Documentation and Useful Resources
digiKam tutorials wiki offers tutorials that cover various digiKam tools and functionality.
API and Database Schema
If you plan contribute as a developer to digiKam, you might find the following links useful:
Use SQliteBrowser to work with SQlite3 database files.
We encourage you to be involved in the existing documentation by submitting comments, corrections, and patches. If you’d like to help to the documentation, have a look at the Contribute page.