Fonoster Routr by fonoster

The future of programmable SIP servers.

sipwebrtcvoipinstant-messagingimsasteriskkamailiofreepbxfreeswitchfusionpbxtwiliodocker
Verdict 57/100 health $4.13/mo cheapest, hetzner 1/5 setup difficulty 741k docker pulls Last release 4 months ago

Self-host Fonoster Routr on hetzner CAX11 for $4.13/mo.

Health score
57 /100
6-dim composite
Self-hosts from
$4.13 /mo
hetzner · CAX11
Difficulty
1 /5
One-click deploy
GitHub stars
1.7k
176 forks

About Fonoster Routr

From the project's README at github.com/fonoster/routr. Lightly cleaned for readability; for the full source see the upstream repo.

[](https://github.com/sponsors/fonoster) [](https://discord.com/invite/4QWgSz4hTC)

Routr is a lightweight sip proxy, location server, and registrar that provides a reliable and scalable SIP infrastructure for telephony carriers, communication service providers, and integrators. Content

Community Should you try Routr? Contact us Features The official handbook Deployment Docker Kubernetes Gitpod [Getting started with the CTL](

Health score breakdown

6-dimension composite. See methodology for formula and weights.

activity
22
maturity
100
community
62
security
70
sustainability
88
adoption
28

Adoption signals

Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.

SignalValueSource
GitHub stars 1.7k github.com/fonoster/routr
GitHub forks 176 github.com/fonoster/routr
Docker Hub pulls 741k hub.docker.com / fonoster
NPM downloads (last month) 3.5k routr

Release & maintenance

Is this project actively maintained, or about to die? Check the recency of last commit and last release.

Project age9.3 yearssince Jan 2017
Last commit22 days agoApr 15, 2026
Releases shipped79last: 4 months ago
Funding links1declared by maintainers

Self-hosting cost across providers

Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.

ProviderPlanSpecsMonthly
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 Fonoster Routr?

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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Frequently asked questions

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