SilkeLenz

Twitalyzer is the Social Media industry's most popular, most widely used analytics application. Used by over 400,000 people, Twitalyzer is changing the way that businesses and individuals think about their investment in Twitter and other short-messaging services.

BlogPulse is an automated trend discovery system for blogs. Blogs, a term that is short for weblogs, represent the fastest-growing medium of personal publishing and the newest method of individual expression and opinion on the Internet. BlogPulse applies machine-learning and natural-language processing techniques to discover trends in the highly dynamic world of blogs. BlogPulse is brought to you by Nielsen. BlogPulse.com is a blog search engine that also analyzes and reports on daily activity in the blogosphere. Offers a Search Engine for blogs, a set of Buzz-Tracking tools that are applied to blog content daily to track blog activity on key issues, people, news stories, news sources, bloggers and more, Trends- and blog-statistics, Blogger Profiles that identify top-ranked blogs and analyze their blog presence, activity and relative influence in the blogging world. Also lots of tools for bloggers are offered.

Social Mention is a social media search and analysis platform that aggregates user generated content from across the universe into a single stream of information. It allows you to easily track and measure what people are saying about you, your company, a new product, or any topic across the web's social media landscape in real-time. Social Mention monitors 100+ social media properties directly including: Twitter, Facebook, FriendFeed, YouTube, Digg, Google etc.