Slack AlternativesOnly apps categorised as Instant Messengers - Page 4

The best Instant Messenger 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 Instant Messengers so hopefully you can find a suitable replacement. Other interesting Instant Messenger alternatives to Slack are Zulip, Mattermost, Discord and Rocket.Chat.

filter to find the best alternatives

Slack alternatives are mainly Instant Messengers, but if you're looking for Group Chat Apps or Team Collaboration Tools 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. Prav icon

    Prav

     3 likes
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    A user-friendly messenger for everyone with a focus on privacy and freedom.

    60 Prav alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Android
    • F-Droid
    Prav screenshot 1
    Prav screenshot 2
    Prav screenshot 3

    Properties

    1.  Privacy focused

    Features

    1.  End-to-End Encryption
    2.  Audio Calling
    3.  Text messaging
    4.  Supports XMPP
    5.  Xmpp

    Prav VS Slack

     
  2. Zoho Cliq icon

    Zoho Cliq

     10 likes
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    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 communication is visible, transparent and efficient.

    145 Zoho Cliq alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • IN flagIndia

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Zoho Cliq screenshot 1

    Zoho Cliq Features

    1.  Extensible by Plugins/Extensions
    2.  Support for @mentions
    3.  Real time collaboration
    4.  Screen Sharing
    5.  Integrated File Sharing
    6.  Event management
    7.  Audio Calling

    Zoho Cliq VS Slack

     
  4. Whaller icon

    Whaller

     56 likes
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    Create your own free and unlimited private social networks.

    100 Whaller alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Software as a Service (SaaS)
    Each Whaller network begins with a "sphere" (independent discussion space) where members can communicate and collaborate in complete security. Spheres include a variety of tools: messages, video conferencing, chat, document storage & co-editing, shared calendar, task Kanban, etc.

    Top Whaller Features

    1.  Ad-free
    2.  Kanban Board
    3.  Real time collaboration
    4.  Hierarchical Structure
    5.  Two-factor Authentication
    6.  Calendar View
    7. IFTTT icon  IFTTT Integration
    8.  Cloud Sync
    9.  Support for MarkDown
    10.  Community management
    11.  File Sending
    12.  Private messaging

    Whaller 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. Stork IM icon

    Stork IM

     2 likes
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    Open Source Android XMPP Client.

    21 Stork IM alternatives

    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

     
  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.

    19 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. Workchat icon

    Workchat

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    WorkChat streamlines collaboration for businesses. Connect seamlessly with team and clients, integrating WhatsApp, Skype, and Messenger to manage cross-channel messaging.

    49 Workchat alternatives

    License model

    • Freemium • Proprietary

    Application type

    Platforms

    • Software as a Service (SaaS)
    Dark Theme

    Properties

    1.  Support for Themes

    Features

    1.  Real time collaboration
    2.  Extensible by Plugins/Extensions
    3.  Ad-free
    4.  Multiple Account support
    5.  Dark Mode
    6.  Cloud Sync
    7.  Integrated Chat
    8.  Integration with CRMs
    9.  Social media integration

    Workchat VS Slack

     
  10. Infomaniak kChat icon

    Infomaniak kChat

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

    16 Infomaniak kChat alternatives

    License model

    Application types

    Country of Origin

    • CH flagSwitzerland

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    Infomaniak kChat screenshot 1

    Infomaniak kChat Features

    1.  Collaborative writing
    2.  Team Messaging
    3.  Text messaging

    Infomaniak kChat VS Slack

     
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