Netscape Communications | 548 followers on LinkedIn. Netscape Communications (formerly known as Netscape Communications Corporation and commonly known as Netscape) is an American computer services company, best known for Netscape Navigator, its web browser. When it was an independent company, its headquarters were in Mountain View, California. Netscape's web browser was once dominant in terms of usage share, but lost most of that share to Internet Explorer during the so-called first browser war.