Xero - Xero is online accounting for your small business.
Monzia - Monzia can help you save money, relieve stress and make time for the fun things in life.
Gimbla - Free Accounting software for small to medium size businesses. Easy to use and fast.
GnuCash - A personal and small-business financial-accounting software, licensed under GNU/GPL and available for Linux, Windows, Mac OS X, BSD, and Solaris.
QuickBooks - Business runs better with QuickBooks, the #1 accounting solution for small business.
Vosae - Don’t ignore the changement. Vosae is a powerful application for your daily company management.