Open Source Business Models
The Open Source Development model has proven to be very effective.
The FaberNovel Paper - "Business Models of Opensource and Free Software"; slides of a research paper by
FaberNovel Consulting (2007)
Examples of successful Open-source projects on the Web
Drupal -
Drupal is an open source content management platform created by
Dries Buytaert. Drupal supports a variety of websites ranging from personal weblogs to large community-driven websites.
OAuth -
OAuth is an open protocol to allow secure API authorization in a simple and standard method from desktop and web applications.
The FireFox web browser - The FireFox web browser
Other Successful Web-based Business Models
Amazon's Business Model - Amazon's Business Model
Craigslist Business Model - Craigslist Business Model
eBay's Business Model - eBay's Business Model
Google's Business Model - Google's Business Model
Microsoft's Business Model - Microsoft's Business Model
Twitter Business Model - Twitter's Business Model
Yahoo Business Model - Yahoo Business Model