Slack AlternativesOnly apps categorised as Instant Messengers - Page 5

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
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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 Apr 15, 2025
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  1. Pumble icon

    Pumble

     5 likes
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    Pumble is a free team chat app that allows teams of all sizes to collaborate. Unlike other team chat apps, Pumble is available for an unlimited number of users for free.

    12 Pumble alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • RS flagSerbia

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    Unlimited users and chat history

    Pumble VS Slack

     
  2. Cynoia icon

    Cynoia

     2 likes
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    Cynoia is an African-developed all-in-one workspace that empowers businesses and teams to collaborate seamlessly and deliver projects on time with enhanced efficiency and focus.

    3 Cynoia alternatives

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Software as a Service (SaaS)
    Cynoia screenshot 1

    Top Cynoia Features

    1.  Shared Folders
    2.  VoiP Calls
    3.  Calendar Integration
    4.  Real time collaboration
    5.  Multiple Account support
    6.  Reminders
    7.  Cloud Sync
    8.  Calendar View
    9.  Kanban Board
    10.  Ad-free
    11.  File Tagging
    12.  Hierarchical Structure

    Cynoia VS Slack

     
  4. monocles chat icon

    monocles chat

     4 likes
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    monocles chat is a fork of blabber.im and Conversations with some changes, to improve usability.

    46 monocles chat alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Online
    • Android
    • F-Droid
    monocles chat screenshot 1
    monocles chat screenshot 2
    monocles chat screenshot 3

    Properties

    1.  Privacy focused

    Features

    1.  Dark Mode
    2.  End-to-End Encryption
    3.  VoiP Calls
    4.  Decentralized
    5.  Ad-free
    6.  No Tracking
    7.  Voice Chat

    monocles chat 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. Neochat icon

    Neochat

     9 likes
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    NeoChat is a client for Matrix, the decentralized communication protocol for instant messaging. It is a fork of Spectral, using KDE frameworks, most notably Kirigami, KConfig and KI18n.

    23 Neochat alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • KDE
    • Matrix.org
    • Flathub
    Neochat screenshot 1

    Neochat Features

    1.  Decentralized
    2.  Private Chat
    3.  Matrix Protocol
    4.  Multiple Account support
    5.  Ad-free
    6.  No Tracking
    7.  Dark Mode
    8.  Messages
    9.  File Sending

    Neochat VS Slack

     
  7. Grape icon

    Grape

     24 likes
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    Get more done – with Grape (also called ChatGrape). Grape is an European Business-Messenger with an On-Premise and Cloud solution. It is GDPR compliant and prioritizes data security and safety.

    44 Grape alternatives

    License model

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Grape screenshot 1

    Grape Features

    Features

    1.  Cloud Sync
    2. GitHub icon  GitHub Integration
    3.  Integrated File Sharing
    4.  Intelligent search
    5.  Social media integration
    6.  GDPR Compliant
    7. Google Calendar icon  Google Calendar integration
    8. Microsoft 365 Copilot icon  Microsoft Office integration
    9.  Atlassian integration
    10.  On-premises software

    Grape VS Slack

     
  8. 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.

    17 Kahla alternatives

    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

     
  10. MyChat icon

    MyChat

     2 likes
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    MyChat is an instant messenger that works in LAN and over the Internet. Reliable in slow connections. Do not require too many system resources. The program has its own server where a user control everything happening in the chat.

    41 MyChat alternatives

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Self-Hosted
    MyChat screen sharing

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Screen Sharing
    2.  Encrypted Backup
    3.  Works Offline
    4.  Ad-free
    5.  Real time collaboration
    6.  Kanban Board
    7.  Portable
    8.  Spam Filter
    9.  On-premises software
    10.  Workflow
    11.  Integrated File Sharing
    12.  Task assignments

    MyChat VS Slack

     
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