Open Source
Last updated October 22, 2026
Cosmos Client
The source code of Cosmos Client will be published on this page.
Components
Cosmos Client is built on open-source components. Each is distributed under its own license:
| Component | License | Source code |
|---|---|---|
| sing-box — the VPN core | GPL-3.0-or-later | github.com/SagerNet/sing-box |
| Flutter | BSD-3-Clause | github.com/flutter/flutter |
| Inter — the font | OFL-1.1 | github.com/rsms/inter |
| Heroicons — icons | MIT | github.com/tailwindlabs/heroicons |
| circle-flags — country flags | MIT | github.com/HatScripts/circle-flags |
The full list of components and license texts is in the app: About → Open Source Licenses → All components.