SMOB is a Semantic MicroBlogging framework that enables an open, distributed and semantic microblogging experience based on state-of-the-art Semantic Web and Linked Data technologies.
Sprouter facilitates networking and collaboration between entrepreneurs globally. Providing a platform for users to connect with other innovators, entrepreneurs can expand their networks as well as discover and join events in their local areas, start discussions and follow topics of relevance to their business.
A Social Network for Microblogging (up to 155 characters) or Macroblogging (240-1440 characters). Choose categories upon sign-up, feature your fans and following, add keyword text links to business photo gallery, plus so much more.
Sneebly.com is a FREE “micro geo-blogging” site where you can send 120 or less character updates based on a set location.
Edmodo is a private micro-blogging platform built for use by teachers and students for use in the classroom.
HorseTweet provides a one stop shop for equine enthusiast to find events and news.
Tinker.com aggregates and curates social media conversations and activity around popular topics, news, people, conferences and events. By tracking applicable keywords and #hashtags, Tinker centralizes relevant conversations from Twitter, Facebook, FriendFeed, Flickr, YouTube, and other micro-blogging platforms and allows users to stay on top of important topics and follow trends of interest to them.
KriKri is a microblogging platform for Spain.
Identi.ca is a micro-blogging service based on the free software Laconica tool.
Plurk is an emerging social communication platform that lets users send short status updates of up to 140 chars to friends and family on a timeline.