gTunnel
Robust TCP tunneling solution over gRPC
gTunnel is a self-hosted TCP tunneling tool built on gRPC that can forward and reverse-forward ports between a server and connected clients through firewalls. It is run as a server and client pair.
Key features
- gRPC-based tunneling
- Forward and reverse ports
- Firewall traversal
- Server-client model
Strengths
- Released under the GPL-3.0 license
- First-class Docker support for quick deployment
- Written in Go
- Tiny footprint — runs in 64 MB RAM
gTunnel replaces
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