Open Source 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'. There are more than 25 alternatives to Corteza Messaging for various platforms. The best alternative is Element, which is both free and Open Source. 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).
- A free instant messaging and collaboration software based on the Matrix protocol. View 233 alternatives to Element
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Matrix.org
- Cloudron
- 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... View 116 alternatives to Matrix.orgNo screenshots yet
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- WebRTC
- Python
- JavaScript
- Go (Programming Language)
- Cloudron
- Java
- Perl
- Mattermost is an open source, self-hosted Slack alternative. View 120 alternatives to Mattermost
- Freemium • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- JavaScript
- Go (Programming Language)
- Cloudron
- Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework. View 116 alternatives to Rocket.Chat
- Freemium • Open Source
- Mac
- Windows
- Linux
- Self-Hosted
- Cloudron
- Zulip is a group chat app in which messages are threaded by topic, helping you have long-running, organized conversations. View 227 alternatives to Zulip
- Free Personal • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- BSD
- iPad
- Self-Hosted
- A newly open sourced self hosted Slack like alternative for building persistent chat communities. View 145 alternatives to Spectrum Chat
- Free • Open Source
- Mac
- Online
- Self-Hosted
- Software as a Service (SaaS)
- 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. View 36 alternatives to Crust Enterprise Messaging
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Zero Knowledge, end-to-end encrypted collaboration tool for teams and businesses. Reviewable source code. Python wrapper for bots & integrations. Encryption white paper. Native offline mode. Faster file-sharing. Built for enterprise. View 40 alternatives to Semaphor
- Freemium • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- Chat with friends or anyone around the world, free gif and emoji support. Ability to make your own server is coming soon!. View 255 alternatives to NertiviaNo screenshots yet
- Free • Open Source
- Windows
- Online
- An alternative to Telegram with 50 pins, favorites, sortable chat categories, and a cryptocurrency price bar inside the app. View 204 alternatives to Bettergram Messenger
Discontinued
no longer updated since april 2020
- Free • Open Source
- Mac
- Windows