LanguageEnglish

Free discovery

Free Voice Calls tools

Verified FREE and FREEMIUM tools listed in Voice Calls.

SIP3 logo
SIP3

sip3.iofree

VoIP troubleshooting and monitoring platform. ([Demo](https://demo.sip3.io), [Source Code](https://github.com/sip3io/)) `Apache-2.0` `Java`

View detailsCompareVisit site
FreeSWITCH logo
FreeSWITCH

freeswitch.orgfree

Scalable open source cross-platform telephony platform. ([Source Code](https://github.com/signalwire/freeswitch)) `MPL-2.0` `C`

View detailsCompareVisit site
Mumble logo
Mumble

wiki.mumble.infofree

Low-latency, high quality voice/text chat software. ([Source Code](https://github.com/mumble-voip/mumble), [Clients](https://wiki.mumble.info/wiki/3rd_Party_App…

View detailsCompareVisit site