Slack AlternativesOnly apps categorised as Group Chat Apps - Page 8

The best Group Chat alternative to Slack is Element, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Slack and loads of them are Group Chat Apps so hopefully you can find a suitable replacement. Other interesting Group Chat App alternatives to Slack are Zulip, Mattermost, Discord and Rocket.Chat.

filter to find the best alternatives

Slack alternatives are mainly Group Chat Apps, but if you're looking for Team Collaboration Tools or Instant Messengers you can filter on that. Other popular filters include Self-Hosted + Open Source. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Slack.
Slack iconSlack
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  • ...

Facilitates teams' real-time collaboration with versatile chat interface and advanced search in configurable channels across multiple platforms.

More about Slack
More about Slack
Slack alternatives page was last updated May 9, 2025
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  1. Blink - The Frontline App icon

    Blink - The Frontline App

     2 likes
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    Blink is a team and employee app, with a Feed, Chat and Hub (for documents, links, files). Blink enabled you to organise your teams communication and content in one place. The Feed is both an internal social feed and integrates with external apps.

    License model

    • Free Personal • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Apple Watch
    Blink - The Frontline App screenshot 1

    Blink - The Frontline App Features

    1.  Team Messaging
    2.  Bots
    3.  Social intranet
    4.  Portal
    5. Zapier icon  Zapier integration
    6.  Channels

    Blink - The Frontline App VS Slack

     
  2. Kahla icon

    Kahla

     3 likes
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    Kahla is a free and open-source, cross-platform business messaging tool that supports end-to-end encrypted message communication and automatic destruction of messages.

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • Chrome OS
    • Android Tablet
    • Self-Hosted
    Kahla screenshot 1

    Kahla VS Slack

     
  4. Weavy icon

    Weavy

     1 like
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    Add contextual activity feeds, chat, and secure file sharing directly into your apps to increase user engagement, improve in-app retention, and reduce customer churn.

    License model

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    • Online
    • Self-Hosted
    • .NET Framework
    Weavy screenshot 1

    Weavy Features

    1.  Real time collaboration
    2.  On-premises software
    3.  Direct Messaging
    4.  Integrated Chat
    5.  Unlimited users
    6.  Integrated File Sharing
    7.  Embeddable

    Weavy VS Slack

     
  5. Ad
    Screenshot
    Zoho Cliq icon
    Zoho Cliq

    Zoho Cliq simplifies your team communication with organized conversations, information that's easy to find and by connecting to the tools you love. Transform ideas into reality with your team. With channels, your team communi...

    https://www.zoho.com
    Learn More
  6. ChatWork icon

    ChatWork

     2 likes
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    ChatWork is a group chat app for business. Secure messaging, video chat, task management and file sharing. Real-time communication and increase ...

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Devices

    ChatWork Features

    1. IFTTT icon  IFTTT Integration
    2.  Team Messaging

    ChatWork VS Slack

     
  7. Fugu Simple Work Chat icon

    Fugu Simple Work Chat

     3 likes
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    Simple yet powerful open source slack alternative chat platform for teams and organizational communication. Keep your conversations in your control, free from data mining and ads. Safe from prying eyes and secured with encryption.

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • IN flagIndia

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    Fugu Simple Work Chat screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Secure Chat
    2.  Attendance management
    3.  Omnichannel messaging
    4. Microsoft Teams icon  Microsoft Teams Integration
    5.  Team Messaging

    Fugu Simple Work Chat VS Slack

     
  8. Team.biz icon

    Team.biz

     5 likes
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    Team.biz is a messaging service for companies, teams, and professionals. Team administration, group messaging, add guests, text (SMS and MMS), open and private topics, drag & drop image and doc sharing, edit messages, view message history, and more.

    License model

    • Free • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • Windows Phone
    • iPad
    • Xbox
    Team.biz screenshot 1

    Team.biz Features

    1.  Team Messaging
    2.  SMS Messaging
    3.  Sms from PC
    4.  Private Chat
    5.  Text messaging
    6.  Private messaging

    Team.biz VS Slack

     
  10. Flotilla Chat icon

    Flotilla Chat

     3 likes
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    Experience a new way to connect with your people online. Join an existing community space or launch your very own branded platform tailored to your audience.

    27 Flotilla Chat alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    • iPhone
    • Android
    • Self-Hosted
    Customize your space, set access controls, and announce updates.
    Keep in touch with group chats — invite friends, report spam, and extend the experience.
    Post a thread for a more in-depth discussion; cross post to chat rooms.

    Properties

    1.  Privacy focused
    2.  Support for Themes
    3.  Customizable

    Features

    1.  Decentralized
    2.  Ad-free
    3.  Support for @mentions
    4.  No Tracking
    5.  Calendar View
    6.  End-to-End Encryption
    7.  Community-based
    8.  White-labeled

    Flotilla Chat VS Slack

     
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