DVD. Антология Need for Russia

The way the Apache collaborative community organized itself, whatever you took out of Apache's code and improved on, you had to give back to the whole community. But you were also free to go out and build a patented commercial product on top of the Apache code, as IBM did, provided that you included a copyright citation to Apache in your own patent. In other words, this intellectual commons approach to open-sourcing encouraged people to build commercial products on top of it. While it wanted the foundation to be free and open to all, it recognized that it would remain strong and fresh if both commercial and noncommercial engineers had an incentive to participate. Today Apache is one of the most successful open-source tools, powering about two-thirds of the Web sites in the world. And because Apache can be downloaded for free anywhere in the world, people from Russia to South Africa to Vietnam use it to create Web sites. Those individuals who need or want added capabilities for their Web servers can buy products like WebSphere, which attach right on top of Apache ...»