Check out this web site for aggregating feeds. You can create a website using TINT to pull together any feeds and organize them into a central hub.
tintup.com says the following about their product
A self-service platform that allows organizations to create social hubs in minutes. Engage audiences anywhere.
Connect any social feeds & hashtags
Pull user generated and branded content into one place from over 10 social networks.
It’s easy to change themes, colors, and add custom CSS for an elegant design.
Approve or reject posts from any device to control content instantly.