Tag: zulip-chat-server,skype,telegram,google-hangouts,whatsapp,matrix-org,sip-communicator,riot-im,slack,discord-app

Mattermost is an open source alternative to Slack. Created by Mattermost, Inc. Mattermost is an open source, self-hosted Slack alternative.As an alternative to proprietary SaaS messaging, Mattermost brings all your team communication into one place, making it searchable and accessible anywhere. It’s written in Golang and React and runs as a production-ready Linux binary under […]