In 1991, Linus Torvalds decided to share code that he had created for an operating system which would later become known as Linux, in the hope of getting feedback from others on how he could improve it. I came across the original email that Linus sent and was amazed by the modesty :
Hello everybody out there using minix -
I'm doing a (free) operating system (just a hobby, won't be big and
professional like gnu) for 386(486) AT clones. This has been brewing
since april, and is starting to...