Software and their Developers

Software Developer
C (language) Dennis M. Ritchie
C++ (language) Bjarne Stroustrup
Java (language) James Gosling
Javascript (language) Brendan Eich
Python (language) Guido van Rossum
Ruby (language) Yukihiro Matsumoto
Perl (language) Larry Wall
Pascal (language) Niklaus Wirth
Fortran (language) John Backus
dBase (database) C Wayne Ratliff
UNIX (operating system) Ken Thompson, Dennis Ritchie, Brian Kernighan, Douglas McIlroy and Joe Ossanna
Linux kernel (operating system) Linus Torvalds