RSSBud is a free and open-source tool designed to help you discover and subscribe to RSS feeds from various websites and apps. With this tool, you can stay up-to-date with all the content you love.

One of the key features of RSSBud is its ability to detect RSS feeds in web pages. Whether you're browsing a news article or a blog post, RSSBud can uncover the RSS feed associated with that page. Additionally, it can detect RSSHub feeds that are appropriate for web pages, supporting all the rules of RSSHub Radar.

RSSBud goes beyond just detecting feeds. It also helps you discover other relevant RSS feeds based on the web pages you visit. Powered by RSSBud Rules, this feature ensures that you never miss out on any interesting content.

The tool is specifically optimized for mobile environments, automatically expanding URLs and adapting to mobile sub-domains. It offers a share sheet extension for quick sharing of your favorite feeds and allows for fast subscription to major RSS readers like Reeder, Fiery Feeds, and Ego Reader, as well as the system default RSS reader.

RSSBud also provides support for web clients of popular RSS services like Tiny Tiny RSS, Miniflux, Fresh RSS, Feedly, Inoreader, Feedbin, The Old Reader, and Feeds Pub. You can easily edit parameters for RSSHub feeds to suit your needs.

One of the standout features of RSSBud is its automatic updating of rules. This ensures that you always have the latest and most accurate information.

For users who want to take their RSS experience to the next level, RSSBud supports x-callback-url, allowing you to integrate it with the Shortcuts app and unlock a world of possibilities.

With its user-friendly interface and customizable options, RSSBud offers a fluid and gratifying user experience. Best of all, it's completely free and open-source, guaranteeing reliability and transparency.