Based on our record, RSS.app seems to be a lot more popular than xmllint. While we know about 62 links to RSS.app, we've tracked only 2 mentions of xmllint. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I strongly recommend adding a schema validator to anything that generates XML. ATOM¹ has a nice schema available² that you can use at the end to check the whole thing (I use xmllint³, since it is in a lot of package repositories). Another nice thing about ATOM compared to RSS is that it has the xml:base attribute, which means you do not need to rewrite relative URLs into absolute ones. You can use recode's⁴... - Source: Hacker News / almost 3 years ago
There is also pup. Or if you want to go with a lot more options with xmllint. Of if you want just to render the html in your terminal. Source: about 3 years ago
I tried rss.app but it's very slow to update, I need a feed that notifies me within a minute. Source: 5 months ago
I want to create an RSS for an imageboard that doesn't have an RSS feed, are there any RSS generators out there like rss.app that is free just for one feed creation? Source: 11 months ago
I tried adding 'https://thehackernews.com/feeds/posts/default' to the RSS reader but I got the same error, I tried https://rss.app to generate an RSS feed and it worked, so far this seems like the only solution anyway thanks for the suggestion I appreciated it. Source: 11 months ago
There is a subscription service calls rss.app. It can be had for as little as $9 USD monthly if paid in full for a year. Source: 11 months ago
I have a website with more than 300+ articles and we publish 3-4 articles on marketing and related industries every day. How can I distribute my content into RSS feed sources like rss.app or Feedly? Any help would be really appreciated. Source: 11 months ago
XMLStarlet - XMLStarlet Command Line XML Toolkit
FetchRSS - Generate RSS out of any website.
GNU M4 - GNU M4 is an implementation of the m4 macro preprocessor.
PolitePol - Online tool for creation of RSS feeds for any web page
Xidel - Xidel is a command line tool to download html/xml pages and extract data from them using CSS 3 selectors, XPath 3 expressions or pattern-matching templates.
FiveFilters Feed Creator - Create feed from elements (e.g. links) extracted from a given web page