A software-defined telecom stack that turns commodity hardware into a SIP/VoIP switch, from Raspberry Pi to multi-core servers.
5.3K+15 this week1.9KCOtherUpdated 10 days ago
2 alternatives
2 best open-source alternatives to Cisco Unified Communications Manager (2026)
Looking for a free, open-source alternative to Cisco Unified Communications Manager? These 2 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 |
|---|---|---|---|
| signalwire/freeswitch | ★ 5.3K | Other | 10 days ago |
| asterisk/asterisk | ★ 3.7K | Other | 2 days ago |
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
FAQ
- Is there a free, open-source alternative to Cisco Unified Communications Manager?
- Yes. The most popular open-source alternatives to Cisco Unified Communications Manager on Repolode are freeswitch, asterisk.
- Which Cisco Unified Communications Manager alternative should I choose?
- freeswitch 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