Grisbi - Accounting for everyone !

SPS Commerce Analytics - SPS Commerce Analytics helps transform messy item and sales data into insights to help meet consumer demand and boost profit.

Ledger-cli.org - Ledger is a powerful, double-entry accounting system that is accessed from the UNIX command-line.

Wiser - Share relevant content w/in your organization.

Gnuaccounting - Gnuaccounting is a Free Java cross-platform accounting and bookkeeping application. Features

RQ - RQ by iQmetrix is a cloud-based retail management system for your business that allows you to manage every aspect of your business from inventory, staff, and sales.