Mosaic has the following features:

• A consistent mouse-driven graphical interface.

• The ability to display hypertext and hypermedia documents.

• The ability to display electronic text in a variety of fonts.

• The ability to display text in bold, italic, or strikethrough styles.

• The ability to display layout elements such as paragraphs, lists, numbered and bulleted lists, and quoted paragraphs.

• Support for sounds (Macintosh, Sun audio format, and others).

• Support for movies (MPEG-1 and QuickTime).

• The ability to display characters as defined in the ISO 8859 set (it can display languages such as French, German, and Spanish).

• Interactive electronic forms support, with a variety of basic forms elements, such as fields, check boxes, and radio buttons.

• Support for interactive graphics (in GIF or XBM format) of up to 256 colors within documents.

• The ability to make basic hypermedia links to and support for the following network services: FTP, gopher, telnet, NNTP, WAIS.

• The ability to extend its functionality by creating custom scripts (comparable to XCMDs in HyperCard on Macintosh computers).

• The ability to have other applications control its display remotely.

• The ability to broadcast its contents to a network of users running multiplatform groupware such as NCSA's Collage.

• Support for the current standards of HTTP and HTML.

• The ability to keep a history of travelled hyperlinks.

• The ability to store and retrieve a list of viewed documents for future use.