The AltSearchEngines site on alternative search engines will no longer be updated. The editor, Charles Knight, managed to cover some 4000 search engines in its three year long life. To Federated Search Blog he says that AltSearchEngines had reached a plateau: "There are only so many people interested in a daily dose of niche search engines. Not only that, but after 4,000 posts, I really felt that we had found most of them.