BoringTun by cloudflare
Userspace WireGuard® Implementation in Rust
About BoringTun
From the project's README at github.com/cloudflare/boringtun. Lightly cleaned for readability; for the full source see the upstream repo.
Warning Boringtun is currently undergoing a restructuring. You should probably not rely on or link to the master branch right now. Instead you should use the crates.io page. boringtun: [](https://crates.io/crates/boringtun) boringtun-cli [](https://crates.io/crates/boringtun-cli)
BoringTun is an implementation of the WireGuard ® protocol designed for portability and speed.
BoringTun is successfully deployed on millions of iOS and Android consumer devices as well as thousands of Cloudflare Linux servers.
The executable , a userspace WireGuard implementation for Linux and macOS. The library that can be used to implement fast and efficient WireGuard client apps on various platforms, including iOS and Android. It implements the underlying WireGuard protocol, without the network or tunnel stacks, those can be implemented in a platform idiomatic way. Installation
Health score breakdown
6-dimension composite. See methodology for formula and weights.
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 7.0k | github.com/cloudflare/boringtun |
| GitHub forks | 510 | github.com/cloudflare/boringtun |
| CRATES downloads (last month) | 48k | boringtun |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 7.6 years | since Oct 2018 |
| Last commit | 3 days ago | May 4, 2026 |
| Releases shipped | 6 | last: 3.8 years ago |
| Security policy | SECURITY.md | declared by maintainers |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
What people say on Hacker News
Ready to self-host BoringTun?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
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