The Twitter Java Library by Twitter4J is an unofficial Java library for the Twitter API.
The library allows for integration in Java applications with Twitter services. Twitter4J is an unofficial library written in Java.
The Swipp API allows developers to integrate Swipp's "Social Intelligence" into their sites and applications. Public information is not available on the API; interested parties are asked to email firstname.lastname@example.org. Once available the APIs will "make it possible for people to interact around any topic imaginable."
Word of mouth is a powerful marketing tool, and businesses (not to mention the consumers), can benefit greatly from helpful reviews. Popyoular is an editorial review-based recommendation and discovery platform. It's aimed specifically at film, music, books and games. The idea is to connect a website's good content with trusted reviews and opinions about that content, helping to keep users engaged and directing them to things they may otherwise have overlooked. Popyoular's API makes it possible for developers to integrate this functionality into any other website.
The business social network LinkedIn is shutting off access to its LinkedIn API for one company over what LinkedIn calls a terms of service violation. Headhunting app Pealk released a notice that it "will be no more" by next week. It raises the importance of reading the legal details, as well as the different definitions of open.