The Best 52 Sim-IM Alternatives

  • Kadu

    Kadu is an open source Jabber/XMPP and Gadu-Gadu instant messenger client for Linux, *BSD, Mac and Windows.

    Free Open Source Mac OS X Windows Linux BSD

  • Gaption

    Gaption is an online platform that allows users to receive rewards and royalties from their content and social networking activities.

    Freemium iPhone iPad Web

  • YakYak

    What does it do: * Send/receive chat messages * Create/change conversations (rename, add people) * Leave/delete conversation * Notifications * Toggle notifications on/off * Drag-drop, copy-paste or attach-button...

    Free Open Source Mac OS X Windows Linux Hangouts

  • Coccinella

    Coccinella is a free and open-source cross-platform instant messaging client with a built-in whiteboard for improved collaboration with other people.

    Free Open Source Mac OS X Windows Linux BSD

  • Bleep

    Private instant messaging via secure, distributed technology. Download & Go Enjoy the benefits of having an account without the hassle of creating one. Simply...

    Free Mac OS X Windows Android iPhone Android Tablet

  • Pinger

    Pinger lets you text and talk free with the people you care about most, anywhere on the planet. Tap a picture and you'll see all of your communications—texts, pics, calls, voicemails—all in one place.

    Free Personal Mac OS X Windows Android iPhone Web

  • BitlBee

    BitlBee brings IM (instant messaging) to IRC clients. It's a great solution for people who have an IRC client running all the time and don't want to run an additional MSN/AIM/whatever client.

    Free Open Source Mac OS X Windows Linux BSD

  • Messenger for Desktop

    A simple & beautiful app for Facebook Messenger. Chat without distractions on any Operating System.

    Free Open Source Mac OS X Windows Linux

  • Pandion

    Pandion is an open source instant messaging client for XMPP networks. Keep in touch with friends or collaborate with colleagues using Pandion instant messenger. Pandion is free software and uses open standards.

    Free Open Source Windows

  • AQQ Instant Messanger

    AQQ is a Polish (but available in English) multiprotocol instant messenger with support of: AQQ, Jabber, Gadu-Gadu, Tlen and ICQ.

    Free Windows

  • centerim

    Centerim is an command line interface chat client for the common protocols like icq, msn, aim, jabber, ...

    Free Open Source Mac OS X Linux BSD

  • Galaxium

    Galaxium is an instant messenger application designed for the GNOME desktop. It will allow you to connect to MSN, Jabber, and IRC.

    Free Linux

  • MetroIRC

    An IRC client for the Windows desktop which follows the Metro design guidelines.

    Free Open Source Windows

  • Linkello

    Linkello provides easy-to-use video calling right from your browser. FEATURES - Organize videocalls from an outstanding fluidity and quality (up to 4 people) -...

    Freemium Web