Varnish Software is the company behind Varnish Cache, a widely recognised open source web accelerator that significantly enhances web performance for online businesses. GEN’s mission to connect, share and innovate around open source tools means choosing Varnish as a partner was an inevitable collaboration. Varnish Plus is Varnish Software's commercial product . It combines in one the subscription offering and professional services the company offers on top of Varnish Cache. Varnish is already used to power more than 1,6 million web sites worldwide as well as many of the world's most influential websites such as The BBC, Morningstar, The New York Times, Vimeo, and Nokia. Varnish was present at the GEN Summit 2014 in Barcelona. Varnish will also be integrated within the GEN Editors Lab Hackdays programme as official sponsor of an upcoming GEN Hackday.