Open Source Point of Sale is a web based point of sale application
Free and Open Source Invoicing, Expenses & Time-Tracking
Kimai is a web-based multi-user time-tracking application
A pure PHP library for reading and writing spreadsheet files
Open-source, self-hostable personal subscription tracker
Time-Tracking for companies and teams with up to 250+ users
Accounting & Best Practice Business Administration System
Free and Online Accounting Software
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
Free & Open Source Invoice App for Freelancers & Small Businesses
A framework agnostic, multi-gateway payment processing library
Tool to manage canteen, nursery and events registrations of a school.
How Programmers Can Earn Pocket Money Elegantly, Version 2.0
Open Source Microfinance Suite
PHPawn is a web-based and visual basic pawnshop program.
Free PHP Codeigniter Expense Manager (management) Script
its complete accounting system for small scale manufacturing companies
Application for tracking customers, clients, accounts, etc. PHP/MDB2
PHP Stock Inventory Management System - POS
Mutasyon is a script can add customer, products, inventory or invoice
ShelterOps - Animal and Wildlife data management software