Libellus lets you browse and read DnD 5th edition information like a wiki / lexicon. The basic navigation is tab-based, so multiple pages can be viewed at the same time. There is a basic search / filter system. The data is stored locally, images are downloaded.
Libellus currently supports Classes, Races, Spells, Magic Items, Equipment, and Monsters
Update to Version 2!
Migrate from JavaScript to Vala.
Move to a new much easier to understand content format.