CityDesk

http://www.fogcreek.com/citydesk/　（う、うぃんどうず版か。。。）

Dogfood
The term “eating your own dogfood,” in the software industry, means using the code you’re developing for your own daily needs: basically, being a user as well as a developer, so the user empathy that is the hallmark of good software comes automatically.

Joel on Software: painless software management：　http://www.joelonsoftware.com/