Companies in the category 'Messaging'
These are companies that provide open source tools or platforms for messaging and communication.
A sovereign and secure communications platform.
Element is a secure communications platform built on the open-source Matrix protocol, providing end-to-end encrypted messaging, voice, and video calling for teams and organizations. The company offers both hosted and on-premises solutions with a focus on privacy, security, and interoperability.
Private messaging without user identifiers
SimpleX Chat Ltd is a London-based company that develops SimpleX, a decentralized messaging network and application platform designed to operate without any user identifiers. Unlike conventional messaging platforms, SimpleX assigns no user IDs—not even random ones—making it the first messaging network to offer this level of metadata privacy. The platform uses end-to-end encryption with the double-ratchet protocol and allows users to self-host servers, giving them full ownership of their contacts and communications.
Organized chat for distributed teams
Zulip is a powerful open source group chat application that combines the immediacy of real-time chat with the productivity benefits of threaded conversations. It is designed to help teams collaborate efficiently and is built on technologies like Python and Django. Zulip primarily serves enterprises looking for robust communication solutions.
Huly: open-source platform for team productivity.
Huly provides a project management platform that serves as an all-in-one replacement for Linear, Jira, Slack, and Notion.
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Chatwoot is an open-source customer engagement platform that helps businesses manage conversations across multiple channels like website live chat, Facebook page, Twitter, WhatsApp, SMS, email, and more. It is built using modern technologies and can be self-hosted or used as a SaaS offering.
Provides NATS.io for secure app communication
Synadia provides a secure, universal communications system built on NATS. Their platform enables digital systems to connect, communicate, and coordinate across any environment, offering a global utility for modern connected systems. Synadia primarily serves enterprise clients.

