I am developing a wepapp on CodeIgniter, a small portion of the website will need CMS capabilities so the client can update content themselves.

I have looked around for CMS solutions for CodeIgniter, after poking around on major CI-CMS websites, I've reached some conclusions.

- [PyroCMS](http://pyrocms.com) : Seems fairly new, documentation could be a stumbling block.

- [FuelCMS](http://www.getfuelcms.com) : Looks very impressive, extensive documentation. According to documentation : can be used when needed and lets you use CI as you normally would.

- [IonizeCMS](http://www.ionizecms.com) : Looks good but seems to be more of a CMS only(I could be wrong).

These seem to be the top contenders. Do you have any experience in working with any of these or other CMSs that work on CodeIgniter - What is the best option to pick if CMS functionality is just small part of the webapp.