Rentsoft  http://www.rentsoft.co.uk/pcparamedics  PC Paramedics offers software to rent , a cash flow friendly alternative to ownership.

For example -

Access Microsoft™ Office Professional Plus 2007 online with a username and password through the easy-to-use myHosted Applications user interface.

KashFlow accounting - Everything else seems to be designed by accountants and for accountants and is full of confusing jargon and procedures. KashFlow was created specifically
to deal with this problem and to provide something you can use with absolutely no training.