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Twist is an async team communication app from Doist. It organizes work discussions into channels and threads for teams that want fewer interruptions and more focused collaboration.

Alternative to:Slack

Element is an encrypted messaging and collaboration app built on Matrix. It suits teams that need self-hosting, data control, and interoperable communication.

Alternative to:Slack

Zulip is an open-source team chat platform with topic-based conversations, built for teams that need organized, searchable communication.

Alternative to:Slack

Rocket.Chat is a team collaboration platform with messaging, calls, integrations, and automation. It supports organizations that need self-hosting, data control, or secure cloud deployment.

Alternative to:Slack

Mattermost is an open source collaboration platform for technical and operational teams with messaging, calls, workflows, and integrations. It supports self hosted and cloud deployments.

Alternative to:Slack

Slack is a team communication platform for messaging, meetings, files, workflows, and app integrations. It supports startups through enterprise organizations.

Alternative to:Twist