opentab policies

Open Source Notices

Effective and last updated October 31, 2026

opentab is built with open source software. We are grateful to the people who maintain it. These components remain under their own licenses, and nothing in the opentab Software License limits your rights under those licenses.

ComponentLicense
ElectronMIT
Chromium (bundled with Electron)BSD-3-Clause, plus many third-party licenses
Node.js (bundled with Electron)MIT and others
Ghostery adblocker for ElectronMPL-2.0
electron-updaterMIT
Filter lists: EasyList and EasyPrivacyGPL-3.0 / CC BY-SA 3.0
Filter lists: uBlock filtersGPL-3.0
Filter lists: Peter Lowe's ad server listProvided by its author under that list's terms of use
Lenis (website only)MIT
Instrument Sans (website)SIL Open Font License 1.1

Full license texts

The full Chromium and Electron license notices ship with the App as LICENSES.chromium.html and LICENSE.electron.txt in its install folder. The license for each npm package is included in the package itself.

If you think a notice is missing or wrong, email contact@opentab.cc. For MPL-2.0 components, you can get the source code from the upstream repositories linked above.