Slack
Slack: A capable team-chat hub for integration-heavy teams, with limited free history. Ranked #2 of 63 in Team Chat Apps by our editors (9.3/10); pricing: Free plan; best for integration-heavy teams.
At a glance
- Editor score9.3 / 10
- PricingFree plan
- Best forIntegration-heavy teams
- Free planYes
- Paid from$7.25/user/mo
- Guest accessYes
- Facts checked20 Sep 2026
Where it wins
- Channels, direct messages, huddles, guests, and Slack Connect
- Broad integrations with Salesforce, Jira, GitHub, and other tools
- Workflow automation, AI features, and enterprise administration
Where it doesn't
- The Free plan includes only 90 days of message history
- Paid access starts at $7.25 per user per month on annual billing
- Enterprise+ requires contacting sales for pricing
Our verdict on Slack
Slack organizes workplace communication around public and private channels, direct messages, shared spaces, and Slack Connect external messaging. It is aimed at teams that need structured conversations alongside searchable message and file history, audio and video huddles with screen sharing, guest accounts, and connections to business tools. Its support across web, Windows, macOS, Linux, iOS, Android, and API makes it suitable for distributed teams working across multiple environments.
The plan structure makes Slack accessible for smaller or trial deployments, but the free tier is deliberately limited. Free is available at no cost per workspace and includes 90 days of message history and up to 10 apps. Pro costs $7.25 per user per month on annual billing and adds unlimited message history, unlimited app integrations, and group meetings. Business+ costs $15 per user per month on annual billing and adds advanced AI features and SAML-based single sign-on. Enterprise+ adds enterprise search and native data loss prevention, with pricing handled through sales. Teams comparing plans should focus on history retention, app limits, meetings, AI, and administrative requirements.
Slack’s strongest case is ecosystem fit. Listed integrations include Salesforce, Jira, Google Drive, ChatGPT, Asana, Miro, Notion, Zendesk, Dropbox, GitHub, GitLab, and PagerDuty, while Workflow Builder supports process automation. AI capabilities include search, conversation summaries, and daily recaps, and higher-tier administration includes SAML single sign-on and SCIM user management. Teams that want a central communication layer around many connected tools should consider Slack. It is a less suitable choice for organizations that need more than 90 days of searchable history without paying or that want predictable Enterprise+ pricing published upfront.
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Slack pricing
All 4 Slack plans and prices →
Slack fact sheet
| Free plan | Yes |
|---|---|
| Paid from | $7.25/user/mo |
| Channels | Yes |
| Guest access | Yes |
| Message history | Limited |
| Integrations | Salesforce, Jira, Google Drive, ChatGPT, Asana, Miro, Notion, Zoom, GitHub, GitLab, PagerDuty, Box, Dropbox, Zendesk, Freshdesk, HubSpot |
| Supported platforms | web, windows, macos, linux, ios, android, api |
| Maximum members | Not verified |
| Deployment | Cloud, Desktop, Mobile |
| Platforms | Web, Windows, macOS, Linux, iOS, Android |
| Compliance & security | SOC 2, ISO 27001, GDPR, HIPAA, SSO/SAML, 2FA |
| Support | Docs · 24/7 |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 2,600+ integrations: Salesforce, Jira, Google Drive, ChatGPT, Asana, Miro … See all → |
| Pricing | Free plan (source) |
| Website | slack.com |
| Facts checked | 20 Sep 2026 |
Slack integrations
Slack lists 2,600+ integrations on its own site — the 16 named here are the ones its pages call out.
- Salesforce
- Jira
- Google Drive
- ChatGPT
- Asana
- Miro
- Notion
- Zoom
- GitHub
- GitLab
- PagerDuty
- Box
- Dropbox
- Zendesk
- Freshdesk
- HubSpot
Alternatives to Slack
- Microsoft TeamsA broad team chat workspace with a free plan and deep Microsoft 365 integration.9.4
- Zoho CliqA broad team chat suite with strong Zoho ecosystem fit and a capable free plan.9.1
- MattermostA flexible team chat platform for technical teams that need self-hosting and automation.8.9
Slack vs the competition
- Slack vs Microsoft Teams
- Slack vs Zoho Cliq
- Slack vs Mattermost
- Slack vs Rocket.Chat
- Slack vs Zulip
- Slack vs Lark
Compare Slack with any tool side by side →
Also Ranked In
Slack is ranked in 15 of our directories; the 6 strongest besides Team Chat Apps.
- #2Team Communication Software25 tools ranked
- #2Team Collaboration Software25 tools ranked
- #2Business Instant Messaging - Midmarket Software24 tools ranked
- #2Business Instant Messaging - Enterprise Software22 tools ranked
- #2Google Workspace Communication Tools28 tools ranked
- #2Remote Working software23 tools ranked
Used Slack? Be the first to review it
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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