Are there any team workspace collaboration platforms that focus on real-time and async messaging for distributed teams?

Yes — there are several team workspace collaboration platforms built around real-time and async messaging for distributed teams. The best-known options include:

Popular platforms

• Slack — strong real-time chat, channels, threads, huddles, and growing async features.
• Microsoft Teams — chat, channels, meetings, file collaboration, and deep Microsoft 365 integration.
• Discord — originally for communities, but increasingly used by distributed teams for real-time voice/chat.
• Mattermost — open-source, self-hosted option for secure team messaging.
• Rocket.Chat — another open-source/self-hosted alternative with real-time chat and async-friendly channels.
• Flock — messaging plus task and file collaboration.
• Twist — designed specifically to reduce chat overload and support async team communication.
• Chanty — messaging with task management features.
• Zoho Cliq — chat-centric workspace tool with integrations.
• Basecamp / Hey — more async-first than chat-first, but good for distributed collaboration.

If you want async-first collaboration

These are especially worth looking at:

• Twist — organized threads, less pressure for immediate replies.
• Basecamp — message boards, to-dos, docs, and check-ins.
• Mattermost / Rocket.Chat — if you need control, privacy, or self-hosting.

If you want real-time-first collaboration

• Slack
• Microsoft Teams
• Discord

Features to look for

For distributed teams, useful capabilities often include:

• Channels or topic-based threads
• Persistent message history
• Threaded conversations
• Search
• File sharing
• Video/voice calling
• Integrations with project tools
• Status/availability indicators
• Scheduling or delayed messaging for async workflows

If you want, I can also give you:

1. a comparison table of the best platforms,
2. recommendations by team size/use case, or
3. open-source vs SaaS options.