Nowadays, it supports RSS 1.0, RSS 2.0, RDF andy Atom. You can add as many feeds as you want, although it will show only ten on screen not to make your desktop a mess.
Th eprogram updates information each 10 minutes and in case you want to read the article, you only have to click on the text of the article you want to read and the web browser will appear.
The options of the program are limited, but it meets your extectations perfectly.
If you usually check many blogs, newspapers and other information websites, Feedling can be really useful to be always up to date.