Free and Open Source Invoicing, Expenses & Time-Tracking
Open source ERP and CRM web software for business
Enterprise project management replacement for Project Server
Accounting system for smaller companies written in GnuCobol.
Free and Online Accounting Software
Fast, modular open-source CRM for growing businesses
Professional financial tools: 16 sections with text and visual reports
The Free & Popular Akaunting Web Software in Complete Virtual Machine
Desktop and mobile solution for invoicing
A super simple way to create & send invoices, receive payments online
JEE based Accounting web-application.
Baraza Business Management System, a product of Openbaraza
The Open Source Invoice Management Software
Simple Linux Desktop program to keep track of costs