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olcRTC

olcRTC (OpenLibreCommunity RTC) is an encrypted TCP-over-WebRTC tunnel. Traffic is disguised as an ordinary video call on allowed services (Jitsi, Yandex Telemost, WbStream). Inside there is XChaCha20-Poly1305 encryption and smux multiplexing over WebRTC data/video channels.

Status: Beta

app -> SOCKS5 -> olcrtc cnc -> WebRTC/SFU service -> olcrtc srv -> internet

Important: make sure the video call service you need is on the allow lists and works in your network. If not, use another one.

Features

• Providers: jitsi, telemost, wbstream
• Transports: datachannel, vp8channel, seichannel, videochannel
• Platforms: Linux, macOS, Windows, Android (gomobile), embeddable Go library

Recommended start: jitsi + datachannel.

Quick start

You need Go 1.26+ and mage.

go install github.com/magefile/mage@latest
git clone https://github.com/openlibrecommunity/olcrtc --recurse-submodules
cd olcrtc
mage build

Generate a shared key (the same on server and client):

openssl rand -hex 32

Run the server and the client with YAML configs:

./build/olcrtc-linux-amd64 server.yaml
./build/olcrtc-linux-amd64 client.yaml

The client starts a local SOCKS5 on 127.0.0.1:8808. Check:

curl --socks5-hostname 127.0.0.1:8808 https://icanhazip.com

Full instructions and config examples are in docs/fast.md and docs/configuration.md.

Documentation

Document	Contents
about.md	architecture, providers, transports, public API
fast.md	quick start for newcomers
manual.md	manual build
configuration.md	YAML setup
settings.md	compatibility matrix
uri.md	client URI format
sub.md	subscription format

Build

mage build   # current platform
mage cross   # cross-compilation
mage test    # tests
mage lint    # golangci-lint
mage mobile  # gomobile bindings (Android)

Community

• Telegram: @openlibrecommunity
• Issues: github.com/openlibrecommunity/olcrtc/issues
• Community UI client: alananisimov/olcbox

License

WTFPL

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