ThinkUp is an open source web application that captures users' posts, tweets, replies, retweets, friends, followers and links on social networks like Twitter and Facebook. ThinkUp allows users to store their social activity in a database, making it easy to search, sort, analyze, publish and display activity from their network.
ThinkUp’s API exposes the data stored by a given ThinkUp installation for use by other applications or mashups. The API provides methods to retrieve information about posts, such as replies, retweets, user mentions, and hashtags. It uses RESTful protocol and responses are formatted in JSON.