For the past year or 2 I've been seeing more and more of them. However, I don't have any bookmarked, at least not yet. I found a pretty good time-waster[3] where I may end up with some. I found one here on HN[2] too....might be more. Also found a relevant question on a StackExchange[3] site.

1. http://domaintyper.com/top-websites/most-popular-websites-wi...

2. https://hackertimes.com/item?id=4920233

3. http://answers.onstartups.com/questions/18209/whats-with-sta...

Thanks!

http://crashlog.io a real time exception handler for one.