Read the book Open Sources , featuring essays from the leaders of the free software movement, and find out why free software is taking the computer industry by storm. Mozilla - web browser. Red Hat - Linux distribution. Sendmail - email server.
Source code is available.
The actual copyright we normally use is the GNU General Public License . The GNU GPL encourages the sort of synergy we hope to take advantage of. Because it ensures that source code be distributed with the program, and that derived programs fall under the same license, it eases the spread of improvements and bug-fixes. The whole user community benefits from the changes that any one programmer makes to the software. It was accepted for the Second Conference on Freely Redistributable Software , but that conference has been canceled.