I open sourced a little app about 5 years ago, saying "I'm done with it, here's all the source, released to the public domain, no license terms, do as thou wilt. Here are clear instructions for the (free) tools that you need to build it, and here are step-by-step build instructions. Good luck."
To this day, I still get both polite request and bare faced demands to implement features X, Y and Z. As far as I can see, not one of the sponging mongs has taken it upon themselves to pick up the ball and do their own build. You just can't help some people to help themselves.