The following modules have userguide pages:
Kohana - Documentation for Kohana core/system.
Auth - User authentication and authorization.
Cache - Common interface for caching engines.
Codebench - Code benchmarking tool.
Database - Database agnostic querying and result management.
Image - Image manipulation.
ORM - Object modeling and relation mapping.
OAuth - Open protocol authorization.
Pagination - Tool for creating paginated links and viewing pages of results.
Userguide - Documentation viewer and api generation.