Free-tier team chat

Element

Element is a secure communications platform built on the Matrix open standard. It provides self-hosted and air-gapped messaging, voice and video calls, federation between separate organisations, and administrative controls for enterprise and public-sector deployments.

Webex is a cloud collaboration platform that combines meetings, calling, messaging, webinars, events, whiteboarding, polling, and video messaging in one service. The pricing page lists a free plan wit...

Zulip

Zulip is an organized team chat platform with topic-based threading, channels, direct messages, and searchable message history. It is available as a hosted cloud service and as self-hosted open-source software, with web, desktop, mobile, and terminal clients.

Pumble

Pumble is a team communication application for business workspaces. It provides channels, direct messages, threads, file sharing, voice and video calls, meeting links, screen sharing, guest access, no...

Flock

Flock is a team messaging and collaboration platform with channels, direct messages, voice and video calling, file sharing, to-dos, polls, reminders, and integrated search. It provides desktop apps for Windows, Mac, Linux, and Chrome, plus web access through the Flock service.

Slack

Slack is a business communication and collaboration platform that brings team messaging, channels, huddles, file sharing, and workflow automation into one workspace. It is designed to help organizations coordinate work, share context, and connect people with apps, data, and AI agents.

Twist

Twist is an async team messaging application for organized work communication. It uses threads to keep conversations on topic, channels to group discussions by topic, project, or client, and direct messages for private one-on-one communication.

Basecamp

Basecamp is a project management system designed to help teams organize work, communicate clearly, and keep projects moving in one place. It brings tasks, discussions, files, schedules, and progress tracking together in a straightforward workspace built for day-to-day collaboration.

Chanty

Chanty is a team communication and collaboration platform with chat, voice and video calls, task management, file sharing, and integrations. It supports unlimited public and private chats, unlimited a...

Braid

Braid is a group collaboration and chat application that organizes discussions into separate conversations instead of a single shared chatroom. It supports multiple chats, tags, mentions, search, priv...