BloGs

WebLog update tracker. A great service if you don't want to deal with a full RssAggregator like Blog Lines.

http://blo.gs

Doesn't track RSS, just when a blog gets updated. You pick the blogs, it gives that list in update-order.

It lags WeblogsCom by up to 45 minutes.

Jun'2005 - now owned by Yahoo.

Apr'2009 - sold to AutoMattic - shuttered?