Slack review
The best overall tool thanks to its unmatched app integrations and intuitive design.
Top 11 rank
#1 of 11
Score
9.2/9.4
Pricing
$$ ($8 to $15/user/mo)
HQ
San Francisco, USA
Verdict
Slack remains the top choice due to its polished user experience and the industry's largest integration ecosystem, boasting over 2,600 apps.
What customers praise
Its Workflow Builder allows non-technical users to automate routine tasks, such as posting daily standup reminders or routing support requests from specific channels.
What customers criticise
The free tier's 90-day message history limit is a significant constraint, effectively forcing growing teams to upgrade or lose access to past conversations.
Best for
Tech-forward companies and teams that rely on extensive third-party software integrations to automate their workflows.
At a glance
- Integrations: Google Drive, Jira, Trello, Asana, Salesforce, GitHub
- Compliance: SOC 2, SOC 3, ISO 27001, GDPR, HIPAA
- Regions served: Global
- Typical onboarding: 1 day
- Free tier: yes
Red flags
Public risk signals as of June 2026: none. No material public risk signals as of 2026-06-17. See the full red-flag report.
Alternatives
See alternatives to Slack, or compare against the next-ranked entry: Slack vs Microsoft Teams.
Source: Top 11 The 11 Best Team Communication Tools, verified June 17, 2026 — no paid placement.