Slack
The AI-powered team messaging platform where work happens
Founded
2009
Starting Price
$0
Category
Collaboration
Last updated March 24, 2026
About Slack
Slack is an AI-powered team messaging and collaboration platform owned by Salesforce. It organizes conversations into channels for teams, projects, and topics, replacing scattered email threads with searchable, persistent chat. Slack supports direct messages, threaded replies, voice and video huddles, audio/video clips, and over 2,600 app integrations. With Slack AI, teams get automatic channel summaries, daily recaps, huddle notes, and an AI-powered Slackbot agent. The platform serves organizations from small startups to Fortune 500 enterprises with enterprise-grade security including SOC 2, ISO 27001, GDPR compliance, and FedRAMP authorization.
Pros & Cons
Pros
- Industry-leading app ecosystem with 2,600+ integrations for virtually any workflow
- Intuitive channel-based organization keeps conversations searchable and transparent
- Slack AI adds powerful summaries, recaps, and an AI agent without extra setup
- Huddles and Clips reduce meeting fatigue with quick async and sync communication
- Enterprise-grade security with SOC 2, ISO 27001, GDPR, HIPAA, and FedRAMP compliance
Key Features
Channels
Organize conversations by team, project, or topic with public and private channels that keep everyone aligned and information searchable
Slack AI
AI-powered channel summaries, daily recaps, huddle notes, and a personal AI agent built natively into the platform
Huddles & Clips
Lightweight voice and video calls (huddles) for quick discussions, plus audio/video clips for async communication
Threads
Keep detailed discussions organized within channels by replying in threads, reducing noise in main channel feeds
App Integrations
Connect over 2,600 third-party apps including Google Workspace, Salesforce, Jira, GitHub, and Zoom directly into your workflow
Workflow Builder
Create automated workflows without code to streamline routine processes like approvals, onboarding, and status updates
Slack Connect
Collaborate securely with external partners, vendors, and clients in shared channels across organizations
Pricing
Free
$0
- 90 days of message history
- 10 app integrations
- 1:1 voice and video calls
- Basic search
Pro
$7.25/user/month
Best For
Team Communication Hub
Centralize all team messaging, file sharing, and quick decisions in organized channels instead of scattered email threads
Cross-Functional Project Collaboration
Create project-specific channels bringing together members from different departments with relevant app integrations
Remote & Hybrid Team Coordination
Keep distributed teams connected with async clips, huddles for quick syncs, and timezone-friendly threaded discussions
Developer Operations & Alerts
Integrate CI/CD pipelines, monitoring tools, and incident management directly into Slack channels for real-time visibility
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