The following is a list of notable web browsers .
Other software publishers have built browsers and other products around Microsoft's Trident engine. The following browsers are all based on that rendering engine:
Browsers that use both Trident and Gecko include:
Browsers created for enhancements of specific browsing activities.
Mosaic was the first widely used web browser. The National Center for Supercomputing Applications (NCSA) licensed the technology and many companies built their own web browser on Mosaic. The best known are the first versions of Internet Explorer and Netscape.
Due to constraints of the iOS platform, all browsers must be built on top of the WebKit rendering engine.