Open blog is a free and open source blogging platform built using the CodeIgniter PHP framework and released under the GPL v3 license. It provides users with a very powerful yet easy to use interface which makes blogging simple and enjoyable.

Features of Open blog:
- Friendly user interface: clean and easy to use user interface
- Easy to install: Open Blog comes with a PHP installer which makes installation and configuration very easy (you can get your blog up and running in just a few minutes)
- Multi language support: currently available in two languages (English and Slovene), but it can be easily translated into any language
- Templates support: you can easily change the look and feel of your blog by using Open Blog templating system (the default installation includes 5 attractive templates
- Open Source: Open Blog is being developed as open source software and released under the GPL v3 license so anyone can help improve it
- Search engine friendly URLs: all URLs are search engine friendly
- Pages: your blog can contain unlimited number of static pages (for example "About" page)
- Links: add links to your favourite websites which will be visible to other visitors
- Feed support: Open Blog supports RSS and Atom feeds for posts and comments
- Aministrator panel: powerful yet easy to use administration panel that makes administrating your blog very easy
- WYSIWYG editor: Open Blog includes TinyMCE WYSIWYG editor which makes formatting your posts and pages very simple
- Check for updates: you can use the "Information" page on your administrator panel to check if a new version of Open Blog is available
- Plug-ins: you can extend the functionality of your blog by developing or using one of the already developed plug-ins