The Best 51 Psi Alternatives

  • 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

  • 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

  • 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).

    Free Open Source Mac OS X Windows Linux BSD

  • 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

  • Ayttm

    Ayttm is an instant messaging (aka chat) client that provides all-in-one chat functionality for several major instant messaging services from one simple program.

    Free Open Source Windows Linux BSD

  • Tpad

    Tpad is a free program that uses the latest VoIP / SIP technology to bring free and crystal clear voice quality communications to any user all over the world.

    Free Windows Web

  • 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

  • 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

  • Spotbros

    Spotbros is an app where you can discover and share all types of content through public chat groups (Spots) or with your friends through private chats. Download our messaging app and get 1TB of free storage in the Spotbros cloud

    Free Android iPhone Web

  • Sim-IM

    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) protocols.

    Free Windows Linux BSD

  • 4talk Messenger

    4talk IM service is a complete IM service for communicating with your phone contacts using your PC in the office or at home. You can transfer files and messages and...

    Freemium Mac OS X Windows Android iPhone Web

  • 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