You charity / non profit still not use WordPress? or is using but you don’t feel that they are taking advantage?
1. You will find free resources to have a powerful website. (friendly for Google, for mobiles, for social networking, for fundraising, for videos, etc.). Look the variety of the popular plugins/modules here popular plugins
2.You will get an always updated CMS. Do you want to integrate new social networks and new technologies soon? In general WP will have the solution earlier than the others CMS. If you want to be updated reading news about WP here WordPress in Mashable.com | wpmash.com/
There are several good examples of nonprofit /charity websites using well WordPress, Some examples in WordPress.org showcase of non-profit
If you still have a doubt about why choose WordPress, please write here and I will reply soon.
I use WP from 2007 and every day I’m more convince about the advantage over the other s CMS. In the future, perhaps will be a better option, but not in the next couple of years, because WP raised the bar right up.
Why is so important that your charity have a good website? Because share stories is very important. Read my article Good headlines for charity webs.