Google’s Internal Apps
I guess if you really are a successful (online) applications development company, you have to use your own products internally. If you sell it, you have to believe in it, right?
Here’s a link that gives you screenshots of the tools they use for project management.
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I like the Google Projects tool they are using. Hope they can allow users like to have access to tools like that soon.
From the looks of the screenshot, it really looks useful for collaborative projects. Currently we are using Atlassian Confluence (http://www.atlassian.com/software/confluence/). While confluence is useful, it really is just a wiki tool (general documentation) with cool plug-ins.