Stockpile - Stockpile is a free online inventory system for small business and at home uses.
Xero - Xero is online accounting for your small business.
Snipe-IT - Managing assets with a Google doc or a shared Excel spreadsheet is more common than you think.
Monzia - Monzia can help you save money, relieve stress and make time for the fun things in life.
PartKeepr - PartKeepr is an open source inventory management system that you can alter according to the particular requirements of your business or of the area from where you are operating.
GnuCash - A personal and small-business financial-accounting software, licensed under GNU/GPL and available for Linux, Windows, Mac OS X, BSD, and Solaris.