CERN httpd
Software
CERN httpd is an early, now discontinued, web server daemon originally developed at CERN from 1990 onwards by Tim Berners-Lee, Ari Luotonen and Henrik Frystyk Nielsen. Implemented in C, it was the first web server software. Wikipedia
Initial release date: December 24, 1990
Programming language: C
Original author(s): Tim Berners-Lee, Ari Luotonen, Henrik Frystyk Nielsen
Final release: 3.0A / 15 July 1996; 27 years ago