Alternative apps to Slack:
  • 4.34.3
    332 votes

    Skype is free and simple software that will enable you to make free calls anywhere in the world in minutes.

    • Freeware
    • Windows/macOS/Linux
  • 33
    13 votes

    Supercharge team collaboration with group chat and IM.

    • Freeware
    • Windows/macOS/Linux/Android
  • 4.34.3
    11 votes

    Like WhatsApp Web, the desktop app is an extension of your phone: the app mirrors conversations and messages from your mobile device.

    • Freeware
    • Windows/macOS
  • Not rated yet
    0 votes

    Bring your teams together in a place that makes it easy to keep people and work connected. 

    • Freeware
    • Windows/macOS/Android/iOS
  • Not rated yet
    0 votes

    From group messages and video calls all the way to helpdesk killer features our goal is to become the number one cross-platform open source chat solution.

    • Freeware
    • Windows
  • Not rated yet
    0 votes

    Say goodbye to relying on email and meetings.

    • Freeware
    • Windows/macOS/Android/iOS
  • Not rated yet
    0 votes

    Fleep enables communication within and across organizations - be it your team chats, project communication or 1:1 conversations.

    • Freeware
    • Windows
  • Not rated yet
    0 votes

    A complete suite of social collaboration, communication, sales and management tools for organizations.

    • Freeware
    • Windows
  • Not rated yet
    0 votes

    Franz is a free messaging app that combines chat & messaging services into one application. Franz currently supports Slack, WhatsApp, WeChat, HipChat, Facebook Messenger, Telegram, Hangouts, GroupMe, Skype, and more.

    • Freeware
    • Windows/macOS/Linux
  • Not rated yet
    0 votes

    Secure video calls, conferencing, chat, desktop sharing, file transfer, support for your favorite OS, and IM network

    • Freeware
    • Windows