Constitution et mise à disposition d'un index du Web, libre et gratuit, orienté Big Data.
Existe une API publique : http://index.commoncrawl.org
via : https://twitter.com/gaudinat_arnaud/status/603825046713462784
"h5ai makes browsing directories on HTTP web servers more pleasant. Directory listings get styled in a modern way and browsing through the directories is enhanced by different views, a breadcrumb and a tree overview."