MailChimp - MailChimp is the best way to design, send, and share email newsletters.
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.
Feedly - The content you need to accelerate your research, marketing, and sales.
WebRSS - RSS Widget - RSS to HTML - Display RSS for Free with Web RSS
follow.it - follow.it gets publishers more followers & recurring traffic, and provides a better reading experience for followers
FiveFilters Feed Creator - Create feed from elements (e.g. links) extracted from a given web page