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.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
WebRSS - RSS Widget - RSS to HTML - Display RSS for Free with Web RSS
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
FiveFilters Feed Creator - Create feed from elements (e.g. links) extracted from a given web page
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.