luckybooru is a danbooru-style booru written in Crystal with Lucky.


luckybooru is in the early design stage.

Goals and design principles


Deployment options

We aim to support a variety of deployment options, including the following:

° preferred options

Database schema (WIP)

(database schema image)

(click for full size)

Source code and contributing

Contributions in the form of issues (bug reports or feature requests) or pull requests on our repos are very welcome.

We also have an official development IRC channel: #luckybooru on

All repos are licensed under the University of Illinois/NCSA Open Source License.