Open Source projects have a strong position in today's Technology Industry. Projects like Firefox, Linux, or Drupal create a market for jobs. Open Source provides unique and entry level opportunities for individuals who wish to work in technology fields.
Open Source is a technology movement, which implements principles of openness, sharing, and freedom in software use, modification, or distribution. Some examples of Open Source successful products are FireFox, Linux, Apache. For more detailed description of Open Source please read the definition provided by Open Source Initiative, a non-profit organization. http://www.opensource.org/osd.html