Have you looked at ERPNext? It is Open Source - http://github.com/webnotes/erpne...

		anandpdoshi on Oct 16, 2013 \| parent \| context \| favorite \| on: Manager.io – Free accounting software for small bu... Have you looked at ERPNext? It is Open Source - http://github.com/webnotes/erpnext Though it is an ERP, you can just use the accounting and sales modules and hide the rest. (I am a developer at erpnext)