Slack AlternativesOnly apps categorised as Group Chat Apps - Page 5

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
  853
  • ...

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 Feb 6, 2025
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  1. Stork IM icon

    Stork IM

     2 likes
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    Open Source Android XMPP Client.

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Android
    Stork IM screenshot 1
    Stork IM screenshot 2

    Properties

    1.  Privacy focused

    Features

    1.  End-to-End Encryption
    2.  Decentralized
    3.  Ad-free
    4.  OMEMO
    5.  Xmpp
    6.  Private messaging

    Stork IM VS Slack

     
  2. Stork icon

    Stork

     1 like
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    Your team's workspace that records & transcribes meetings automatically. Stork is a voice and video messenger with a powerful screen recording for asynchronous presentations. Fewer meetings & no missed meetings. PLAY IT BACK IN STORK.

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Software as a Service (SaaS)
    Stork screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Real time collaboration
    2.  Multiple Account support
    3.  Screen Sharing
    4.  Cloud Sync
    5.  Ad-free
    6.  Desktop Sharing
    7.  Dark Mode
    8.  Full-Text Search
    9.  Voice Chat
    10.  Multi Channel
    11.  Voice messages
    12.  Capture Video

    Stork VS Slack

     
  4. Samepage icon

    Samepage

     85 likes
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    Samepage facilitates communication, project management, meetings, online collaboration and more by combining chat, video calling, screen sharing, task management, file sharing, and real-time document collaboration in a single collaborative workspace.

    131 Samepage alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Software as a Service (SaaS)
    Collaborate in real-time on feature-rich pages. Your conversation is always in the right context thanks to built in chat. Assign task and create events in the built-in agenda.

    Samepage Features

    1.  Real time collaboration
    2.  Teacher screen broadcasting
    3.  Team Messaging
    4.  Content Templates
    5.  Collaborative writing

    Samepage VS Slack

     
  5. Ad
    Screenshot
    Infomaniak kChat icon
    Infomaniak kChat

    kChat is a secure instant messaging for businesses, which makes it possible to discuss matters live and organise projects.

    https://www.infomaniak.com
    Learn More
  6. Semaphor icon

    Semaphor

     13 likes
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    Zero Knowledge, end-to-end encrypted collaboration tool for teams and businesses. Reviewable source code. Python wrapper for bots & integrations. Encryption white paper. Native offline mode. Faster file-sharing. Built for enterprise.

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    Semaphor screenshot 1

    Semaphor Features

    1.  End-to-End Encryption
    2.  AES-256 Encryption
    3.  Real time collaboration
    4.  Multiple Servers
    5.  Mobile friendly
    6.  Blockchain
    7.  Integrated File Sharing

    Semaphor VS Slack

     
  7. Strafe Chat icon

    Strafe Chat

     5 likes
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    StrafeChat is a web application focused on no censorship. We believe that people with any belief, opinion, or view should be able to communicate with each other freely.

    21 Strafe Chat alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • CA flagCanada

    Platforms

    • Online
    • Self-Hosted
    • Windows
    • Linux
    A channel in strafe chat

    Properties

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

    Features

    1.  Ad-free
    2.  No Tracking
    3.  Dark Mode
    4.  VoiP Calls
    5.  Two-factor Authentication
    6.  End-to-End Encryption
    7.  Support for @mentions
    8.  Support for MarkDown
    9.  Real time collaboration
    10.  Screen Sharing

    Strafe Chat VS Slack

     
  8. Zenchat icon

    Zenchat

     2 likes
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    Zenchat combines messaging and task management, letting users turn messages into tasks for streamlined collaboration. It supports task-related and topic-based chats while integrating with the Zenkit Suite. Features include SSO, SCIM provisioning, and audio/video messaging, with free and paid plans available.

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Zenchat screenshot 1

    Zenchat Features

    1.  Works Offline
    2.  Two-factor Authentication
    3.  Dark Mode
    4.  Voice Chat
    5.  Integrated Search

    Zenchat VS Slack

     
  10. Fleep icon

    Fleep

     21 likes
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    Fleep is a messenger for your teams and projects. It enables communication within and across organizations - be it your team chats, project communication or 1:1 conversations.

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • EE flagEstonia
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    Windows

    Fleep Features

    1.  VoiP Calls
    2. IFTTT icon  IFTTT Integration
    3.  Visual Pinboard
    4.  Screen Sharing
    5.  Chat history
    6.  Integrated File Sharing
    7.  Channels

    Fleep VS Slack

     
    Comments about Fleep as an Alternative to Slack
    askooja
    Positive Mar 3, 2016
    1

    Allows communicating also with email in addition to in team shared content.

    Slack Icon
    Fleep icon

    • Almost everyone thinks Fleep is a great Slack alternative.

    • Fleep is Freemium and ProprietarySlack is also Freemium and Proprietary
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