None.
Some time ago, I tested all RSS / aggregators, but I couldn't find any suited for me. They were ugly (most RSS clients) or with defined sources (without ability to add my own), so useless to me.
Some time ago, I tested all RSS / aggregators, but I couldn't find any suited for me. They were ugly (most RSS clients) or with defined sources (without ability to add my own), so useless to me.
Here's a great example of one of the best websites that aggregates many different topics based on the most popular and innovative blogs in their subjects.