Waxy.org's annotated version of Code Rush, David Winton's documentary covering the first release of Netscape source code in 1998, the foundation of the Mozilla project. In July 2009, Winton relicensed the film under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License.
You may also enjoy my Where Are They Now? roundup of key players in the film and my interview with the director.
"From March 1998 to April 1999, an independent documentary film crew followed a team of software engineers at Netscape as they lived through a watershed moment in the brief history of their company and the Internet."