Orus Orus

Legal

Licenses and notices.

The Orus runtime license

The Orus runtime, licensed by Splenta Inc., is licensed under the Business Source License 1.1. You can use it in production to run applications, including as the runtime of an operating system. You can’t offer the runtime itself, or something substantially similar, to others as a standalone product or hosted service. Each version becomes Apache-2.0 four years after its first public release. The Cerlus browser, also made by Splenta Inc., is under the same license. The installer shows the license text, and it is included with the system. The license text is © MariaDB Corporation Ab; “Business Source License” is a trademark of MariaDB Corporation Ab.

Orus OS

Distribution files: Apache-2.0. Shell: Apache-2.0 or MIT. Orus Mobile is not open source.

Third-party software

Orus OS is built on and includes work from others. Notices are provided with the software, and this page will carry the full list before release.

  • Debian and its packages, under their respective licenses.
  • labwc and wlroots (GPL-2.0).
  • Chromium and its components.
  • React (MIT), Vite, Tailwind CSS.
  • Geist font (SIL OFL 1.1) and Inter font.
  • Lucide icons (ISC).

Trademarks

Debian is a registered trademark of Software in the Public Interest, Inc. Orus OS is not an official Debian project. Other names belong to their owners.