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Gizmo5 Alternatives

Gizmo5 is described as '(formerly known as Gizmo Project ) is a Voice over Internet Protocol communications network and a proprietary freeware soft phone for that network. You can chat with Gizmo, MSN, AIM, Yahoo, and Jabber contacts and call any number or Gizmo contacts from your mobile phone' and is an app in the social & communications category. There are more than 10 alternatives to Gizmo5 for a variety of platforms, including Windows, Linux, Mac, Android and iPhone. The best alternative is Skype, which is free. Other great apps like Gizmo5 are RetroShare, Linphone, Empathy and Imo.

Gizmo5 alternatives are mainly Instant Messengers but may also be Video Calling Apps or Encrypted Chat Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Gizmo5.
This page was last updated
Gizmo5 iconGizmo5
  4
  • Free • Proprietary
  • Mac
  • Windows
  • Linux
  • Java Mobile
  • Symbian S60

Gizmo5 (formerly known as Gizmo Project ) is a Voice over Internet Protocol communications network and a proprietary...

Learn more about Gizmo5
  1. Skype icon

    Skype

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    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Blackberry
    • Chrome OS
    • Windows S
    • Android Tablet
    • BSD
    • Windows Phone
    • iPad
    • Android Wear
    • PortableApps.com
    311 alternatives to Skype 

    Skype is the most popular free voice-over IP and instant messaging service globally. It allows users to text, video and voice call over the internet. Users can also call landlines and mobiles at competitive rates using Skype credit, premium accounts and subscriptions.

     Suggest and vote on features
    Features
    1.  Screen SharingYou can use Skype to share your screen with your colleages or friends.
    2.  VoiP CallsSkype allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
    3.  LightweightSkype consumes less device resources compared to similar apps.
    4.  Live Captions TranslationSkype can add captions to a video call, audio messages or multimedia file and translate them in real time.
    5.  IFTTT IntegrationYou can connect different services to automatically trigger actions within Skype using IFTTT.
    Main window on MS Windows
    Call on Windows
  2. RetroShare icon

    RetroShare

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    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • OpenSSL
    • OpenPGP
    95 alternatives to RetroShare 

    RetroShare is a open source cross-platform, private and secure decentralized communication system. It lets you to securely chat, share photos, videos, and more, using OpenPGP to authenticate peers and .

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    Features
    1.  DecentralizedRetroShare is based on a decentralized infrastructure with no single entity controlling it.
    2.  Privacy focusedRetroShare is considered a privacy friendly alternative.
    3.  End-to-End EncryptionRetroShare has E2E Encryption, for entire or parts of the app.
    4.  GPG EncryptionRetroShare supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
    Screenshot
    Screenshot
  4. Linphone icon

    Linphone

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    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Xfce
    77 alternatives to Linphone 

    Linphone is one of the most famous open source softphones in the world. It is fully SIP-based, for all calling, presence and IM features.

     Suggest and vote on features
    Features
    1.  End-to-End EncryptionLinphone has E2E Encryption, for entire or parts of the app.
    iOS Assistant
    iOS Assistant form
  5. Empathy icon

    Empathy

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    • Linux
    • BSD
    140 alternatives to Empathy 

    Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell it about your accounts on all those services and do all your chatting within one application.

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    Features
    Discontinued

    Empathy is currently unmaintained. Last version, 3.25, released in August 2017, can be still downloaded from the official website.

    Screenshot
  6. Imo icon

    Imo

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    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    124 alternatives to Imo 

    Imo offline badge imo rewad win.

     Suggest and vote on features
    Features
    1.  VoiP CallsImo allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
    2.  Expiring StoriesYou can create, view, interact and share temporary stories in Imo.
    Screenshot
    Screenshot
  8. Zoiper icon

    Zoiper

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    • Free Personal • Proprietary
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Windows Phone
    41 alternatives to Zoiper 

    Zoiper IAX & SIP multilanguage and multiplatform (Windows, Linux and Mac OS X) softphone is a VoIP soft client, meant to work with any IP-based communications systems and infrastructure.

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    Features
    1.  VoiP CallsZoiper allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
    Phone to dial
    Call Contact
  9. Blink icon

    Blink

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    • Mac
    • Windows
    • Linux
    40 alternatives to Blink 

    Blink is the best real-time communications client using the SIP protocol.

     Suggest and vote on features
    Features
    1.  Desktop SharingBlink enables you to share your screen with other people in the same office or working remotely.
    2.  Screen SharingYou can use Blink to share your screen with your colleages or friends.
    3.  End-to-End EncryptionBlink has E2E Encryption, for entire or parts of the app.
    Screenshot
    Screenshot
  10. Tkabber icon

    Tkabber

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    • Mac
    • Windows
    • Linux
    • BSD
    48 alternatives to Tkabber 

    Tkabber is a Free and Open Source client for the Jabber instant messaging system. Its writen in Tcl/Tk, and works on many platforms (tested on Linux, FreeBSD, NetBSD, Solaris, MacOS X and Windows 98/2000/XP).

     Tkabber has no features, suggest some!
    Login
  11. Voxox CloudPhone icon

    Voxox CloudPhone

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    • Online
    • Android
    • iPhone
    53 alternatives to Voxox CloudPhone 

    Cloud Phone is a virtual pbx that enables small businesses to quickly, easily, and affordably set up a business phone solution without having to purchase hardware

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    Features
    Screenshot
  12. QuteCom icon

    QuteCom

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    • Mac
    • Windows
    • Linux
    • PortableApps.com
    59 alternatives to QuteCom 

    QuteCom is a community of enthusiasts and developers, creating free software products related to communication over IP. The flagship product of the QuteCom project is a softphone which allows you to make free PC to PC video and voice calls, and to integrate all your IM contacts...

     Suggest and vote on features
    Features
    1.  PortableQuteCom can be used from a USB stick or similar with no prior installation.
    2.  VoiP CallsQuteCom allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
    Discontinued

    The official website is no longer available. Last version, 2.2.1, released in May 2011, can be still downloaded from Wayback Machine.

    Screenshot
Showing 10 of 12 alternatives
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