Previously listed at https://news.ycombinator.com/item?id=6247903 https://news.ycombinator.com/item?id=6247903 and https://news.ycombinator.com/lists https://ne

Previously listed at https://news.ycombinator.com/item?id=6247903 https://news.ycombinator.com/item?id=6247903 and https://news.ycombinator.com/lists https://news.ycombinator.com/lists