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SaaS Slack Alternatives

There are many alternatives to Slack as a service if you are looking for a replacement. The best Software as a Service (SaaS) alternative is AirSend, which is free. If that doesn't suit you, our users have ranked more than 100 alternatives to Slack and loads of them are available as a service so hopefully you can find a suitable replacement. Other interesting Software as a Service (SaaS) alternatives to Slack are Wire, Basecamp, Ringcentral Glip and Dialog Messenger.

Slack alternatives are mainly Group Chat Apps but may also be Encrypted Chat Apps or Video Calling Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Slack.
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Slack iconSlack
  813
  • Freemium • Proprietary
  • Mac
  • Windows
  • Linux
  • Android
  • iPhone
  • Chrome OS
  • Android Tablet
  • iPad
  • Electron / Atom Shell
  • Software as a Service (SaaS)

Slack is a unified communication platform built with an optimized workflow to keep modern teams focused and productive. A...

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  1. AirSend is a simple collaboration space for professionals and small teams that brings all your conversations, files, notes, and to-do lists into one place so that you can get work done faster and easier.

    Screenshot
    AirSend vs Slack opinions
    Almost everyone thinks AirSend is a great alternative to Slack.
     all • positive • negative      relevance • date
    thiagoao

    I think the combination of communication and task/file management makes Airsend an excellent tool. They are always including new features. Best of all it is Free.

    Top positive comment   ago
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    Marco_Rater

    The best feature here is the ability to add outside organisations. So you can get one airsend org to talk to another org. Which is really awesome

    Top positive comment   ago
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    2
    hazzelle721

    Collaboration is made easy

    Positive comment • ago
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    0
    JackN

    it's a great software, free (for now)

    Positive comment • ago
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    0
    olgafedorova

    Free. Has all the messaging features. One on one messaging is a bit convoluted but overall it's great

    Positive comment • ago
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    1
    JenniferES

    The software is fantastic, and it's free

    Positive comment • ago
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    0
    theotakuboxmarketing

    It's free. And had all the same features without the annoyance

    Positive comment • ago
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    7 of 18 comments
  2. Wire icon

    Wire

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    • Free Personal • Open Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • F-Droid
    • Software as a Service (SaaS)

    Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption.

    Screenshot
    Most users think Wire is a great alternative to Slack.

  4. Basecamp is a web-based project collaboration tool that allows groups of people to share files, meet deadlines, assign tasks, and centralize feedback.

    Basecamp home screen
    Basecamp vs Slack opinions
    Some users think Basecamp is a great alternative to Slack, some don't.

    Slack is a communication/chat tool. Basecamp is project management.

    Negative comment • ago
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    8
    Zeklandia

    It is completely free for education users, and allows deeper integration with files and documents, allowing chat to be just that: chat. It also allows for several levels of organization and just about everything is customizable.

    Positive comment • ago
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    -1

  5. Glip is instant messaging for teams and businesses to communicate and get work done at the same time. In Glip you work where your conversations are, so you always know what your team is doing and what needs to get done next.

    With conversations at the center of teamwork, you'll always know what your team is doing and what needs to get done next.
    Ringcentral Glip vs Slack opinions
    Most users think Ringcentral Glip is a great alternative to Slack.

    Has practically all of slack's features, plus tasks, calendar, etc. And the free account does not limit number of users or storage.

    Positive comment • ago
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    3
  6. Dialog Messenger icon

    Dialog Messenger

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    • Free Personal • Proprietary
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Self-Hosted
    • Software as a Service (SaaS)

    Dialog Messenger is a customized self-hosted platform usable across multi operation systems simultaneously. dialog provides SDK tools for client interface as well as for server.

    Screenshot

  8. 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.

    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.

  9. Create your own free and unlimited private social networks.

    Screenshot

  10. eXo Platform is an all-in-one digital workplace solution that helps you connect, align and engage your teams around a single interface. You can use it to improve company and peer-to-peer communication, boost collaboration and manage company knowledge.

    Screenshot

  11. Seamlessly integrated Video conference, messenger, doc creation and storage, smart integrated calendar, AI assisted real time translations and more all wrapped up a single mobile -first next gen product.

    Automate your workflows and integrate with your favourite apps
    Lark vs Slack opinions
    pros, cons and recent comments
    martinstealth

    It's free, doesn't limit search history, call duration or screen sharing. It even has more features than slack like built-in calendar and cloud storage.

    Positive comment • ago
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    0
  12. Plumm icon

    Plumm

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    • Software as a Service (SaaS)

    Single collaborative customer support dashboard for all of your projects. Chat with your customers and your team members using single workspace. If it's an email sent to support@yourproject1.com or a chat request from yourproject2.com, it all goes into the same Plumm inbox.

    Screenshot
Showing 10 of 52 alternatives