I have a problem as an OSS developer. If I am doing my "job" right, producing easy to use, functional and useful, I am never going to hear from the users.
In ALT.Net Israel and in several other engagement lately, it has come to my attention that a lot more people using some of my projects than I ever assumed. I know that a lot of people are using Rhino Mocks, and this week I found a lot more big users of NHibernate than I knew off, but I wasn't really surprised. I know that Rhino Commons and Rhino Security are used in the wild, because I get questions about them often (Rhino Security much less than Rhino Commons, but it is there).
What surprised me was learning that there are people out there using Rhino ETL, Rhino Igloo (and presumably, in time, Rhino Queues). I don't think that I have ever seen a single question about them, but in the last two weeks, I had heard (in passing!) a few people mentioning that they are using that.
I was very surprised.