Crust Enterprise Messaging AlternativesGroup Chat & Video Calling Apps like Crust Enterprise Messaging

Crust Enterprise Messaging is described as 'The free and open-source Crust Messaging is a secure, high performance,Slack alternative that allows your teams to collaborate more efficiently, as well as communicate safely with other organisations or customers' and is a Group Chat app in the social & communications category. There are more than 25 alternatives to Crust Enterprise Messaging for a variety of platforms, including Web-based, Android, iPhone, iPad and Android Tablet apps. The best Crust Enterprise Messaging alternative is Nextcloud, which is both free and Open Source. Other great apps like Crust Enterprise Messaging are Element, Discord, Matrix and Slack.

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Alternatives
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Alternatives list

  1. Nextcloud icon

    Nextcloud

     1250 likes

    On-premises solution offering file sync, universal data access and collaboration through Nextcloud Files, Talk, and Groupware. Ensures secure, controlled data storage for enterprise with powerful privacy tools including encryption, fine-grained access, and a bug bounty.

    182 Nextcloud alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    • Self-Hosted
    • Snapcraft
    • Flathub
    • F-Droid
    • OpenAPK
    • Raspberry Pi
    • Cloudron
    • Docker Hub
    • DE flagGermany
    • European Union flagEU
    Nextcloud screenshot 1
    Good alternative?
     
  2. Element icon

    Element

     840 likes

    Provides secure collaboration with end-to-end encryption, supporting chat, voice, and video calls. Available on all major platforms, it enables digital sovereignty with a decentralized design and interoperability through bridges to systems like Slack and Teams. Includes enterprise-grade SaaS.

    354 Element alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Snapcraft
    • Matrix.org
    • Flathub
    • F-Droid
    • Cloudron
    • OpenAPK
    • GB flagUnited Kingdom
    Element screenshot 1
    Good alternative?
     
  4. Discord icon

    Discord

     1152 likes

    An integrated platform for text and voice communications. Offers tailored channels for different topics, customizable moderation tools, low latency for fluency, and managed user roles for optimal community facilitation.

    234 Discord alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Snapcraft
    • Epic Games Store
    • Flathub
    • Electron
    • Playstation
    • Xbox
    • US flagUnited States
    Desktop UI
    Good alternative?
     
  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. Matrix icon

    Matrix

     419 likes

    Open standard protocol enabling decentralized, encrypted instant messaging, VoIP signaling, IoT device connectivity, and persistent data management across federated servers without central control or single points of failure, bridging communication platforms.

    199 Matrix alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • WebRTC
    • Python
    • JavaScript
    • Go (Programming Language)
    • Cloudron
    • Java
    • Perl
    • GB flagUnited Kingdom
    Main Page
    Good alternative?
     
  7. Slack icon

    Slack

     884 likes

    Offers unified communication for teams with advanced real-time messaging, contextual features, versatile chat tools, and organized conversations in dedicated channels with integrated file sharing on Mac, Windows, Linux, and mobile platforms for enhanced productivity.

    266 Slack alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Electron
    • Software as a Service (SaaS)
    • US flagUnited States
    Slack screenshot 1
    Good alternative?
     
  9. Zulip icon

    Zulip

     275 likes

    Threaded group conversations combine live and asynchronous messaging, separating topics for organized collaboration, supporting open-source, cloud, and self-hosted deployments, secure communication with encryption, and multi-platform access for diverse teams.

    252 Zulip alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • iPad
    • Self-Hosted
    • F-Droid
    • US flagUnited States
    Zulip screenshot 1
    Good alternative?
     
  10. Mattermost icon

    Mattermost

     256 likes

    Self-hosted collaboration platform featuring chat, workflow automation, voice and video calling, screen sharing, AI capabilities, broad third-party integration support, cross-platform apps, compatibility with Slack imports, and flexible deployment options for secure team communication.

    153 Mattermost alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • JavaScript
    • Software as a Service (SaaS)
    • Go (Programming Language)
    • Cloudron
    • US flagUnited States
    Mattermost screenshot 1
    Good alternative?
     
  11. Rocket.Chat icon

    Rocket.Chat

     163 likes

    Open-source chat server supporting real-time group, direct, and private messaging, video calls, file sharing, helpdesk chat, API integrations, desktop notifications, emojis, LDAP authentication, cross-platform apps, and customizable extensions for teams.

    168 Rocket.Chat alternatives

    Cost / License

    • Freemium
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • Self-Hosted
    • Cloudron
    • US flagUnited States
    Rocket.Chat screenshot 1
    Good alternative?
     
  12. Conversations icon

    Conversations

     106 likes

    Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].

    165 Conversations alternatives

    Cost / License

    Application type

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    • DE flagGermany
    • European Union flagEU
    Conversations screenshot 1
    Good alternative?
     
  13. Microsoft Teams icon

    Microsoft Teams

     55 likes

    A comprehensive collaboration platform within Office 365, providing centralized chat, file sharing, and HD video meetings. Accessible on multiple platforms, it offers enterprise-grade security and compliance, customizable notifications, and private to group chat sessions.

    272 Microsoft Teams alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Android Auto
    • Microsoft 365
    • Apple Car Play
    • US flagUnited States
    Microsoft Teams screenshot 1
    Good alternative?
     
  14. Zoho Cliq icon

    Zoho Cliq

     10 likes

    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.

    159 Zoho Cliq alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • IN flagIndia
    Zoho Cliq screenshot 1
    Good alternative?
     
  15. Microsoft Viva Engage icon

    Microsoft Viva Engage

     22 likes

    Internal social networking platform for organizations, enabling secure discussions, community building, events, polls, expert connections, analytics, and integration with Microsoft 365 tools to support engagement and workplace knowledge-sharing.

    92 Microsoft Viva Engage alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • US flagUnited States
    Microsoft Viva Engage screenshot 1
    Microsoft Viva Engage screenshot 2
    Microsoft Viva Engage screenshot 3
    Good alternative?
     
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