Output Messenger AlternativesGroup Chat Apps & Instant Messengers like Output Messenger

Output Messenger is described as 'Private and Secure Instant Messenger for Office designed specifically for keeping remote employees and multiple offices in sync' and is a Group Chat app in the social & communications category. There are more than 50 alternatives to Output Messenger for a variety of platforms, including Windows, Web-based, Android, Mac and iPhone apps. The best Output Messenger alternative is Slack, which is free. Other great apps like Output Messenger are Mattermost, Rocket.Chat, Trillian and Empathy.

Copy a direct link to this comment to your clipboard
Output Messenger alternatives page was last updated

Alternatives list

  1. Slack icon
     862 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.

    232 Slack alternatives

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Electron
    • Software as a Service (SaaS)
     
  2. Mattermost icon
     254 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.

    136 Mattermost alternatives

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • JavaScript
    • Software as a Service (SaaS)
    • Go (Programming Language)
    • Cloudron
     
  3. Rocket.Chat icon
     159 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.

    145 Rocket.Chat alternatives

    Cost / License

    • Freemium
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • Self-Hosted
    • Cloudron
     
  4. Trillian icon
     280 likes

    Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped as text messages on your phone.

    149 Trillian alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Blackberry
    • iPad
    • Software as a Service (SaaS)
     
  5. Empathy icon
     157 likes

    Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell it about your accounts on all those services and do all your chatting within one application.

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Linux
    • BSD
     
  6. Ripcord icon
     30 likes

    Ripcord is a desktop chat client for group-centric services like Slack and Discord. It provides a traditional compact desktop interface designed for power users. It's not built on top of web browser technology: it responds quickly to input, sips gently from computer...

    169 Ripcord alternatives

    Cost / License

    • Freemium
    • Proprietary

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Discord
    • Slack
     
  7. Microsoft Teams icon
     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.

    252 Microsoft Teams alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Android Auto
    • Microsoft 365
    • Apple Car Play
     
  8. Bitrix24 icon
     61 likes

    Replace a multitude of services and apps with a single ecosystem for your business to work in. Explore the tools of Bitrix24.

    382 Bitrix24 alternatives

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
     
  9. Gitter icon
     39 likes

    Unlimited public or private chat rooms with full search, GitHub-based authentication, file and code sharing, flexible integrations with popular developer tools, admin controls, guest access, multi-platform support, data export, and ad-free collaboration spaces.

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Online
     
  10. BeeBEEP icon
     18 likes

    BeeBEEP is a secure network chat. You can talk and send files with all your friends inside a local area network such of an office, home or internet cafe without a server.

    10 BeeBEEP alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
     
  11. Feem icon
     15 likes

    Share files offline. No servers. No cloud. No limits.

    150 Feem alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • Windows Phone
    • iPad
    • Snapcraft
     
  12. Hack Chat icon
     22 likes

    hack.chat is a minimal, distraction-free chat application. Channels are created and joined by going to https://hack.chat/?your-channel. There are no channel lists, so a secret channel name can be used for private discussions.

    Source code : https://github.com/hack-chat/main.

    42 Hack Chat alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    • Android
    • Self-Hosted
     
12 of 66 Output Messenger alternatives