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Corteza Messaging Alternatives

Corteza Messaging is described as 'secure, high performance, open source 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 office & productivity category. There are more than 25 alternatives to Corteza Messaging for a variety of platforms, including Windows, iPhone, Online / Web-based, Android and iPad. The best alternative is Element, which is both free and Open Source. Other great apps like Corteza Messaging are Discord, Matrix.org, Slack and Mattermost.

Corteza Messaging alternatives are mainly Group Chat Apps but may also be Team Collaboration Tools or Video Calling Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Corteza Messaging.
This page was last updated
  • Mac
  • Windows
  • Linux
  • Online
  • Android
  • iPhone
  • Android Tablet
  • iPad
  • Self-Hosted

Corteza Messaging is a secure, high performance, open source Slack alternative that allows your teams to collaborate more...

Learn more about Corteza Messaging

  1. Element icon

    Element

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Matrix.org
    • Cloudron
    • F-Droid
    • FLATHUB
    264 alternatives to Element 

    Element is a secure collaboration and messaging app based on the Matrix protocol. It’s decentralised to deliver digital sovereignty, and based on an open standard for easy connections and interoperability. It is end-to-end encrypted by default.

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    Features
    1.  DecentralizedElement is based on a decentralized infrastructure with no single entity controlling it.
    2.  End-to-End EncryptionElement has E2E Encryption, for entire or parts of the app.
    3.  Privacy focusedElement is considered a privacy friendly alternative.
    4.  VoiP CallsElement allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
    5.  Support for MarkDownElement supports MarkDown for document formatting.
    6.  File VersioningElement has a version system that lets you view and go back to older versions of the project/file/document.
    7.  No TrackingElement will not track you or use your personal data.
    8.  Real time collaborationMultiple users can work together in Element simultaneously.
    9.  DRM FreeNo Digital rights management (DRM), i.e. no copy protection.
    Video calls for desktop and mobile
    Collaboration widgets
  2. Discord icon

    Discord

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • BSD
    • iPad
    • Epic Games Store
    • Electron / Atom Shell
    • FreeBSD
    • Playstation
    • Xbox
    152 alternatives to Discord 

    Whether you’re part of a school club, a gaming group, a worldwide art community, or just a handful of friends that want to spend time together, Discord makes it easy to talk every day and hang out more often.

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    Features
    1.  VoiP CallsDiscord allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
    2.  Ad-freeDiscord doesn't contain any form of external advertising.
    3.  Screen SharingYou can use Discord to share your screen with your colleages or friends.
    4.  Text to SpeechDiscord allows you to transform written text into spoken text.
    5.  LightweightDiscord consumes less device resources compared to similar apps.
    6.  Two-factor AuthenticationDiscord supports two-factor authentication (2FA).
    7.  Dark ModeDiscord supports dark mode for comfortable usage in low light conditions.
    Discord Desktop Client Dark Mode
    Discord Desktop Client Light Mode


  3. Matrix.org icon

    Matrix.org

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • WebRTC
    • Python
    • JavaScript
    • Go (Programming Language)
    • Cloudron
    • Java
    • Perl
    134 alternatives to Matrix.org 

    Matrix defines a set of open APIs for decentralised communication, suitable for securely publishing, persisting and subscribing to data over a global open federation of servers with no single point of control.

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    Features
    1.  End-to-End EncryptionMatrix.org has E2E Encryption, for entire or parts of the app.
    2.  DecentralizedMatrix.org is based on a decentralized infrastructure with no single entity controlling it.
    3.  Multiple Account supportMatrix.org support multiple accounts without the need to logout and login
    4.  VoiP CallsMatrix.org allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
    5.  Real time collaborationMultiple users can work together in Matrix.org simultaneously.
    Main Page
  4. Slack icon

    Slack

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Electron / Atom Shell
    • Software as a Service (SaaS)
    216 alternatives to Slack 

    Slack is a unified communication platform built with an optimized workflow to keep modern teams focused and productive. A familiar chat interface facilitates discussions while advanced features are easily exposed based on context.

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    Features
    1.  Extensible by Plugins/ExtensionsSlack can be extended with add-ons, plugins and extensions.
    2.  Support for @mentionsSlack supports the use of mentions through @ to a particular user, who will be notified personally.
    3.  Real time collaborationMultiple users can work together in Slack simultaneously.
    4.  IFTTT IntegrationYou can connect different services to automatically trigger actions within Slack using IFTTT.
    5.  VoiP CallsSlack allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
    Screenshot
    Screenshot
  5. Mattermost icon

    Mattermost

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • JavaScript
    • Go (Programming Language)
    • Cloudron
    121 alternatives to Mattermost 

    Mattermost is a secure, open source platform for communication, collaboration, and workflow orchestration across tools and teams.

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    Features
    Screenshot
    Screenshot


  6. Zulip icon

    Zulip

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • iPad
    • Self-Hosted
    225 alternatives to Zulip 

    Zulip is a group chat app in which messages are threaded by topic, helping you have long-running, organized conversations. Zulip's threading makes it easy for people not always on chat (like managers, remote team members, contractors, part-time workers, etc) to weigh in on...

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    Features
    Screenshot
    Screenshot
  7. Rocket.Chat icon

    Rocket.Chat

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    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • Self-Hosted
    • Cloudron
    131 alternatives to Rocket.Chat 

    Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.

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    Features
    1.  Ad-freeRocket.Chat doesn't contain any form of external advertising.
    2.  Extensible by Plugins/ExtensionsRocket.Chat can be extended with add-ons, plugins and extensions.
    3.  Screen SharingYou can use Rocket.Chat to share your screen with your colleages or friends.
    Screenshot
    Screenshot
  8. Microsoft Teams icon

    Microsoft Teams

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    • Android
    • iPhone
    • Windows S
    • Android Tablet
    • iPad
    • Microsoft Office 365
    238 alternatives to Microsoft Teams 

    Microsoft Teams is the chat-based workspace in Office 365 that integrates your team's people, content, and tools to be increase engagement and efficacy.

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    Features
    1.  Calendar ViewMicrosoft Teams has a built-in calendar view to have a clear overview of your content over time.
    2.  Real time collaborationMultiple users can work together in Microsoft Teams simultaneously.
    3.  RemindersMicrosoft Teams allows you to set reminders for tasks, events or actions, based on parameters of time, place or condition.
    4.  Live Captions TranslationMicrosoft Teams can add captions to a video call, audio messages or multimedia file and translate them in real time.
    5.  VoiP CallsMicrosoft Teams allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
    Screenshot
    Screenshot
  9. AirSend icon

    AirSend

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Software as a Service (SaaS)
    25 alternatives to AirSend 

    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.

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    Features
    1.  VoiP CallsAirSend allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
    2.  Ad-freeAirSend doesn't contain any form of external advertising.
    3.  Support for @mentionsAirSend supports the use of mentions through @ to a particular user, who will be notified personally.
    Screenshot
    Screenshot
  10. Nertivia icon

    Nertivia

    • Windows
    • Online
    247 alternatives to Nertivia 

    Nertivia is an chat client that allows you to chat to anyone across the world. There are a lot of features that don't require you to pay at all such as, gif profile pictures, free custom emojis and more coming soon!

Showing 10 of 48 alternatives
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