Alternative apps to Slack:
  • 4.2
    236 votes
    All-in-one voice and text chat that's free, secure, and works on your desktop, web browser, and phone.
    • Freeware
    • Windows/macOS/Android/iOS
  • 3.8
    67 votes
    Teams brings together people, conversations and content, along with the tools that teams need to collaborate.
    • Freeware
    • Windows/macOS/Android/iOS
  • 4
    235 votes
    WhatsApp desktop app makes your Windows/Mac the ultimate messaging machine. Link up to 4 devices and 1 phone. The app does not require your phone to be online.
    • Freeware
    • Windows/macOS
  • 4.1
    1048 votes
    Facebook Messenger Free, the official Facebook app, allows you to instantly reach friends and create rooms with your contacts.
    • Freeware
    • Android/iOS
  • 4.3
    426 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/Android
  • 4.4
    27 votes
    Zoom is a free video meeting and screen sharing app for up to 100 people.
    • Freeware
    • Windows
  • 4.5
    33 votes
    Franz is your messaging app for WhatsApp, Facebook Messenger, Slack, Telegram and many many more.
    • Freeware
    • Windows/macOS/Linux
  • 4.6
    14 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
  • 3.7
    23 votes
    Supercharge team collaboration with group chat and IM.
    • Freeware
    • Windows/macOS/Linux/Android
  • 4.4
    9 votes
    Bring your teams together in a place that makes it easy to keep people and work connected.
    • Freeware
    • Windows/macOS/Android/iOS
  • 5 /5
    3 votes
    Tox is easy-to-use software that connects you with friends and family without anyone else listening in. Chat instantly across the globe with Tox's secure messages.
    • Freeware
    • Windows/macOS/Linux/Android
  • 5 /5
    1 votes
    Secure video calls, conferencing, chat, desktop sharing, file transfer, support for your favorite OS, and IM network
    • 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
    A complete suite of social collaboration, communication, sales and management tools for organizations.
    • Freeware
    • Windows
  • 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