Another place to start: Privacy Guides has a history of tracking quite a variety of computer networking tools (browsers, data providers, Internet services, software, hardware, desktop and phone, even operating systems),

One of the greatest advantages of the totalitarian elites of the twenties and thirties was to turn any statement of fact into a question of motive. – Hannah Arendt

There’s certainly a history of Unix and Unix-like forks; which is rather simple compared to the Linux distro forks (go right to the big pic).