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.

It relies on distributed hubs that communicate each other to exchange microblog posts and subscriptions (i.e. following / followers). Anyone can install his own hub and start following other users, while SMOB also allows cross-posting on other platforms such as Twitter.

Website:  smob.me

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.

WebSite:  Sprouter.com
On Twitter:  @Sprouter

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.

Website:  Wooxie.com

Sneebly.com is a FREE “micro geo-blogging” site where you can send 120 or less character updates based on a set location.  Set your location and let people know what you are experiencing and what you are doing.  You are also able to follow the geo location time line with comments made by users at there specific location.

Website: Sneebly.com

Edmodo is a private micro-blogging platform built for use by teachers and students for use in the classroom.

The problem with traditional web 2.0 tools in a k-12 classroom environment is concerns over privacy of the students. Edmodo has been built with the privacy of students in mind.

Edmodo provides a way for teachers and students to share notes, links, and files. Teachers also have the ability to send, alerts, events, and assignments to students. Edmodo also has a public component built by allowing at the teachers discretion to post any item to a public timeline at the teacher’s discretion.

Website:  Edmodo.com

HorseTweet provides a one stop shop for equine enthusiast to find events and news.  It also provides the tools to find and befriend equinests in your local area that share your particular brand of horsemanship from Rodeo to Dressage!

It compiles information about national and local events and clubs in one easy to use tool.  It also provides a free place for you the individual to have your own space to share information, video, blogs and meet and chat with your equine friends.

Website:  HorseTweet.com

On Twitter, you follow people; On Tinker.com, you follow events, news, people and topics.

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.

Everyday micro-bloggers can use Tinker to create and curate their own personal or professional events, or to break local and national news. What’s an event? It could be anything—the Oscars, a new iPhone release, a book launch or a movie premiere—you decide. Events can be private, with invitations and permission required to join the conversation, or public social events where anyone can connect and participate. Tinker helps you promote your event by allowing you to embed a Tinker widget on your site or page. The embeddable version of Tinker helps you create conversation directly on your site and allows you to be the first to hear the latest buzz and share it with your users.

What’s more, Tinker’s trends section lets you see top events and breaking news, and charts which events are rising and growing in social popularity.

Website:  Tinker.com, GlamMedia.com

KriKri is a microblogging platform for Spain.

Website:  KriKri.es

Identi.ca is a micro-blogging service based on the free software StatusNet.

If you register for an account, you can post small (140 chars or less) text notices about yourself, where you are, what you’re doing, or practically anything you want. You can also subscribe to the notices of your friends, or other people you’re interested in, and follow them on the Web or in an RSS feed.

Identi.ca is an Open Network Service. Our main goal is to provide a fair and transparent service that preserves users’ autonomy. In particular, all the software used for Identi.ca is Free Software, and all the data is available under the Creative Commons Attribution 3.0 license, making it Open Data.

The software also implements the OpenMicroBlogging protocol, meaning that you can have friends on other microblogging services that can receive your notices.

Website:  Identi.ca

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.

Website:  Plurk.com