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FusionPBX alternatives: 5 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rankAll business phone systems and PBX software

Top picks

Common reasons people leave FusionPBX: self-hosting means you handle security, firewalls and upgrades, and no official softphone apps; relies on third-party SIP clients. We ranked 5 alternatives by how directly each one replaces FusionPBX, then by reviews, real visits and how recently each app's facts were checked against its own website. Asterisk currently ranks first.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1Asterisk logoAsteriskOpen source—NoLinux, Self-hosted5 of 566.5
2FreeSWITCH logoFreeSWITCHOpen source—NoLinux, Self-hosted5 of 561.8
3RiRingCentral RingEXPaid$20 per user/month billed annually ($30 monthly)NoWeb, Windows, macOS +26 of 659.4
4Dialpad logoDialpadPaid$15 per user/month (Standard)NoWeb, Windows, macOS +37 of 757.5
5FreePBX logoFreePBXOpen source—NoSelf-hosted, Web3 of 340.0
  1. Asterisk logo

    1. AsteriskTop pick

    Best for: Telecom engineers and developers building a custom or self-hosted PBX on their own Linux servers.

    Open sourceLinux, Self-hosted

    66.5

    score / 100

    Why switch from FusionPBX

    The other major open-source engine, usually run with FreePBX for a similar web-managed PBX.

    Pros

    • Free and open source with no per-extension licence fees
    • Very flexible dialplan plus AMI, AGI and ARI interfaces for custom call apps
    • Works with SIP trunks, IP phones and analogue or digital phone lines
    • Large community and long track record

    Cons

    • No built-in web interface; configuration is text files unless you add FreePBX or similar
    • Steep learning curve around SIP, NAT and dialplan logic
    • Officially tested only on a handful of Linux distributions
    Visit Asterisk Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Asterisk a good FusionPBX alternative?

    Verified facts

    5 of 5 verified
    License
    GPL version 2 (commercial licences available)
    Checked Nov 8, 2026docs.asterisk.org(opens source in a new tab)
    Supported platforms
    x86 Linux: CentOS, RHEL, Fedora, Ubuntu, Debian
    Checked Nov 8, 2026docs.asterisk.org(opens source in a new tab)
    APIs
    AMI, AGI and ARI
    Checked Nov 8, 2026docs.asterisk.org(opens source in a new tab)
    Uses
    IP PBX, VoIP gateways, conferencing
    Checked Nov 8, 2026docs.asterisk.org(opens source in a new tab)
    Owner
    Digium (formerly Linux Support Services)
    Checked Nov 8, 2026docs.asterisk.org(opens source in a new tab)
  2. FreeSWITCH logo

    2. FreeSWITCH

    Best for: Developers and providers building high-volume voice, conferencing or contact-centre platforms.

    Open sourceLinux, Self-hosted

    61.8

    score / 100

    Why switch from FusionPBX

    Work with the underlying engine directly when you need custom call logic beyond the web UI.

    Pros

    • Handles large call volumes and multi-tenant setups well
    • Built-in WebRTC, conferencing and media transcoding
    • Programmable through Event Socket and embedded scripting

    Cons

    • Package downloads require signing up for a SignalWire account
    • No office-style admin UI out of the box; needs a front end like FusionPBX
    • XML configuration and dialplan take time to learn
    Visit FreeSWITCH Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is FreeSWITCH a good FusionPBX alternative?

    Verified facts

    5 of 5 verified
    First released
    2006
    Checked Nov 8, 2026signalwire.com(opens source in a new tab)
    Maintainer
    SignalWire
    Checked Nov 8, 2026signalwire.com(opens source in a new tab)
    Download requirement
    Free SignalWire account
    Checked Nov 8, 2026signalwire.com(opens source in a new tab)
    Editions
    Open source and commercial Enterprise
    Checked Nov 8, 2026developer.signalwire.com(opens source in a new tab)
    WebRTC
    Yes
    Checked Nov 8, 2026developer.signalwire.com(opens source in a new tab)
  3. Ri

    3. RingCentral RingEX

    Best for: Companies with several offices that want phones, chat and video meetings from one vendor

    PaidWeb, Windows, macOS, iOS, Android

    59.4

    score / 100

    Why switch from FusionPBX

    A hosted business phone service, so you stop maintaining FreeSWITCH servers and get mobile apps, video and SMS from one vendor.

    Pros

    • Phone, team chat and video meetings in a single app
    • Unlimited domestic calling on every plan
    • Multi-site management on Advanced and up
    • Works with desk phones as well as apps

    Cons

    • SMS allowances are small on the entry plan (25 per user)
    • CRM integrations need the Advanced plan or higher
    • Free trial is limited to five users and excludes SMS
    Visit RingCentral RingEX Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is RingCentral RingEX a good FusionPBX alternative?

    Verified facts

    6 of 6 verified
    Starting price
    $20 per user/month billed annually ($30 monthly)
    Checked Nov 8, 2026ringcentral.com(opens source in a new tab)
    Meeting size
    300 participants
    Checked Nov 8, 2026ringcentral.com(opens source in a new tab)
    Free trial
    Up to 5 users
    Checked Nov 8, 2026ringcentral.com(opens source in a new tab)
    Platforms
    Windows, macOS, Android, iOS, browser
    Checked Nov 8, 2026ringcentral.com(opens source in a new tab)
    Advanced plan
    $25 per user/month billed annually ($35 monthly)
    Checked Nov 8, 2026ringcentral.com(opens source in a new tab)
    Ultra plan
    $35 per user/month billed annually ($45 monthly)
    Checked Nov 8, 2026ringcentral.com(opens source in a new tab)
  4. Dialpad logo

    4. Dialpad

    Best for: Teams that want calls, meetings and texts in one app with AI transcripts and summaries built in

    PaidWeb, Windows, macOS, iOS, Android, Browser extension

    57.5

    score / 100

    Why switch from FusionPBX

    Cloud phone system with built-in AI call transcription, for teams that would rather pay per user than run their own PBX.

    Pros

    • Real-time transcription and call summaries on the base plan
    • Calling, messaging and meetings in one app
    • Separate products for sales and contact center teams
    • Apps for Windows, Mac, mobile, web and Chrome

    Cons

    • CRM integrations start on the Pro tier, not the cheapest plan
    • Contact center plans are much pricier than the phone plans
    • Several overlapping product lines make plan choice harder
    Visit Dialpad Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Dialpad a good FusionPBX alternative?

    Verified facts

    7 of 7 verified
    Starting price
    $15 per user/month (Standard)
    Checked Nov 8, 2026dialpad.com(opens source in a new tab)
    Contact center starting price
    $89 per user/month
    Checked Nov 8, 2026dialpad.com(opens source in a new tab)
    International numbers
    50+ countries
    Checked Nov 8, 2026dialpad.com(opens source in a new tab)
    CRM integrations
    Salesforce, HubSpot, Zoho
    Checked Nov 8, 2026dialpad.com(opens source in a new tab)
    Platforms
    Windows, Mac, iOS, Android, web, Chrome
    Checked Nov 8, 2026dialpad.com(opens source in a new tab)
    Pro plan
    $25 per user/month
    Checked Nov 8, 2026dialpad.com(opens source in a new tab)
    Contact center plan
    From $89 per user/month (Essentials)
    Checked Nov 8, 2026dialpad.com(opens source in a new tab)
  5. FreePBX logo

    5. FreePBX

    Best for: IT teams and VoIP resellers who want a free, self-hosted Asterisk PBX managed from a browser

    Open sourceSelf-hosted, Web

    40.0

    score / 100

    Why switch from FusionPBX

    Widely used open-source web GUI for Asterisk with a large module ecosystem and community.

    Pros

    • Free, open-source GUI that hides most of Asterisk's configuration files
    • Modular, with a large community forum and long track record
    • Commercial modules and support available from Sangoma if needed

    Cons

    • Needs telephony and Linux knowledge to set up and keep secure
    • Some useful features, such as endpoint manager, are paid commercial modules
    • Upgrades between major versions can break modules
    Visit FreePBX Details and reviews
    How this score is calculated
    Editorial fit ×0.312
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is FreePBX a good FusionPBX alternative?

    Verified facts

    3 of 3 verified
    What it is
    Open-source GUI for Asterisk PBX
    Checked Nov 8, 2026community.freepbx.org(opens source in a new tab)
    License
    GPL-3.0
    Checked Nov 8, 2026github.com(opens source in a new tab)
    Installation
    FreePBX 17 install script
    Checked Nov 8, 2026github.com(opens source in a new tab)

The best FusionPBX alternative for…

The highest-ranked app in this list for each need.

Asterisk logo

Best FusionPBX alternative for most people

Asterisk

The other major open-source engine, usually run with FreePBX for a similar web-managed PBX.

FreeSWITCH logo

Best FusionPBX alternative for a free option

FreeSWITCH

Work with the underlying engine directly when you need custom call logic beyond the web UI.

Ri

Best FusionPBX alternative for Mac

RingCentral RingEX

A hosted business phone service, so you stop maintaining FreeSWITCH servers and get mobile apps, video and SMS from one vendor.

Dialpad logo

Best FusionPBX alternative for Windows

Dialpad

Cloud phone system with built-in AI call transcription, for teams that would rather pay per user than run their own PBX.

Asterisk logo

Best FusionPBX alternative for Linux

Asterisk

The other major open-source engine, usually run with FreePBX for a similar web-managed PBX.

Ri

Best FusionPBX alternative for iPhone and Android

RingCentral RingEX

A hosted business phone service, so you stop maintaining FreeSWITCH servers and get mobile apps, video and SMS from one vendor.

FreePBX logo

Best FusionPBX alternative for working in the browser

FreePBX

Widely used open-source web GUI for Asterisk with a large module ecosystem and community.

FusionPBX alternatives: common questions

What is the best alternative to FusionPBX?

Asterisk ranks first right now. The other major open-source engine, usually run with FreePBX for a similar web-managed PBX. FreeSWITCH and RingCentral RingEX follow it in our ranking.

FusionPBX vs Asterisk: what's the difference?

Both FusionPBX and Asterisk are free and open source. Both run on Linux.

Is FusionPBX free?

FusionPBX is free and open source.

How much do FusionPBX alternatives cost?

Verified prices for the top-ranked FusionPBX alternatives: RingCentral RingEX, $20 per user/month billed annually ($30 monthly); Dialpad, $15 per user/month (Standard). Each price was checked on the app's own site; see each card below for the date and source.

Is there a free alternative to FusionPBX?

Yes. Asterisk (open source), FreeSWITCH (open source) and FreePBX (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to FusionPBX?

None of the 5 alternatives in this list is open source.

Which FusionPBX alternatives work on Linux?

Asterisk and FreeSWITCH run on Linux.

Why do people switch from FusionPBX?

The complaints we hear most: self-hosting means you handle security, firewalls and upgrades; no official softphone apps; relies on third-party SIP clients; admin interface is dense and dated compared with commercial systems.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces FusionPBX, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.