Absolutely, you've made something new you want to show us that we can try out. dang once posted some tips about making these types of submissions https://news.ycombinator.com/item?id=22336638 I'd recommend reading first though.

Edit: Also https://hn.algolia.com/?dateRange=all&page=2&prefix=true&que... for the most popular Show HNs. Don't be discouraged we like personal/open source projects most often, Obsidian made #1