Take a look at <a href="https://news.ycombinator.com/showhn.html">https://news.ycombinator.com/showhn.html</a>, Show HN is for something you've made people can try which excludes most reading material. You can post those as regular submissions.<p><i>Off topic: blog posts, sign-up pages, newsletters, lists, and other reading material. Those can't be tried out, so can't be Show HNs.</i>