Open source

Licenses & source

Router's VPN engine is built from the open-source components below. Their full license texts are in the app under How Router works → Open-source licenses, and in open_source_licenses.txt.

OpenVPN 3 Core

Version
18edfae7e7fd (3.11.7)
License
MPL-2.0, elected from MPL-2.0 OR AGPL-3.0-only
Ships as
Compiled into librouter_native.so, unmodified

Asio (standalone)

Version
asio-1-24-0 + 7 OpenVPN 3 patches
License
BSL-1.0; patches are OpenVPN 3 material
Ships as
Headers compiled into librouter_native.so

OpenSSL

Version
3.5.8
License
Apache-2.0
Ships as
Statically linked into librouter_native.so, unmodified

LLVM libc++

Version
NDK 28.2.13676358
License
Apache-2.0 WITH LLVM-exception / NCSA / MIT
Ships as
libc++_shared.so

AndroidX, Jetpack Compose, Kotlin

Version
Compose BOM 2025.08.00, Kotlin 2.4.10
License
Apache-2.0
Ships as
App code

Source code for MPL-covered files

Under MPL-2.0 §3.2, the source for OpenVPN 3 Core as shipped in Router is available here. Router uses it unmodified; the Asio patches it applies come from the same tree's deps/asio/patches/.

Exact archive built into Router

OpenVPN 3 Core · 18edfae7

94df957ac9782ce077b55dc4451fc7aa087ebfaaa26962fbb3fad7596e91d97a

Website fonts

This site self-hosts Space Grotesk, Inter and JetBrains Mono under the SIL Open Font License 1.1: Space Grotesk, Inter, JetBrains Mono.

Trademarks

OpenVPN is a registered trademark of OpenVPN Inc. Router is an independent project. It isn't affiliated with or endorsed by OpenVPN Inc., the OpenSSL project or Google.