5 Biggest Open Source Companies in the World

4. International Business Machines Corporation (NYSE: IBM)

GitHub Contributors By August 2021: 2,259 Active GitHub Contributors

International Business Machines Corporation (NYSE: IBM) is one of the oldest technology firms in the world and over the years it has fully shifted its focus on providing products for enterprise and other non-consumer users. It is also credited with inventing several modern day machines such as the automated teller machine (ATM) and the floppy disk.

International Business Machines Corporation (NYSE: IBM) is also one of the largest open source contributors in the world, with 2,259 active and 5,338 total GitHub contributors.