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Slack Review

★ 4.6

Messaging program designed specifically for office and team communities.

Reviewed March 2026

Rating ★ 4.6 / 5
Pricing Freemium
Starting Price Free / $7.25/user/mo
Category Community Growth
Visit Slack ↗ 6 Alternatives → Community Growth

Overview

Slack is a team messaging platform that organizes conversations into channels by topic, project, or team. Direct messages, file sharing, huddles, and 2,600+ integrations make it the default communication layer for remote and hybrid teams. The free plan retains 90 days of message history; Pro ($7.25/user/mo) unlocks unlimited history and integrations; Business+ ($12.50/user/mo) adds SSO and compliance exports.

Pros & Cons

Pros
  • Channel-based organization keeps conversations separated by project, team, or topic
  • 2,600+ integrations including GitHub, Jira, Salesforce, and PagerDuty
  • Huddles (quick audio with optional screen share) replace ad-hoc Zoom calls for short discussions
  • Workflow Builder automates routine notifications and approval workflows without code
  • Full-text search across all message history (Pro) finds past decisions in seconds
Cons
  • Free plan caps message history at 90 days — older conversations become inaccessible
  • Notification volume creates distraction and context-switching for many users
  • Business+ ($12.50/user/mo) required for SSO and compliance retention policies

Best For

Remote team communication and daily collaboration
Engineering teams integrating with GitHub and Jira
Companies needing searchable message history and compliance
Teams replacing email for internal project coordination

Final Verdict

Slack is the dominant team communication tool for good reason — its channel model and integration depth match any tech or marketing team's workflow. The 90-day free plan history limit is a real constraint; teams with compliance needs or large history requirements should budget for Business+.

★ 4.6 / 5
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Frequently Asked Questions

What is Slack?
Slack is a team messaging platform that organizes conversations into channels by topic, project, or team. Direct messages, file sharing, huddles, and 2,600+ integrations make it the default communication layer for remote and hybrid teams. The free plan retains 90 days of message history; Pro ($7.25/user/mo) unlocks unlimited history and integrat...
Is Slack free?
Slack offers a free plan, with paid plans starting at Free / $7.25/user/mo.
Who is Slack best for?
Slack is best for: Remote team communication and daily collaboration, Engineering teams integrating with GitHub and Jira, Companies needing searchable message history and compliance, Teams replacing email for internal project coordination.
What are the best alternatives to Slack?
Top alternatives to Slack include Skool, Circle and Discord.