The Python source - https://github.com/python/cpython/ https://github.com/python/cpython/ - with full commit history back to 1990. The Unix source - https://gi

The Python source - https://github.com/python/cpython/ https://github.com/python/cpython/ - with full commit history back to 1990. The Unix source - https://github.com/dspinellis/unix-history-repo https://github.com/dspinellis/unix-history-repo - with quite a number of releases dating back to 1970.