Free Desktop book-keeping software for small-businesses & freelancers
Free and Open Source Invoicing, Expenses & Time-Tracking
Accounting system for smaller companies written in GnuCobol.
Free Invoice & Billing Software for Windows, Linux & Mac
Accounting & Best Practice Business Administration System
Ultimate Zero-Budget Revshare Solution for Indie Teams
Free & Open Source Invoice App for Freelancers & Small Businesses
Centralized signing and verification
A super simple way to create & send invoices, receive payments online
Generate professional invoices and business letters directly online
Building High Quality ERP and Accounting Software for SMB & SME
Baraza Business Management System, a product of Openbaraza
The Open Source Invoice Management Software
Mutasyon is a script can add customer, products, inventory or invoice
jBilling is a web-based enterprise billing system.
Captures time & expense by project and account; generates invoice
A tool to convert an exported text file from one format to another.