Top pick · highest health
FreeSWITCH
Scalable open source cross-platform telephony platform.
C
Communication - SIP
Open source alternatives to Google Voice
We track 5 open-source Google Voice alternatives, of which 3 currently score 70 or above on Repoly's GitHub health scale and 0 ship a Docker image. FreeSWITCH leads on health at 85/100 with 78 commits in the last 90 days; across all 5 projects you are choosing between GPL-2.0, GPL-3.0, MPL-1.1 and 1 other licences.
updated Oct 2026 5 alternatives best health 85 ★ 10k combined 476 commits / 90d 0 with Docker
Top picks to replace Google Voice
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Healthiest
Health 85/100: 78 commits in 90 days, latest release v1.11.3.
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Most active
312 commits in the last 90 days, more than any other option here.
Showing 5 of 5 tools
All 5 Google Voice alternatives, ranked by health
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Asterisk
Easy to use but advanced IP PBX system, VoIP gateway and conference server.
Cdeb -
FusionPBX
Web interface for multi-platform voice switch called FreeSWITCH.
PHP -
Freepbx
Web-based open source GUI that controls and manages Asterisk.
PHP -
Wazo
Full-featured IPBX solution built atop Asterisk with integrated Web administration interface and REST-ful API.
Python
Google Voice alternatives compared
FreeSWITCH edges Asterisk 85 to 84. Asterisk is the busier codebase, though, with 86 commits in 90 days to 78. FreeSWITCH also has the largest following, at 5.3k stars.
The most recent release is Asterisk certified-22.8-cert5, published 11 days ago. None of the measured options scores under 40. By stack, C (2), PHP (2) and Python (1) are the most common. FreeSWITCH and FusionPBX are permissively licensed; Asterisk, Freepbx and Wazo are copyleft. Freepbx and Wazo are not hosted on a forge Repoly can read, so they have no measured score yet.
4 of these 5 also appear among the Dialpad alternatives; FreeSWITCH is specific to Google Voice.
| Tool | Health | Stars | Licence | Last commit | Docker |
|---|---|---|---|---|---|
| FreeSWITCH Steady at 85 since 11 Sep | 85 | 5.3k | MPL-2.0 | 2 days ago | No |
| Asterisk Steady at 84 since 11 Sep | 84 | 3.7k | GPL-2.0 | yesterday | No |
| FusionPBX Up 2 points since 11 Sep | 82 | 1.1k | MPL-1.1 | yesterday | No |
| Freepbx | 10 | 0 | GPL-2.0 | unknown | No |
| Wazo | 10 | 0 | GPL-3.0 | unknown | No |
Google Voice alternatives: common questions
What is the most maintained open source alternative to Google Voice?
FreeSWITCH scores highest at 85/100, with 78 commits in the last 90 days, 5.3k stars on GitHub and its latest release (v1.11.3) published 2 months ago. FusionPBX has the most raw commit activity at 312 commits in 90 days.
Which Google Voice alternatives use a permissive licence?
2 of 5 are permissively licensed (MIT, Apache, BSD or similar): FreeSWITCH (MPL-2.0), FusionPBX (MPL-1.1). 3 use copyleft licences such as GPL or AGPL, which require you to publish changes if you distribute a modified version.
Which Google Voice alternatives run in Docker?
None of the 5 tracked alternatives currently advertise Docker support, so expect manual installation. Docker support is worth 10 of the 100 health points on Repoly.
Is FreeSWITCH or Asterisk the better Google Voice alternative?
On measured health FreeSWITCH leads, 85 to 84. FreeSWITCH has 78 commits in 90 days, 5.3k stars and v1.11.3 from 2 months ago; Asterisk has 86 commits in 90 days, 3.7k stars and certified-22.8-cert5 from 11 days ago. FreeSWITCH is ahead or level on every term Repoly measures.
Are the Google Voice alternatives still maintained?
3 of the 3 measured options score 70 or above. Every measured option had commits in the last 90 days. None scores under 40.
What languages are the Google Voice alternatives written in?
C: FreeSWITCH and Asterisk. PHP: FusionPBX and Freepbx. Python: Wazo. The stack matters if you plan to extend or patch the tool yourself.
