FreeSWITCH

An open-source framework for real-time voice and video.

Free software · freeswitch.com

Open FreeSWITCH in AirStack

What FreeSWITCH’s own pages say

What it says it doesAn open-source framework for real-time voice and video. freeswitch.com
Free planYes freeswitch.com
Open sourceYes freeswitch.com
LicenseFreeSWITCH is open source under the MPL license. freeswitch.com

Each value is a quote AirStack found on the product’s own pages, read 2026-11-05. A missing field means AirStack has not found it on its pages.