Microblogging platforms have been springing up like crazy these days as bloggers look for easier and shorter form ways to quickly express themselves online. Lifestreaming to these platforms also become more prevalent as an aggregation of online activities. I am a big fan of microblogging platforms like Tumblr, Twitter, and Soup.io. They offer a light but powerful platform for self-expression. But there is not a one size fits all solution for every blogger. Chyrp (found deceptively at chyrp.net) offers an open source blogging platform that is more of a medium weight blogging solution.
Chyrp (formerly known as Lingua) has been a work in progress since 2004 and is categorized as a 'mynimalistic content management system' which fits nicely between Tumblr and WordPress in the blog platform category. Chyrp is driven by PHP, a little Ajax and MySQL and offers a theme and module engine to enable users to personalize a blog in anyway they would like. It can be used from anything from a personal to corporate blog or even take the place of a tumblog.
To take a test drive, check out the Chyrp demo.