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.
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.
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.
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.
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.
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.
Mattermost is a self-hosted collaboration platform that offers chat, workflow automation, voice calling, screen sharing, and AI integration.
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.
Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
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].
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.
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.
Zoho Cliq simplifies your team communication with organized conversations, information that's easy to find and by connecting to the tools you love. Transform ideas into reality with your team. With channels, your team communication is visible, transparent and efficient.
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