Help and Documentation:

We use a great product called Help & Manual. Check out all the cool and useful features on their web site for creating application documentation. www.helpandmanual.com

Bug Tracking and Project Management:

OnTime 11 handles all our needs and more. http://www.axosoft.com/

Windows Controls:

All the advanced controls we use are from Dev Express. The best full suite out there. http://www.devexpress.com/

Code Developement:

Microsoft Visual 2010 C#

Database:

SQL 2008 and CE 4