Chanty vs Mattermost

Chanty is a team communication platform that combines messaging, task management, and file sharing in a unified workspace. It provides threaded conversations, audio/video calls, and integration with third-party tools.

Mattermost is open-source, self-hostable team messaging platform designed as a Slack alternative for security-conscious organizations. It provides comprehensive features for team communication workflows. The tool is actively maintained with regular updates and strong community/vendor support.