Feedity - Create RSS feed for any webpage or podcast. Extract data and turn dynamic websites into spreadsheet or API. Feedity is an online RSS feed generator and podcast feed builder tool. Display feeds on website.
FiveFilters Feed Creator - Create feed from elements (e.g. links) extracted from a given web page
Feedio - Feedio helps bloggers manage and grow their email and RSS subscribers.
PolitePol - Online tool for creation of RSS feeds for any web page
Feedly - The content you need to accelerate your research, marketing, and sales.
RSS.app - Monitor the web the way YOU want to.