Mashups
Have a look at some of the ways people have put the PostRank API to work doing research or enriching their own applications.
NewsGator Online
NewsGator has made NewsGator Online's already-rich feature set even more powerful with PostRank. Whether you're managing existing subscriptions or adding new ones, sort stories by PostRank score to instantly be able to Read What Matters.
Google Reader extension for Firefox
Add PostRank to your favourite feeds by installing our Google Reader extension. View PostRank scores for all of your feed items. Compatible with both Firefox 2 and 3.
Read It Later
Read It Later enables you to banish bookmarking for items that are for one-time reads and save pages of interest with one click. Whether you're online or offline, Read It Later can be accessed in any browser -- desktop or mobile -- and enables easy syncing of your list across multiple computers or devices. Offering unparalleled information management access, sort by date, site, title, and tags, and, of course, by PostRank! Bulk manage all those tabs you've been keeping open with one click, and share your list items with others.
Daisy Feed (IPhone)
Daisy Feed is a PostRank-powered feed reader for the iPhone and iPod Touch. With Daisy Feed you can display PostRank-filtered items for all your favorite feeds with one touch - and it's free! (iTunes App-Store link)
Trawlr
Trawlr does it all. Use it as your web-based RSS reader, add and sort new feeds with its rich subscription management feature set. Use it as a lifestreaming hub, bringing together many of your online activities into one place. Or put it to work as a discovery engine to find great new stuff by exploring other users feeds, tags, or the trawlr spy to see recently added items.
Feedoor
Feedoor allows you to filter your feeds with PostRank, widgitize them, interact with each post, track hits and subscribers, wrap them in stylish themes, publish with many tools and even more - give it a try!
FeedBlitz
FeedBlitz allows the user to subscribe to PostRank filtered feeds via email, Skype, Google Talk, Twitter, and an entire collection of other delivery channels. And for the publisher, it helps to automate newsletter publishing, and intergrates PostRank to allow further customization for the end user.
Optimal publishing times
Ever wondered why one of your posts goes viral while another one that you poured your heart and soul into gets no love? Jake Luciani analyzed thousands of posts from a number of social sites to determine when the best time was to publish blog posts for maximum traffic and attention.