base budget:
Excellent web-based project management software (Basecamp) + integrated budgeting information (Base Budget) = Perfect tool for software developers. (see blog)
(status: nearing beta release)

issue camp:
During testing and post-deployment of your web sites/apps: issue tracking directly to Basecamp.
(status: in development)

mokup:
Simple tool to deliver screenshots of your web site/app concepts to clients, and allow them to jot notes to you regarding each one.
(status: in development)

formfill:
Fill in forms automatically during testing.
(status: in development)