AlternativeTo Logo

Free 3CX Alternatives

The best free alternative to 3CX is Asterisk, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to 3CX and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to 3CX are FreePBX, Paltalk, FreeSWITCH and YakYak.

3CX alternatives are mainly Instant Messengers but may also be Video Calling Apps or Error Loggers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of 3CX.
This page was last updated
3CX icon3CX
  14
  • FreemiumProprietary
  • Mac
  • Windows
  • Linux
  • Online
  • Android
  • iPhone
  • Android Tablet
  • iPad
  • Self-Hosted
  • Microsoft Exchange Server
  • Raspberry Pi
  • Microsoft Office Suite

The 3CX Phone System is the software-based private branch exchange (PBX) Phone system based on the SIP (Session Initiation...

Learn more about 3CX

  1. Asterisk icon

    Asterisk

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    Asterisk is free software that transforms a computer into a communication server. Asterisk lets you build applications like PBX, VoIP gateway, IVR and ACD.

    Screenshot
    Almost everyone thinks Asterisk is a great alternative to 3CX.
  2. FreePBX icon

    FreePBX

    • FreeOpen Source
    • Linux

    FreePBX is a web-based open source GUI (graphical user interface) that controls and manages Asterisk (PBX), an open source communication server. FreePBX is licensed under the GNU General Public License (GPL), an open source license.

    Screenshot


  3. Paltalk icon

    Paltalk

    • FreemiumProprietary
    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Kindle Fire

    Paltalk is an instant messaging service that enables users to communicate via internet chat, voice and video chat. It offers chat rooms and the ability for users to create their own public virtual chat room.

    Screenshot
  4. FreeSWITCH icon

    FreeSWITCH

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • BSD

    FreeSWITCH is a scalable open source cross-platform telephony platform designed to route and interconnect popular communication protocols using audio, video, text or any other form of media. It was created in 2006 to fill the void left by proprietary commercial solutions.

    Screenshot
  5. YakYak icon

    YakYak

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Hangouts

    Desktop client for Google Hangouts.

    Screenshot
    YakYak vs 3CX opinions
    This alternative is disputed. YakYak is still a legitimate alternative to 3CX, but it might have issues that some users think are important.

    YakYak is a client for Google Hangouts, while 3CX is a VoIP call center system

    Negative comment ago
    Copy a direct link to this comment to your clipboard   
    If this Comment contains spam or other abuse, notify admins about it.

    12


  6. Kamailio icon

    Kamailio

    • FreeOpen Source
    • Linux

    Kamailio® (successor of former OpenSER and SER) is an open source SIP server released under GPL, able to handle thousands of call setups per second.

    No screenshots yet
  7. Wazo icon

    Wazo

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Self-Hosted

    Wazo is mainly an IPBX that provides communication services such audio, video, and instant messaging based on the use of standard network technologies such as the TCP/IP protocol.

    Screenshot
  8. Yate - Yet Another Telephony Engine icon

    Yate - Yet Another Telephony Engine

    • FreeOpen Source
    • Linux

    Yate is a softswitch (concept of separating the network hardware from network software).

    No screenshots yet
  9. XiVO icon

    XiVO

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    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 telephones.

    Screenshot
  10. Spreed is the worldwide unified web conferencing service offering integrated web and telephone conferencing. It is based on Flash Player. Free service includes 3 attendees and max 1.5h meetings. Single events or monthly service can be purchased.

    Conference Interface
Showing 10 of 22 alternatives