Certiflex Dimension  
   This second generation Windows solution is an interactive accounting system designed for the professional accountant responsible for client review, reporting and auditing.
   http://www.clientwrite-up.com/

Howell Client Accounting  
   Offers client accounting program for Windows and DOS. Features trial download and support information.
   http://www.howellsoftware.com/

CPASoftware  
   Offers a full suite of products for CPAs and Accountants including practice management, client write-up, and payroll.
   http://www.cpasoftware.com/

Proacc  
   Software for accountants in practice.
   http://www.proacc.co.uk/

PC Software Accounting, Inc.  
   Windows based software for accounting firms.
   http://www.pcsai.com/

Sana Software Inc.  
   Multi-client accounting system for CPAs and accounting professionals.
   http://www.sana.cc/

OK Accounting Systems and Software  
   Download free demonstration of CPA Client software, tour screen shots, features, FAQs.
   http://jove.prohosting.com/oasys/

Creative Solutions Client Write up  
   System that includes after the fact payroll. Modules such as bank rec, live payroll, and asset depreciation are add-ons.
   http://www.creativesolutions.thomson.com/write-up/

CYMA Client Write up  
   System for small CPA and accounting practices.
   http://www.cyma.com/products/cwu.asp

Digital Labs  
   System includes write up, asset depreciation, live payroll, and time and billing. For small to mid-sized firms.
   http://www.clientwriteupsoftware.com