<<The Google Solutions Marketplace links customers to vendors whose solutions integrate and extend Google's communication, collaboration, and enterprise search products.>>

google.com/enterprise/marketpl ...

TechCrunch writes:
<<It replaces a simpler Enterprise Solutions Gallery that Google had before. While Google won’t be hosting the apps (it is just a free listings service), companies can create their own product profiles. Customers can search for Google-related enterprise apps all in one place and rate them. Google needs to create momentum around its enterprise products so that smaller companies will want to develop add-ons and create businesses around them. Right now the offerings seem pretty thin.>>
techcrunch.com/2008/04/09/goog ...

Now it is in your Google Account page.

Yup, I noticed it in my account tonight. Just from viewing the page.