Browse free open source PBX software and projects below. Use the toggles on the left to filter open source PBX software by OS, license, language, programming language, and project status.

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  • 1
    trixbox CE is an easy to install, VOIP phone system based on the Asterisk PBX. trixbox is designed for home or office use. trixbox CE includes CentOS linux, mysql, and all the tools needed to run a business quality phone system. (formerly asterisk@home)
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    Downloads: 359 This Week
    Last Update:
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  • 2
    Elastix

    Elastix

    Unified Communications Server

    Elastix is a software-based PBX powered by 3CX and based on Debian. An open-standards solution, Elastix is an easy to install and manage UC system compatible with popular IP phones, gateways and SIP trunks. Elastix is complete with unified communications features such as integrated WebRTC video conferencing, chat, presence and softphones and smartphone clients for Windows, Mac, iOS and Android.
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    Downloads: 205 This Week
    Last Update:
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  • 3
    Kiax is a softphone (soft phone, VoIP client) with a simple and comfortable user interface for making VoIP calls to Asterisk PBX. It depends on the iaxclient library to use Asterisk's IAX2 protocol for easy call configuration and audio setup.
    Downloads: 19 This Week
    Last Update:
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  • 4
    A TAPI driver for SIP. SIPTAPI gives you a click2dial feature with any TAPI enabled application (e.g. MS Outlook) and SIP PBX/proxy. This is the "free" version of SIPTAPI. There is also an enhanced commercial version available at www.ipcom.at.
    Downloads: 7 This Week
    Last Update:
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  • 5
    Activa brings the Asterisk IP PBX to the call center. Built on top of Asterisk, Activa components enable successful call center implementations adding value in areas such as computer telephony, screenpop&click2dial, agent control, automatic dialing...
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    Downloads: 3 This Week
    Last Update:
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  • 6
    A lightweight cross platform IP telephony client using the IAX protocol, designed for use with the asterisk open source PBX.
    Downloads: 5 This Week
    Last Update:
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  • 7
    PLEASE NOTE that all current AstLinux development is on GitHub: https://github.com/astlinux-project/astlinux Thanks to SourceForge for providing free hosting to the AstLinux Project for more than 10 years! Old source archive remains on SourceForge. AstLinux is a custom Linux distro centered around Asterisk, the Open Source PBX. AstLinux has many features that make it ideal for embedded and commercial Asterisk based solutions.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 8
    VoiceOne gives you the ability to install and compleatly configure a pbx platform based on Asterisk 1.8 with an easy to use web GUI, which would be a framework to build a communication server adding various plugins.
    Downloads: 7 This Week
    Last Update:
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  • 9
    The Asterisk .NET library consists of a set of C# classes that allow you to easily build applications that interact with an Asterisk PBX Server (1.0/1.2/1.4 version). Both FastAGI and Manager API supported. .NET/Mono compatible.
    Downloads: 2 This Week
    Last Update:
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  • 10
    AMS is a suite of software intended to make day to day administration and monitoring of an Asterisk PBX server easier. It contains a daemon that acts as a proxy to Asterisk's Manger Interface and a GTK GUI application for monitoring and administration.
    Downloads: 2 This Week
    Last Update:
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  • 11
    A set of JNI classes providing direct access to Asterisk PBX functionality from Java. This is not a socket-level interface into the Asterisk manager app but a true Java<->Asterisk integration at the Thread level.
    Downloads: 1 This Week
    Last Update:
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  • 12
    ST-PBX Live is a GNU/Debian Linux distribution integrating Asterisk, freePBX and other tools to try from CD or install in HD a complete VoIP system.
    Downloads: 1 This Week
    Last Update:
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  • 13
    *starShop is a professional billing and monitoring system based on Asterisk PBX for call shops (taxiphone), Internet cafes, libraries, schools and any place that provide phone calls for public use. For the latest news visit tinyurl.com/2cfwnn
    Downloads: 0 This Week
    Last Update:
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  • 14
    Initiate calls from your Desktop (Requires InternetBrowser with Flash 8 & Asterisk/CallWeaver PBX)
    Downloads: 0 This Week
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  • 15
    AstWeb - An Asterisk PBX Web based management and client access tool written in PHP. Allows access to PBX configuration, CDRs, Voicemail, and more...
    Downloads: 0 This Week
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  • 16
    AGIS stands for Asterisk Groupware Integration Server. It provides a SOAP backend for access and configuration of the Asterisk PBX. Further it implements a SOAP based Asterisk application for E-Groupware with management functions for users and admins.
    Downloads: 0 This Week
    Last Update:
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  • 17
    Asterisk PBX Project Repository. This is a centralized location for various components of the Asterisk PBX that are either in development or have not been merged into the Asterisk source tree. This includes the Asterisk Documentation Project.
    Downloads: 0 This Week
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  • 18
    PNX system develops the middle-ware source code to glue Asterisk with a number of powerful telephony products such as: 1) OpenH323 H.323 stack 2) Vovida SIP stack 3) Bayonne Voice Automation Platform The advantages? An advanced IP PBX supporting the wide
    Downloads: 0 This Week
    Last Update:
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  • 19
    DeStar is a web based high-level management and configuration tool for the open-source PBX Asterisk.
    Downloads: 0 This Week
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  • 20
    Dreadnought is a client/server application to configure the Open Source Linux PBX Asterisk.
    Downloads: 0 This Week
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  • 21
    Farfon, was the world's first designed from the ground up IAX2 phone created to work with Asterisk PBX.
    Downloads: 0 This Week
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  • 22
    FreePBX is the most widely deployed Asterisk based PBX application with over 3 million direct and indirect downloads. It transforms your LAMPA stack into a powerful PBX. See http://www.freepbx.org for Forums, Docs, Bug Tracker, Project Site and more.
    Downloads: 0 This Week
    Last Update:
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  • 23
    JAGIServer is an Open Source, Multi-Threaded 100% Pure Java AGI Server for use with the Asterisk PBX (TM), providing full AGI call handling functionality. THIS PROJECT HAS BEEN REPLACED BY ORDERLYCALLS
    Downloads: 0 This Week
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  • 24
    Jabast connects XMPP Clients to a asterisk PBX to allow extension listening, calls and presence controle for Agents.
    Downloads: 0 This Week
    Last Update:
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  • 25
    JabbahVoice is an open-source framework which allows developers to easily create and extend voice portals using Asterisk (www.asterisk.org), the famous open-source IP PBX.
    Downloads: 0 This Week
    Last Update:
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