Some links that contain overviews, but probably there are many more tools:
- http://www.ssas-info.com/analysis-services-client-tools-frontend
- http://ssas-info.com/forum/8-choosing-ssas-client-tools
- http://cwebbbi.wordpress.com/category/client-tools/
And of course - depending on the type of analysis or market you are in, there are more specific solutions.