Which is better, OSS or Proprietary Software? This article poses both sides of the arguments, mainly that OSS is lauded for it's "community" support, while Proprietary Software is backed by professional, tried and true support. The main conclusions were that OSS and Proprietary Software essentially match in content quality until the codes become longer. In that case, Proprietary Software comes out on top.
This gives a list (and short description) for 20 popular OSS platforms.
This article includes examples given in class such as,
WordPress (#1 on the list) and Mozilla Firefox (#3 on the list).