Ultimate Zero-Budget Revshare Solution for Indie Teams
Accounting & Best Practice Business Administration System
Open source ERP and CRM web software for business
Free Invoice & Billing Software for Windows, Linux & Mac
Accounting, invoicing, inventory and payroll software for Linux
uniCenta oPOS - dynamically evolving POS project
The Free & Popular Akaunting Web Software in Complete Virtual Machine
Nonprofit Finance, Donor, and CRM System
BestBooks Accounting Application Framework (BAAF)
Desktop and mobile solution for invoicing
A full ERP system - moved to GitHub. See full description for details.
JEE based Accounting web-application.
FreelancerBooks -Project Management for Freelancers and Agencies
Expense reporting system for business
Building High Quality ERP and Accounting Software for SMB & SME
A fully functional ERP suitable for institution of any size
Free PHP Codeigniter Expense Manager (management) Script
Baraza Business Management System, a product of Openbaraza
The Open Source Invoice Management Software
Simple personal finance tracker using Spring Boot and AngularJS
jBilling is a web-based enterprise billing system.