Asterisk Asterisk is free software that transforms a computer into a communication server. Asterisk lets you build applications like PBX, VoIP gateway, IVR and ACD. Free Open Source Mac OS X Windows Linux Low level Add a feature 31 Like
YakYak What does it do: * Send/receive chat messages * Create/change conversations (rename, add people) * Leave/delete conversation * Notifications * ... Free Open Source Mac OS X Windows Linux Hangouts Portable Add a feature 17 Like YakYak is a client for Google Hangouts, while 3CX is a VoIP call center system Guest • Apr 2018 • 1 agrees and 0 disagrees Disagree Agree
freepbx FreePBX is a web-based open source GUI (graphical user interface) that controls and manages Asterisk (PBX), an open source communication server. Free Open Source Linux Voice Call Add a feature 7 Like
MicroSIP MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack. It allowing to do high quality VoIP calls (P2P or on regular telephones) via open SIP... Free Open Source Windows PortableApps.com No features added Add a feature 16 Like
Wazo Wazo is a unified communications platform based on Asterisk and focused on extensibility. Free Open Source Mac OS X Windows Linux Self-Hosted Extensible by Plugins/Extensions Add a feature 5 Like
FreeSWITCH FreeSWITCH is a scalable open source cross-platform telephony platform designed to route and interconnect popular communication protocols using audio, video, text or any... Free Open Source Mac OS X Windows Linux BSD No features added Add a feature 12 Like
Telephone Telephone is a VoIP program which allows you to make phone calls over the internet. It can be used to call regular phones via any appropriate SIP provider, including... Free Open Source Mac OS X No features added Add a feature 16 Like
Yate - Yet Another Telephony Engine Yate is a softswitch (concept of separating the network hardware from network software). It supports VoIP protocols: H.323, SIP, IAX1, IAX2, RTP. For the plain old... Free Open Source Linux No features added Add a feature 7 Like
XiVO XiVO is an IP-PBX, a unified communications platform that connects phones on a local or private network with other networks such as public landlines and mobile... Free Open Source Mac OS X Windows Linux No features added Add a feature 4 Like
Phoner Softphone for VoIP, CAPI und TAPI. This application enables voice connections to landline, cellular network and VoIP. Phoner can be used as softphone on stationary and... Free Windows No features added Add a feature 13 Like
YateClient YateClient is an Instant Messenger and a SoftPhone. Free Mac OS X Windows Linux No features added Add a feature 3 Like
Spreed Spreed is the worldwide unified web conferencing service offering integrated web and telephone conferencing. It is based on Flash Player. Free service includes 3... Commercial Mac OS X Windows Linux Web Share your screen Add a feature 8 Like
Starfish PBX Starfish PBX aims to be an open source alternative to Digium’s Switchvox. The goal is to have a software equivalent to which we can add additional functionality like: ... Free Open Source Linux No features added Add a feature 1 Like
Mizutech VoIP Server A robust SIP/H.323/WebRTC softswitch for Windows with a long list of features including PBX and billing. Free Windows No features added Add a feature 0 Like
Thirdlane Connect Thirdlane Connect helps modern teams to be more effective by bringing together voice, messaging, video, and applications integrations. Free Mac OS X Windows Linux Web Android ... Self-Hosted Integration with CRMs Group chat Salesforce integration Share your screen ... Voice Call WebRTC Zendesk integration Add a feature 2 Like
