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.
- Group Chat App
- Free • Open Source
- 147 Nextcloud alternatives
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.
License model
- Free • Open Source
Application types
Country of Origin
Germany
EU
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- F-Droid
- Cloudron
- Snapcraft
- Docker Hub
- Raspberry Pi
- 302 Element alternatives
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.
License model
- Free Personal • Open Source
Application types
Country of Origin
United Kingdom
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Matrix.org
- Flathub
- F-Droid
- Cloudron
- 188 Discord alternatives
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.
License model
- Freemium • Proprietary
Application types
Country of Origin
United States
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Snapcraft
- Epic Games Store
- Flathub
- Electron
- Playstation
- Xbox
- 162 Matrix alternatives
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.
License model
- Free • Open Source
Application types
Country of Origin
United Kingdom
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- WebRTC
- Python
- JavaScript
- Go (Programming Language)
- Cloudron
- Java
- Perl
- 222 Slack alternatives
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.
License model
- Freemium • Proprietary
Application types
Country of Origin
United States
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Chrome OS
- Android Tablet
- iPad
- Electron
- Software as a Service (SaaS)
Top Slack Features
- 128 Mattermost alternatives
Mattermost is a secure, open source platform for communication, collaboration, and workflow orchestration across tools and teams.
License model
- Freemium • Open Source
Application types
Country of Origin
United States
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- JavaScript
- Go (Programming Language)
- Cloudron
- 225 Zulip alternatives
Zulip is the only modern team chat app that is designed for both live and asynchronous conversations. Zulip topics create a separate space for each discussion, so different conversations will never get in each other's way.
License model
- Free Personal • Open Source
Application types
Country of Origin
United States
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- BSD
- iPad
- Self-Hosted
- F-Droid
Top Zulip Features
- 137 Rocket.Chat alternatives
Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
License model
- Freemium • Open Source
Application types
Country of Origin
United States
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
- Self-Hosted
- Cloudron
Top Rocket.Chat Features
- 161 Conversations alternatives
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].
License model
- Free • Open Source
Application types
Country of Origin
Germany
EU
Platforms
- Android
- Android Tablet
- F-Droid
- 121 Guilded alternatives
An advanced gaming chat platform competitor to Discord with features like calendars, advanced voice chat, and forums to better manage and grow your gaming communities.
License model
- Free • Proprietary
Application types
Country of Origin
United States
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- iPad
- 242 Microsoft Teams alternatives
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.
License model
- Freemium • Proprietary
Application types
Country of Origin
United States
Platforms
- Mac
- Windows
- Android
- iPhone
- Android Tablet
- iPad
- Microsoft 365
- Android Auto
- Apple Car Play
Top Microsoft Teams Features
- 153 Kosmi alternatives
Kosmi is a free real time application and communication platform that offers voice, text and video calls along with games and applications such as SNES Party, NES Party, OpenArena, Poker, Virtual Cardtables, Synced YouTube and Cowatch Video.
License model
- Free • Proprietary
Application types
Country of Origin
Iceland
Platforms
- Online
Kosmi Features