Latest Pentaho Data Integration (aka Kettle) Documentation
Translated Kettle Documentation - Spanish 
- Korean 
- Russian
Quick Start and Overview
- Pentaho Data Integration Home Page (News, Downloads, Forums, Bug tracking etc.)
- Getting Started
- Frequently Asked Questions
- Pentaho Data Integration Case Studies
- Pentaho Data Integration Recorded Demos
- Pentaho Data Integration Screenshots
- Pentaho Data Integration Articles
- Pentaho Data Integration (Kettle) Tutorial
- Pentaho Data Integration (Kettle) Concepts, Best Practices and Solutions
- Pentaho Documentation (User Guides, Tutorials and Walkthroughs, Installation and Upgrade, Administrator and Developer Guides)
- Pentaho Big Data
Documentation for (Database) Developers and Users
Reference:
- Spoon User Guide
- Pentaho Data Integration Steps
- Pentaho Data Integration Job Entries
- Pan User Documentation
- Kitchen User Documentation
- Carte User Documentation
- Marketplace
- Feature checkboxes
Highlighting New Features in PDI 6.0
- Pentaho Data Services
- SNMP Monitoring
- /wiki/spaces/EAI/pages/388321014
- SAP HANA Bulk Loader Step
- Schedule a Transformation or Job
- Visit the Pentaho Help site to read more about what's new in Pentaho 6.0.
Highlighting New Features in PDI 5.0:
- The Thin Kettle JDBC driver
- Job checkpoints and restartability
- Database transactions in jobs and transformations
- Marketplace
- Please see the Pentaho Infocenter for more information about 'New Features for Pentaho Data Integration'
Books:
- Pentaho Data Integration 4 Cookbook
- Pentaho Kettle Solutions- Building Open Source ETL Solutions with Pentaho Data Integration
- Pentaho 3.2 Data Integration- Beginner's Guide
- Pentaho Solutions: Business Intelligence and Data Warehousing with Pentaho and MySQL
Other:
- Special database issues and experiences
- Special Operating System issues and experiences
- Kettle Exchange (share tips & tricks and utilities)
- Data Quality Integration
Migration:
- Recent versions: see the PDI Upgrade Guide in the InfoCenter Installation and Upgrade Guides
- Pentaho Data Integration 3.0 migration guide
- What's new in PDI version 3.1
- What's new in PDI version 3.2
- What's new in PDI version 4.0
- For more recent versions, please see Pentaho's Infocenter
Documentation for (Java) Developers
- PDI SDK: see "Embedding and Extending Pentaho Data Integration" within the Developer Guides.
- PDI Developer information
- Pentaho Data Integration - Java API Examples
- Writing your own Pentaho Data Integration Plug-In
- Black Box Testing
- Get the Source Code
- Proposed Kettle Dependency Management
- Monitoring SWT Graphics Resources with Sleak
Current Kettle Development & Archive
- /wiki/spaces/PMOPEN/pages/1225855900
- Detailed road map, change log, issues and much more for Pentaho Data Integration (JIRA)
Further Links & Information
- Technical tips
- Pentaho Data Integration Articles
- Matt Casters Blog on Data Integration
- Pentaho Professional Services (Training, Support, Partners...)