It's great to see Eduforge have its own blog, and see that Stephen Downes featured it. There are some great Open Source projects here that we use in our district, like Elgg, and we're watching others, such as ePortfolio.
I'm one of the project leaders with DART, a standards tracking toolkit for measuring student progress. It does this very well in a "continuous progress" approach that will work for tracking progress toward almost any goal (state or school standards, professional or vocational certification, etc....