New ask Hacker News story: Ask HN: What not-profit-seeking project are you tinkering with this week?

Ask HN: What not-profit-seeking project are you tinkering with this week?
7 by Meekro | 5 comments on Hacker News.
Since we have an article about having fun by creating at #1 right now, I thought this would be a good time to ask: What cool project are you tinkering with this week? Please limit it to things that aren't seeking profit.