I actually keep a blog here http://m1kta-qrp.blogspot.com/ that details all my qrp and construction activities.

I have SDR RX build for many/most of the amateur frequencies and I am also working on a few other SDR activities.

Take a look at the blog for details  I update it reasonably regularly. Note that I tend to update project blogs so the older posts can be updated whenever work on a project progresses.