Yes, even on the first home computers it was quite common to get hobbyist software in source code form. Open source software collaboration largely independent o

Yes, even on the first home computers it was quite common to get hobbyist software in source code form. Open source software collaboration largely independent of geographical location only became feasible with the advent of large scale networks like the FIDONET or, in an academical context, the early internet. It really took off when home internet access became wide spread. The modern OSS paradigm is a function of digital communication.