
FusionPBX
FreeSWITCH
Asterisk
Wazo.io
Kamailio
miniSIPServer
XiVO
freepbx
SourceForge
GitHub
GitLab
BitBucket
openDesktop.org
Gitea
Launchpad.net
OSOR
FusionPBX
SourceForgeFreeSWITCH - FreeSWITCH is an open-source media application designed to support popular protools such as SIP and WebRTC and provides a platform to develop voice and video applications.
GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
Asterisk - An open source telephony switching and private branch exchange service for Linux.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Wazo.io - The UCaaS Platform Built for MSPsโ
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.