An earlier suite of Web browsing and groupware tools from Netscape that were packaged as a bundle starting with Navigator 4.0. Communicator refers to any Netscape Navigator product with a version number less than 6.0. It included the Navigator browser, Netscape Messenger e-mail client, Netscape Collabra threaded discussions, Netscape Composer HTML editor and Netscape Conference, which provided audio and videoconferencing, whiteboard, text chat and collaborative browsing. The Professional version added group calendaring and scheduling, remote administration and 3270 emulation. See Netscape Navigator, Netscape Netcaster and Mozilla.