Self hosted RSS/Atom aggregator, supporting multi-user and anonymous
modes. It also boasts a number of other powerful features:
- Instant push notifications from compatible sources, such as
  Mastodon, Friendica, WordPress, Blogger, FeedBurner, etc.
- Basic Web scraping, based on XPath, for Web sites not providing
  any RSS/Atom feeds.
- Custom tags and extensions for further tuning.
