phpBlogger is an open source Microblogging Script that you can download and use for free. Features of phpBlogger: - Search engine friendly urls. - Full template driven (Smarty PHP Template Engine). - Google Adsense Integration. - Advanced caching for high traffic sites. - Stop Forum Spam Integration.

Chirp:The Microblog is a Twitter clone written in PHP and MySQL. It resembles the original twitter before twitter started resembling facebook. Chirp is a quick and easy, very user friendly microblog. Features of Chirp: The Microblog:- User areas- Public profiles support- Full theme support- Multi-language support- Friends list- Direct messaging- Emoticon supportRequirements:- PHP 5.2 or Higher- MySQL 5.1 or Higher- ...

This is an Open Source blogging platform, which allows an user to write his thoughts and publish them online.Features of PHP MicroBlog Free:- Manage user details- Manage categories- Add/edit posts- Automated installer- Admin panelRequirements:- PHP 5 or Higher- MySQL 4.1 or Higher

StatusNet is an open source micro-blogging platform which allows people in a community, company or group to exchange 140 character long messages over the internet. Users can choose which people to follow and receive only those status messages. It provides a similar service to sites like Twitter, Plurk or Jaicu. Status messages can be sent to mobile phones, instant messenging ...