European alternatives to
Slack
Slack is a team messaging product from Salesforce (Slack). Team messaging platform with channels, apps, and workflow tools.
It is built for day-to-day collaboration through channels, direct messages, and workflow integrations across engineering, operations, and support teams. Organizations typically evaluate Slack on governance controls, notification quality, search reliability, and how well it scales across multiple teams and projects.
Element
Team Messaging · United Kingdom
50% fit
Evaluated channels, direct messaging, file sharing, and notifications; excluded Slack marketplace-specific app coverage.
Alternative to Microsoft Teams and Slack
European secure messaging built on Matrix for teams and communities.
Mattermost
Team Messaging · Germany
50% fit
Evaluated channels, direct messaging, file sharing, and notifications; excluded Slack marketplace-specific app coverage.
Alternative to Microsoft Teams and Slack
Secure team messaging with self-hosted and cloud deployment options.
Other European alternatives in Team Messaging
No additional European alternatives in this category yet.