Choosing the right cms for your blog is crucial because it sets the tone of how you work and the level of flexibility available on that cms, be very careful while choosing a cms if you aren’t sure just go with the most popular one because that way even if you don’t get how it works theres a huge support community ready to help you out!
Here are the top blogging platforms available!
Wordpress
WordPress is a state-of-the-art semantic personal publishing platform with a focus on aesthetics, web standards, and usability. What a mouthful. WordPress is both free and priceless at the same time.
Movabletype
It’s easier than ever to publish and share information with Movable Type. With more than 50 new features, MT4 makes it simple to start a blog, manage entire websites and build an engaged community of readers and customers.
b2evolution
A blog script featuring multiple blogs, categories/sub-categories, skins, search function, multiple languages, search engines friendly URLs
Nucleas
A powerful blog script featuring multiple blogs, multiple authors, drafts and future posts, bookmarklets.- Mambo or Joomla
These are two of the most powerful Open Source Content Management Systems on the planet. It is used all over the world for everything from simple websites to complex corporate applications. Joomla! is easy to install, simple to manage, and reliable.
But if you don’t want to host the blog yourself you can always choose a free blog hosting service such as:
- Wordpress
Wordpress with its famous blogging platform also offers free hosted blogs that you can use to blog with tons of plugins and themes available you can’t go wrong with this! 
MSN Live Spaces
Live spaces is a great free blog hosting service offered by msn with tons of great profile features and a powerful blogging platform.
Blogger
Blogger is a free blog hosting service provided by google with some great profile features and a powerful and safe blogging platform.
Vox
Blogging is fun again. With powerful privacy controls and hundreds of beautiful designs, Vox is a great place to build your online neighborhood. Add seamless integration with popular web services like Flickr and YouTube, and we think you’ll agree that…
Blogates
Blogates is a free, web-based tool that helps you publish to the web instantly — whenever the urge strikes. Blogates is an upcoming hosted service providing powerful tools for creating full-featured weblogs. Built in response to the needs of webloggers, online diarists and writers.
Aeonity
Aeonity Blog is a Free Blog Hosting Community where you may publish information instantly on your website and customize your blog to fit your personality. It basically works like an online journal, diary, weblog, or notepad and requires little or no technical background to update and maintain.
