C library to construct Excel .xls files in code.
A portfolio-optimizer using Markowitz(1952) mean-variance model
jBilling is a web-based enterprise billing system.
VoIP billing
Carting Management System
Shows how Money is created, interest side-effects and solutions
A complete invoice managment solution for Elastix PBX
A Wallet Management Application
Captures time & expense by project and account; generates invoice
Personal finances for freelancers with connectivity with your Dropbox.
It's a class library that implements functions for working with curren
Technical indicators in Python
Intuitive quote, delivery note, invoice, payments management app
Cash register, pricing and reports for retail & consignment businesses