Mattermost

Big Tech owns your conversations. Every Slack message, Discord chat, and Teams call flows through servers you don’t control. For privacy-conscious teams, open-source communities, and businesses serious about data sovereignty, that’s a problem worth solving. 💡 This article contains affiliate links. If you buy through them, we earn a small commission at no extra cost to you. Learn more. Self-hosting your communication platform gives you complete control over your data, compliance with regulations like GDPR, and freedom from vendor lock-in. Whether you’re building an internal team chat, a community forum, or replacing your current messaging solution, three platforms dominate the self-hosted space: Matrix Synapse, Rocket.Chat, and Mattermost. ...