Apple has been the first major computer company to make Open Source development a part of its ongoing software strategy. Apple remains dedicated with the Open Source development model. Majority of the components of Mac OSX, including the Unix, is made available under Apple’s Open Source license, letting developers and students to view the main source code, learn from it and make suggestions and modifications. In addition to it, Apple has been using the software created by the Open Source community, such as HTML rendering engine for Safari, and bring back its enhancements to the community. People at Apple believes that using the Open Source methodology makes Mac OS X a tougher and secure operating system, as its base components have been subjected to the crucible of colleague review for decades.