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.
Nolt - A fast & beautiful way to collect user feedback
WebRSS - RSS Widget - RSS to HTML - Display RSS for Free with Web RSS
UseResponse - Open-source, self-hosted customer feedback software, live chat and helpdesk system that you can install on your server. Organize documentation using knowledge base and get feedback from social networks with centralized system
FiveFilters Feed Creator - Create feed from elements (e.g. links) extracted from a given web page
Canny - Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.