A pure PHP library for reading and writing spreadsheet files
Accounting & Best Practice Business Administration System
Bitcoin Alts portfolio tracker, email / text / alexa / telegram alerts
A basic PHP/MySQL/HTML Billing APP. Meant for developers learning.
Company administration manager
Small Business Appliance
A framework agnostic, multi-gateway payment processing library
Tool to manage canteen, nursery and events registrations of a school.
Open-source online accounting software in PHP and MySQL
How Programmers Can Earn Pocket Money Elegantly, Version 2.0
Open Source Microfinance Suite
Excel to Tally
its complete accounting system for small scale manufacturing companies
PHP Stock Inventory Management System - POS
Mutasyon is a script can add customer, products, inventory or invoice
ShelterOps - Animal and Wildlife data management software
Free web-based invoicing primarily for Finnish companies