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.

  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
    Sign up for free
  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
    Start Free
  • 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)
    Leader badge
    Downloads: 359 This Week
    Last Update:
    See Project
  • 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.
    Leader badge
    Downloads: 205 This Week
    Last Update:
    See Project
  • 3
    Asterisk GUI client, VICIdial

    Asterisk GUI client, VICIdial

    VICIdial Contact Center Suite

    This software suite is designed to extend the functionality of the Asterisk PBX through platform-independant web-client applications. Includes the VICIdial inbound/outbound contact center application. The suite is scalable across multiple Asterisk servers.
    Leader badge
    Downloads: 94 This Week
    Last Update:
    See Project
  • 4
    IAXmodem is a software modem written in C that uses an IAX channel (commonly provided by an Asterisk PBX system) instead of a traditional phone line and uses a DSP library instead of DSP hardware chipsets.
    Downloads: 41 This Week
    Last Update:
    See Project
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 5
    YetiForce CRM

    YetiForce CRM

    The most affordable CRM system according to Capterra

    Are you looking for a system to boost your sales? Do you want to improve your relationships with customers? Do you want to contribute to the fastest growing open source project on GitHub? You can use YetiForce completely free of charge. With YetiForce’s help you will manage 12 business processes in your company, no matter the size. The vast number of features available for free helped us win the first place in Capterra’s “Most Affordable CRM Software” ranking. YetiForce’s open source code was released under a very flexible and liberal license, which gathers a large and active community around the project. You too can contribute to it no matter if you are a professional programmer or software development is just your hobby. Download YetiForce for free and find out why you should become one of more than 250 000 people who already use it. Testing versions: GitStable: https://gitstable.yetiforce.com/ GitDeveloper: https://gitdeveloper.yetiforce.com/
    Downloads: 21 This Week
    Last Update:
    See Project
  • 6
    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:
    See Project
  • 7
    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:
    See Project
  • 8
    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:
    See Project
  • 9
    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:
    See Project
  • Build Securely on AWS with Proven Frameworks Icon
    Build Securely on AWS with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 10
    The ATSlog software provides a handy web-oriented interface for collecting, viewing and analysing calls for various types of PBX (Private Branch eXchange) models.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 11
    An Open H.323 based channel driver for the the Asterisk PBX. This code has now been intergrated into the Asterisk source tree. Please see the Asterisk source tree for any future updates of this software.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 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:
    See Project
  • 13
    Process flow designer that creates applications (Saflets) for us in the SafiServer engine. SafiWorkshop is used for the design, real time debugging and deployment of advanced flow based applications. Currently tailored for use with Asterisk PBX.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 14
    *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:
    See Project
  • 15
    A complete contact center solution for the Asterisk PBX, capable of handling inbound and outbound campaigns. Provides an agent toolbar for CTI. For managers an admin panel controls every aspect of the call center. Stunning historical and realtime stats.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    MOR is Billing System for Asterisk PBX. It supports postpaid/prepaid billing with LCR and Fail-Over. Realtime Asterisk management using web interface. Reporting and advanced rating. Based on fast C application for Asterisk and Ruby On Rails GUI.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Initiate calls from your Desktop (Requires InternetBrowser with Flash 8 & Asterisk/CallWeaver PBX)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    AstTapi, an opensource Asterisk Tapi driver for windows. This allows users of TAPI compliant applications such as Outlook and Act to dial contacts directly from the application using an Asterisk PBX Server.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    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
    Last Update:
    See Project
  • 20
    Asterisco Settings is a Webmin module to configure and manage Asterisk PBX
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Asterisk Channels Live

    Asterisk Channels Live

    This is a PBX dashboard showing the peer,queue,agent at real time

    http://www.astchannelslive.com/sourceforge.php This is a dashboard work with Asterisk(FreePBX) any other installation: 1. Showing the peer status 2. queue,agent at real time 3. Hangup, Spy,....
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    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:
    See Project
  • 23
    AM - Asterisk PBX GUI Configuration/Management System. AM provides a HTML interface for creating Asterisk configuration (.conf) files. It also allows you to remotely manage and monitor your PBX.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    An extension to the standard Asterisk PBX expanding it's capabilities to include messaging.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    Asterisk PBX Integration Zimlet is an Extension for Zimbra Collaboration Suite. The Zimlet does Interface with the Asterisk Manager Interface to integrate with Asterisk PBX. The main focus is dial-on-click for Phone numbers inside Contacts and Emails.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • Next