Sim-IM AlternativesInstant Messengers and other similar apps like Sim-IM

Sim-IM is described as 'Simple Instant Messenger, is a multiple protocol instant messenger for MS Windows, GNU/Linux, FreeBSD. Sim-IM supports Jabber/XMPP, Google Talk, ICQ and AIM (Oscar), Yahoo! Messenger and Microsoft Messenger (MSN)' and is a instant messenger in the online services category. There are more than 25 alternatives to Sim-IM for a variety of platforms, including Mac, Windows, Linux, BSD and Android apps. The best Sim-IM alternative is Thunderbird, which is both free and Open Source. Other great apps like Sim-IM are Pidgin, Adium, Franz and Trillian.

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Alternatives list

  1. Thunderbird icon

    Thunderbird

     2522 likes
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    Cross-platform email client supporting multiple identities, chat, and strong filtering. Extend functionality with add-ons like RSS/Atom feed readers and PGP support.

    87 Thunderbird alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • AppImageHub
    • Snapcraft
    • Flathub
    • PortableApps.com
    • F-Droid
    • Haiku
    • Homebrew
    • Chocolatey
    Thunderbird screenshot 1
     

    • Thunderbird is the most popular Windows, Android, Mac & Linux alternative to Sim-IM.

    • Thunderbird is the most popular Open Source & free alternative to Sim-IM.

    • Thunderbird is Free and Open SourceSim-IM is Free and Proprietary
    • Thunderbird is Customizable and Privacy focusedSim-IM is not according to our users
  2. Pidgin icon

    Pidgin

     1529 likes
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    Pidgin is a chat program which lets you log into accounts on multiple chat networks simultaneously. This means that you can be chatting with friends on XMPP and sitting in an IRC channel at the same time.

    118 Pidgin alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Flathub
    • PortableApps.com
    Pidgin screenshot 1
     
  4. Adium icon

    Adium

     338 likes
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    Adium is a free and open source instant messaging application for Mac OS X, written using Mac OS Xs Cocoa API, released under the GNU GPL and developed by the Adium team. Based on the libpurple protocol library, Adium can connect you to any number of messaging accounts on any...

    68 Adium alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    Adium screenshot 1
     
  5. Franz icon

    Franz

     120 likes
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    Franz is a free messaging app / former Emperor of Austria and combines chat & messaging services into one application. Franz currently supports Slack, WhatsApp, WeChat, HipChat and many more. You can download Franz for Mac, Windows & Linux.

    69 Franz alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Franz screenshot 1
     
  6. Trillian icon

    Trillian

     280 likes
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    Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped as text messages on your phone.

    149 Trillian alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Blackberry
    • iPad
    • Software as a Service (SaaS)
    Trillian screenshot 1
     

    • Trillian is the most popular Web-based, iPhone, iPad & SaaS alternative to Sim-IM.

    • Trillian is Freemium and ProprietarySim-IM is Free and Proprietary
  7. Messenger icon

    Messenger

     231 likes
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    Provides comprehensive communication features including group video calls, voice calls, fast messaging, photo sharing, and location mapping. Access through mobile and web platforms with real-time notifications, ensuring seamless interactions using multimedia tools.

    195 Messenger alternatives

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Android Auto
    • Android Wear
    Messenger screenshot 1
    Messenger screenshot 2
    Messenger screenshot 3
     

    • Messenger is the most popular Android Tablet alternative to Sim-IM.

    • Messenger is Free and ProprietarySim-IM is also Free and Proprietary
  9. Psi XMPP Client icon

    Psi XMPP Client

     92 likes
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    Feature-rich XMPP client for advanced users offering strong customization options, secure encrypted messaging (TLS, OpenPGP, OTR, OMEMO), file transfers, audio/video calls, support for animated emoticons, modern themes, group messaging, and multi-platform compatibility.

    44 Psi XMPP Client alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Haiku
    Psi XMPP Client screenshot 1
     
  10. Empathy icon

    Empathy

     157 likes
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    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.

    Cost / License

    • Free
    • Open Source

    Application types

    Alerts

    • Discontinued

    Platforms

    • Linux
    • BSD
    Empathy screenshot 1
     
  11. imo icon

    imo

     214 likes
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    Imo is a free, simple,secure and faster international video call & instant messaging app.

    126 imo alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    imo screenshot 1
     
  12. Kaidan icon

    Kaidan

     4 likes
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    Kaidan is a simple, user-friendly Jabber/XMPP client providing a modern user interface using Kirigami and QtQuick. The back-end of Kaidan is written in C++ using the QXmpp XMPP client library and Qt 5.

    79 Kaidan alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Android
    • Ubuntu Touch
    • Plasma Mobile
    • Flathub
    Kaidan screenshot 1
     
  13. Kopete icon

    Kopete

     72 likes
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    Kopete is an instant messenger supporting AIM, ICQ, Jabber, Gadu-Gadu, Novell GroupWise Messenger, and more. It is designed to be a flexible and extensible multi-protocol system suitable for personal and enterprise use.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Linux
    • BSD
    Kopete screenshot 1
     
12 of 40 Sim-IM alternatives