Developing on SharePoint 2010

Getting Started
Module 1: Getting Started: Building Web Parts in SharePoint 2010
Module 2: What Developers Need to Know About SharePoint 2010
Module 3: Building Blocks for Web Part Development in SharePoint 2010
Module 4: Accessing SharePoint 2010 Data and Objects with Server-Side APIs
Module 5: Accessing SharePoint 2010 Data and Objects with Client-Side APIs
Module 6: Accessing External Data with Business Connectivity Services in SharePoint 2010
Module 7: Developing Business Processes with SharePoint 2010 Workflows
Module 8: Creating Silverlight User Interfaces for SharePoint 2010 Solutions
Module 9: Sandboxed Solutions for Web Parts in SharePoint 2010
Module 10: Creating Dialog Boxes and Ribbon Controls for SharePoint 2010