The Cathedral and the Bazaar

Eric S. Raymond discusses two fundamentally different development styles, the “cathedral” model of FSF and its imitators versus the “bazaar” model of the Linux world in The Cathedral and the Bazaar.
It is an older but apparently famous document, a colleague recommended reading it (thank you PascalG) 
Surfing over the net I found several enthusiastic reviews, so I decided to make this post.