Third-party licenses

Last updated 23 September 2026 (draft)

00 is a free Mac app made by Yumankind OÜ. It stands on the shoulders of excellent open-source software, each distributed under its own license.

The app

00, the headless engine and the 0-0 phone app are licensed, not sold, under our Terms of Service: a personal, non-exclusive, non-transferable, revocable licence to use them. 00 is free to download and use, but its source code is not public and it is not released under an open-source license.

If you download the phone app from the App Store, Apple's Licensed Application End User License Agreement also applies where our Terms do not cover a point. If you download it from Google Play, the Google Play Terms of Service apply as well. The open-source components the apps include remain under their own licenses, listed below. How the apps handle your data and keys is described in our Privacy Policy.

Third-party software

The application and website bundle, among others:

• Node.js — MIT
• Vue & Nuxt — MIT
• Vite — MIT
• Tailwind CSS — MIT
• Tabler Icons — MIT
• JetBrains Mono, Space Grotesk, Press Start 2P (fonts) — OFL / Apache-2.0
• pi-coding-agent — see package license

Each component remains under its original license and copyright. Full license texts ship with the respective packages. Brand names above belong to their respective owners.

Attribution

Model providers, communication platforms, and their logos referenced throughout 00 are the trademarks of their respective owners; 00 is not affiliated with them.