MacWWW, the first web browser for Macintosh systems, was released on 24th December 1992. It was developed by Robert Cailliau and Nicola Pellow at CERN, the high-energy physics organisation where the World Wide Web was invented by Tim Berners-Lee.
MacWWW, also known as Samba, was a non-graphical browser and probably the first web software to be commercialised. It was sold for 50 European Currency Units.