Team messaging organized in channels, with calls, app integrations and workflow automation.

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What 25 reviewers say

Slack is highly regarded for its ease of use and seamless integrations, making it a staple in team communication. Most reviewers appreciate its ability to organize conversations and reduce email clutter.

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About Slack

Slack replaces internal email with conversations organized in channels, by team, project or customer. Messages, files and decisions stay searchable in one place, and channels can be shared with partners outside the company. Beyond messaging, it offers quick audio and video calls called huddles, recorded clips, and a workflow builder that automates routine requests and approvals without code. It connects to more than 2,500 applications and exposes an API for custom integrations. Teams of every size, from startups to large enterprises, use it as their daily communication layer.

Listed inTeam ChatasTeam Chat Apps

How teams use Slack

1 Soft Atlas article · 3 vendor videos

Media

2
Rich review
Hugo P.

Sales·Frequent User·Maslo·France·used it More than 2 years

4
July 2026

The communication tool every team should have

Slack has become the central hub for our team's communication. It keeps conversations organized, reduces unnecessary emails, and makes collaboration much faster. Channels, threads, integrations, and notifications all work together to create a seamless communication experience.

Rich review
Jeremie L.

Engineering·Administrator·Business Operations Network·France·used it More than 2 years

5
September 2026

Great communication tool, even better for collaboration

Slack unleashes its real power when you stop using it only for DMs and start using it for collaborating on projects or as teams.

Classic review
Simon B.

Founder / CEO·Expert admin·Scallar·France·used it More than 2 years

5
October 2026

Great for fast collaboration

Slack makes team communication fast and straightforward. Channels keep discussions organized, and integrations bring useful updates from other tools into one place. It works well for quick questions and everyday collaboration. The main drawback is the noise: as conversations multiply, notifications become distracting and important decisions can get buried.

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Features

Integrate conversations, apps, and customer interactions in one place
Automate workflows
Manage projects
Connect teams securely
Facilitate team communication
Provide AI-powered assistance
About
Founded2009
HeadquartersSan Francisco, USA
Employees1 000 – 10 000
slack.com

Alternatives & competitors