Open source PBX and telephony toolkit that connects Internet (SIP/VoIP) and traditional PSTN telephony channels to applications.
3.7K+15 this week1.4KCOtherWell maintainedUpdated 2 days ago
1 alternative
Best open-source alternatives to 3CX (2026)
Looking for a free, open-source alternative to 3CX? These 1 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| asterisk/asterisk | ★ 3.7K | Other | 2 days ago |
FAQ
- Is there a free, open-source alternative to 3CX?
- Yes. The most popular open-source alternatives to 3CX on Repolode are asterisk.
- Which 3CX alternative should I choose?
- asterisk has the most GitHub stars and is released under Other. Compare the license and last commit of each option in the table above before choosing.
How this list is made: AI reads each project's documentation to match it with products it can replace, every project passes our quality screening, and the list is ranked by GitHub stars. Stars updated Nov 6, 2026. How Repolode works