• Simplfication of:

• MVC
• AJAX
• mod_rewrite
• Lists (with Pagination)
• Database Interoperability (MySQL, PostgreSQL, Oracle, Firebird, SQLite, DB2, OpenBase, SQLServer, Sybase)
  
• Object Relationships
• Testing
• CRUD
• Components include:
• ActiveRecord - Data Model
• ActionView - Templates
• ActionController - Business Logic
  
• ActionMailer - Email Handler
  
• ActionWebService - Web Services
• ActiveResource (Soon) - REST