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 an app in the Office & Productivity category. There are more than 50 alternatives to Corteza Messaging for a variety of platforms, including Android, iPhone, Windows, Online / Web-based and Mac. The best alternative is Element. It's not free, so if you're looking for a free alternative, you could try Discord or Slack. Other great apps like Corteza Messaging are Matrix.org (Free, Open Source), Mattermost (Freemium, Open Source), Rocket.Chat (Freemium, Open Source) and Zulip (Free Personal, Open Source).

    This page was last updated Sep 27, 2021

      • Free PersonalOpen Source
      • Mac
      • Windows
      • Linux
      • Online
      • Android
      • iPhone
      • Android Tablet
      • iPad
      • Self-Hosted
      • Matrix.org
      • Cloudron
      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.
      show more
      • FreemiumProprietary
      • Mac
      • Windows
      • Linux
      • Online
      • Android
      • iPhone
      • Chrome OS
      • Android Tablet
      • BSD
      • iPad
      • Electron / Atom Shell
      • FreeBSD
      • Playstation
      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. Create an invite-only place.
      show more


    1. 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.
      show more
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • Online
      • Android
      • iPhone
      • Android Tablet
      • iPad
      • Self-Hosted
      • WebRTC
      • Python
      • JavaScript
      • Go (Programming Language)
      • Cloudron
      • Java
      • Perl
      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.
      No screenshots yet
      • FreemiumOpen Source
      • Mac
      • Windows
      • Linux
      • Android
      • iPhone
      • Android Tablet
      • iPad
      • Self-Hosted
      • JavaScript
      • Go (Programming Language)
      • Cloudron
      Mattermost is an open source alternative to Slack.
      show more


    2. Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
      show more
    3. Zulip is a group chat app in which messages are threaded by topic, helping you have long-running, organized conversations.
      show more
    4. 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.
      show more
    5. 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.
      show more
    6. 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.
      show more
    Showing 10 of 50 alternatives