Best Team Chat tools

Free, self-hosted group chat with rooms, direct messages, and no recurring subscription.

European team chat that asks before interrupting and protects focus time.

Connect direct messages and team channels with conversations on files, tasks, and project work.

Connect team chats with calls, meetings, files, and shared work.

Bring project group chat, tasks, files, and video calls together.

Give teams private messaging with managed group chat rooms and file sharing.

Coordinate teams in chats and channels with meetings and shared work context.

Open-source XMPP messaging client for business chat and group rooms.

Organize team messages, channels, and calls with optional end-to-end encrypted chats.

Secure frontline messaging and voice calls with groups synced to HR data.

Secure business messaging with persistent group chats and centralized controls.

Structure team messages with nested channels, asynchronous discussions, and deep integrations.

Organize team chat into topics and turn conversations into assigned tasks.

A threaded team messenger with encrypted direct messages and optional agents inside workplace conversations.

Coordinate work in team spaces that combine channels, direct chat, shared files, and calls.

Connect one-to-one and group conversations with searchable history and meetings.

Self-host team chat with configurable rooms, calls, and integration APIs.

A self-hostable Matrix chat client with encrypted channels, calls, and screen sharing.

Give workplace teams configurable chat rooms with a choice of hosting model.

Workplace chat connected to documents, meetings, calendars, and approvals.

Move team communication into topic-focused threads for calmer asynchronous work.

Keep asynchronous team conversations organized by channel and named topic.

Host channels, threads, and direct messages on the team’s own server.

Mobile-first internal chat for frontline and deskless employee teams.