statuspage - A simple self-hosted status page site with an API written in Django under the BSD license.
Xero - Xero is online accounting for your small business.
YUNO - YUNO is a web data driven company focussed on solving customer challenges in web data discovery and extraction space.
Wave Financial - Award-winning financial software designed for entrepreneurs.
FreshStatus - Better status pages in 1-click, FREE FOREVER
QuickBooks Online - QuickBooks Online is a Cloud Accounting for small business that can be used on iPad, mobile phone or computer to do invoicing, billing, run reports, or even pay employees online.