FreeSWITCH by signalwire
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unlock the telecommunications potential of any device.
About FreeSWITCH
From the project's README at github.com/signalwire/freeswitch. Lightly cleaned for readability; for the full source see the upstream repo.
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unlock the telecommunications potential of any device. Combined with our hosted cloud platform, SignalWire, FreeSWITCH can interconnect with the outside world and scale to any size.
Visit https://signalwire.com or https://github.com/signalwire for more info. Getting Started
FreeSWITCH is available on Github in source code format. You can checkout the development branch and build for many popular platforms including Linux, Windows, MacOSX and BSD. There is an issue tracker and pull request system available as part of the repo online.
See https://developer.signalwire.com/freeswitch/FreeSWITCH-Explained/ for more detailed instructions. Additional Help
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 | 4.8k | github.com/signalwire/freeswitch |
| GitHub forks | 1.8k | github.com/signalwire/freeswitch |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 7.5 years | since Oct 2018 |
| Last commit | 13 days ago | Apr 24, 2026 |
| Releases shipped | 11 | last: 1.8 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 → |
Security advisories
CVE-2023-51443. What people say on Hacker News
Ready to self-host FreeSWITCH?
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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