Developer.force.com Membership
The developer.force.com brings together the content, community and technologies of on-demand development, and serves as the centerpoint of the Force.com developer universe. Most of the ever-growing collection of code samples, documentation, tools, and other technical resources for building and customizing apps on the Force.com platform are available on the public site, but free membership in developer.force.com brings you much more.
Join the developer.force.com community by clicking here
Membership Benefits
A fully-functional Developer Edition account, which provides you your own unique developer org and the opportunity to explore development on the force.com platform for free
Access to pre-release technology programs and pilots, special events, and other valuable members-only opportunities
Powerful developer toolkits and premium technical content reserved for members only, identified with a special icon: 
A personalized community profile and Q&A posting rights on the Discussion Boards
The ability to contribute, edit, and subscribe to the vast collection of technical content on the Wiki
Subscription to the Force.com Developer News, a monthly digest of the latest technology, content, and program news
Discounted business services and the other members-only benefits of the On-Demand Startup Kit (details here), including:
- The 7 Habits of Highly Successful On-Demand Companies, an insightful whitepaper that explains how building an on-demand business is different
- Email Marketing Services – 1,000 free emails
- User Interface Consulting – 50% off design reviews
- Logo Creation & Brand Identity Services – $50 off core packaged services
- And much more...