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 Windows, Mac, 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, Facebook Messenger and Trillian.

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Sim-IM alternatives are mainly Instant Messengers but may also be Video Calling Apps or Group Chat Apps.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Sim-IM.
Sim-IM iconSim-IM
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  • ...

Sim-IM, 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)

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Sim-IM alternatives page was last updated Jun 23, 2022
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  1. Thunderbird icon
    Thunderbird icon

    Thunderbird

     2407 likes
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    Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.

    88 Thunderbird alternatives
    Thunderbird screenshot 1

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • AppImageHub
    • Snapcraft
    • Flathub
    • PortableApps.com
    • Haiku
    • Homebrew
    • Chocolatey
    • F-Droid
    Thunderbird screenshot 1
    Thunderbird screenshot 2
    +8
    Thunderbird screenshot 3

    Properties

    1.  Customizable

    Features

    1.  Extensible by Plugins/Extensions
    2.  Multiple Account support
    3.  IMAP Support
    4.  Calendar Integration
    5.  SMTP Support
    6.  Email Organizer
    7.  Add-ons
    8.  Built-in RSS reader
    9.  POP3 Support
    10.  Graphical User Interface
    11.  Dark Mode
    12. Google Calendar icon  Google Calendar integration
    Thunderbird iconSim-IM Icon

    Thunderbird VS Sim-IM

    Is Thunderbird a good alternative to Sim-IM?
     

    • 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 CustomizableSim-IM is not according to our users
  2. Pidgin icon
    Pidgin icon

    Pidgin

     1518 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.

    125 Pidgin alternatives
    Pidgin screenshot 1

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Flathub
    • PortableApps.com
    Pidgin chat window
    Contact window
    +4
    For accounts on multiple chat networks

    Top Pidgin Features

    1.  Support for Multiple protocols
    2.  Extensible by Plugins/Extensions
    3.  Supports XMPP
    4.  Multiple Account support
    5.  IRC
    6.  Portable
    7.  No Tracking
    8.  Ad-free
    9.  VoiP Calls
    10.  Multiple languages
    11.  Xmpp
    12.  Multiple chat protocols
    Pidgin iconSim-IM Icon

    Pidgin VS Sim-IM

    Is Pidgin a good alternative to Sim-IM?
     
  4. Adium icon
    Adium icon

    Adium

     337 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...

    69 Adium alternatives
    Adium screenshot 1

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    Adium screenshot 1

    Properties

    1.  Support for Themes

    Features

    1.  Support for Multiple protocols
    2.  Xmpp
    3.  Supports XMPP
    4.  Multiple languages
    5.  Tabbed interface
    6.  Messages
    7.  OTR
    Discontinued

    The last update is from March 2021.

    Adium iconSim-IM Icon

    Adium VS Sim-IM

    Is Adium a good alternative to Sim-IM?
     
  5. Facebook Messenger icon
    Facebook Messenger icon

    Facebook Messenger

     229 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.

    203 Facebook Messenger alternatives
    Facebook Messenger screenshot 1
    Facebook Messenger screenshot 2
    +3
    Facebook Messenger screenshot 3

    License model

    • Free • Proprietary

    Application types

    Platforms

    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Android Wear

    Facebook Messenger Features

    1.  VoiP Calls
    2.  Expiring Stories
    3.  Face Filter
    4.  Stickers
    5.  Messages
    6.  Text messaging
    7.  In-app Money Transfer
    8.  Private messaging
    Facebook Messenger iconSim-IM Icon

    Facebook Messenger VS Sim-IM

    Is Facebook Messenger a good alternative to Sim-IM?
     

    • Facebook Messenger is the most popular Web-based, iPhone, iPad & Android Tablet alternative to Sim-IM.

    • Facebook Messenger is Free and ProprietarySim-IM is also Free and Proprietary
  6. Trillian icon
    Trillian icon

    Trillian

     279 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.

    154 Trillian alternatives
    Trillian screenshot 1

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Blackberry
    • iPad
    • Software as a Service (SaaS)
    Trillian screenshot 1
    Trillian screenshot 2
    +2
    Trillian screenshot 3

    Trillian Features

    1.  Support for Multiple protocols
    2.  Xmpp
    3.  Messages
    4.  IMAP Support
    5.  POP3 Support
    Trillian iconSim-IM Icon

    Trillian VS Sim-IM

    Is Trillian a good alternative to Sim-IM?
     

    • Trillian is the most popular SaaS alternative to Sim-IM.

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

    Franz

     117 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.

    75 Franz alternatives
    Franz screenshot 1

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux

    Top Franz Features

    1.  Support for Multiple protocols
    2. WhatsApp icon  Whatsapp integration
    3.  Unified messaging
    4.  Multiple Account support
    5.  Web application wrapper
    6.  Lightweight wrapper
    7.  Multi-messenger
    8.  Slack client
    9. Gmail icon  Gmail integration
    10.  iPhone/iPod sync
    11. Slack icon  Slack integration
    Franz iconSim-IM Icon

    Franz VS Sim-IM

    Is Franz a good alternative to Sim-IM?
     
  9. Empathy icon
    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.

    141 Empathy alternatives
    Empathy screenshot 1

    License model

    • Free • Open Source

    Application types

    Platforms

    • Linux
    • BSD
    chatroom - conference
    call

    Empathy Features

    1.  Unified messaging
    2.  Support for Multiple protocols
    3.  Xmpp
    4.  SIP
    5.  Integrated File Sharing
    6.  Voice Chat
    Discontinued

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

    Empathy iconSim-IM Icon

    Empathy VS Sim-IM

    Is Empathy a good alternative to Sim-IM?
     
  10. Psi+ icon
    Psi+ icon

    Psi+

     91 likes
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    Psi is a cross-platform powerful XMPP client designed for experienced users. Psi+ is a development branch of Psi with rolling release development model.

    Users who wants to receive new features and bug fixes very quickly may use Psi+ on daily basis. Users who do not care about ne.

    47 Psi+ alternatives
    Psi+ screenshot 1

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Haiku
    Psi+ screenshot 1

    Properties

    1.  Support for Themes
    2.  Privacy focused

    Features

    1.  Extensible by Plugins/Extensions
    2.  VoiP Calls
    3.  No Tracking
    4.  Ad-free
    5.  Multiple Account support
    6.  End-to-End Encryption
    7.  Decentralized
    8.  Xmpp
    9.  Support for Multiple protocols
    10.  OTR
    Psi+ iconSim-IM Icon

    Psi+ VS Sim-IM

    Is Psi+ a good alternative to Sim-IM?
     
  11. imo icon
    imo icon

    imo

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

    136 imo alternatives
    imo screenshot 1

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    imo screenshot 1
    imo screenshot 2
    +4
    imo screenshot 3

    imo Features

    1.  VoiP Calls
    2.  Expiring Stories
    3.  Push to talk
    4.  Stickers
    5.  Voice messages
    imo iconSim-IM Icon

    imo VS Sim-IM

    Is imo a good alternative to Sim-IM?
     
  12. Kopete icon
    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.

    49 Kopete alternatives
    Kopete screenshot 1

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    • Linux
    • BSD

    Kopete Features

    1.  Xmpp
    Discontinued

    This app is unmaintained and no longer released by the KDE community.

    Kopete iconSim-IM Icon

    Kopete VS Sim-IM

    Is Kopete a good alternative to Sim-IM?
     
  13. YakYak icon
    YakYak icon

    YakYak

     21 likes
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    Desktop client for Google Hangouts.

    100 YakYak alternatives
    YakYak screenshot 1

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Hangouts

    YakYak Features

    1.  Portable
    YakYak screenshot 1
    YakYak screenshot 2
    Discontinued

    The last version was released in June 2021.

    YakYak iconSim-IM Icon

    YakYak VS Sim-IM

    Is YakYak a good alternative to Sim-IM?
     
  14. IM+ icon
    IM+ icon

    IM+

     110 likes
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    Chat everywhere! IM+ is the most widely used mobile IM app! Connect all-in-one to MSN, Yahoo!, Google Talk, AIM, Jabber, ICQ, Facebook, MySpace and Twitter on ALL popular mobile platforms.

    The widest selection of unique features that you won't find in any other IM client!.

    105 IM+ alternatives
    IM+ Web Messenger

    License model

    • Freemium • Proprietary

    Application type

    Platforms

    • Online
    • Windows Mobile
    • Android
    • iPhone
    • Java Mobile
    • Symbian S60
    • HP webOS
    • Blackberry
    • Android Tablet
    • Windows Phone
    • iPad
    • Kindle Fire

    IM+ Features

    1.  Multiple Account support
    2.  Support for Multiple protocols
    IM+ on iPad
    IM+ on iPhone
    +6
    IM+ on Blackberry
    IM+ iconSim-IM Icon

    IM+ VS Sim-IM

    Is IM+ a good alternative to Sim-IM?
     
12 of 41 Sim-IM alternatives