Rustic
Rustic is licensed MIT OR Apache-2.0.
Horizon
The game engine is Horizon (MIT, Copyright (c) 2026 Ludovic Marie and the Horizon contributors). The Rustic edition is a modified Horizon build and ships Horizon’s own third-party notices.
Content
Mods, resource packs and shaders are downloaded from their sources (for example Modrinth) under each project’s licence, with attribution and links.
Full list
The complete list of libraries and licences is shown in the launcher, Settings › About.
