Productz.com - Crowdsourced products database
Diffen - Compare anything to find similarities and differences. Read, improve or create comparisons.
SocialCompare - Platform of User-generated collaborative and interactive comparison tables.
Virus Bulletin - Virus Bulletin is a security information portal, testing and certification body with a formidable...
Graphiq - Vivid, contextually-rich visualizations of the world's deepest knowledge graph.
AwesomeSearch - A search engine aggregating multiple Awesome-lists, which are curated lists of software related projects, mostly on Github.