An extremely flexible feed filtering and merge service. You can add multiple feed URLs directly or through an imported OPML file. Each feed can be filtered to include or exclude items based on multiple keywords. You can even specify which portion of the feed to search in. Filtered feeds can be merged into single "channel" feeds. Output is in the form of an OPML file, which can be downloaded to your computer or accessed dynamically through a URL. The sample widget shows the result of filtering the NY Times Washington feed for the word "congress".