Slack
Slack is a team collaboration platform that brings messaging, file sharing, video meetings, and app integrations into one workspace, helping teams communicate, organize projects, and boost productivity across devices.
Useful details for evaluating Slack
Primary Category
Productivity
Pricing Model
Freemium
Related Topics
productivity
Last Updated
Jul 30, 2026
What is Slack?
Slack is a cloud-based team communication and collaboration platform designed to keep organizations connected and productive. It combines together real-time chat, structured channels, file sharing, audio and video conferencing, and connections with thousands of third-party apps in a single workplace. Whether you manage a small team or a large organization, Slack makes communication easier by reducing email clutter and centralizing conversations. Its AI-powered capabilities, automation tools, and seamless connections make it one of the most popular workplace communication platforms available today.
Slack is an AI-powered workplace collaboration platform owned by Salesforce since 2021. It serves 200,000+ paid customers, is used by 77 of the Fortune 100 companies, and has daily active users across 150+ countries. The platform supports 2,500+ app integrations through the Slack Marketplace, helping teams streamline communication and workflows. Slack combines messaging, channels, huddles, file sharing, AI-powered search, and workflow automation, making it one of the world's most widely adopted business collaboration platforms.
- Founder
- Founded by: Stewart Butterfield, Eric Costello, Cal Henderson, and Serguei Mourachov
- Current Owner: Salesforce
- Launch
- Founded: 2009 (as Tiny Speck)
- Slack Launched: August 2013
- Acquired by Salesforce: July 2021 (approximately $27.7 billion)
- Use Cases
- Team communication and collaboration
- Project management and task coordination
- Remote and hybrid workplace communication
- File sharing and document collaboration
- AI-powered search and conversation summaries
- Workflow automation and approvals
- Customer support and incident management
- Cross-functional team collaboration
- Developer and DevOps notifications
- Internal company announcements
- Technology
- Artificial Intelligence (Slack AI)
- Natural Language Processing (NLP)
- Machine Learning
- Cloud-based SaaS Architecture
- Workflow Automation
- Enterprise Search
- API & Webhooks
- End-to-End Enterprise Security
- OAuth Authentication
- 2,500+ Third-Party Integrations (Google Workspace, Microsoft 365, Salesforce, Jira, GitHub, Zoom, Notion, Asana, and more)
Slack Key Features
Some Slack key features are
- Channels – Organize conversations into public or private channels for teams, departments, or projects.
- Direct Messages (DMs) – Communicate instantly with individuals or small groups through private messaging.
- Slack AI – Get AI-powered conversation summaries, smart search, and quick answers from your workspace knowledge.
- Huddles – Start instant audio or video conversations for quick team discussions.
- Workflow Automation – Automate repetitive tasks, approvals, reminders, and notifications without any coding.
- File Sharing – Upload, share, preview, and collaborate on documents, images, and videos in chats.
- App Integrations – Connect with 2,500+ tools, including Google Workspace, Microsoft 365, Salesforce, Jira, GitHub, Zoom, Notion, and Asana.
- Search Functionality – Quickly find messages, files, links, and conversations with a powerful workspace search.
- Canvas – Create collaborative documents, meeting notes, and project plans directly in Slack.
- Lists – Track tasks, assign owners, and manage project workflows without leaving Slack.
- Audio & Video Calls – Host one-on-one or group meetings with screen sharing and collaboration tools.
- Enterprise Security – Protect data with enterprise-grade security, compliance, encryption, and admin controls.
- Custom Notifications – Personalize alerts to stay focused and keep up with important conversations.
- Slack Connect – Collaborate securely with external partners, clients, and vendors in shared channels.
- Mobile & Desktop Apps – Access your workspace seamlessly across Windows, macOS, Linux, Android, iOS, and the web.
Slack AI Pricing
Slack offers both free and paid plans.
Free Plan:
- Individuals and small teams who are getting started with team collaboration.
Pro Plan:
- The plan starts at $8.75/user/month
- Offers unlimited message history
- Offers unlimited app integration
- Offers group meetings
- Offers AI conversation summaries
Business+ Plan:
- The plan starts at $18/user/month
- Offers unlimited message history
- Offers unlimited app integration
- Offers group meetings
- Offers AI conversation summaries
- Offers AI workflow generation
- Offers AI search
- Offers AI daily recaps
- Allows AI file summaries
Disclaimer: For the latest and most accurate pricing information, please visit the official Slack website.
Who is using Slack?
A wide range of users and organizations are using Slack
- Small Businesses
- Startups
- Remote Teams
- Hybrid Teams
- Enterprises
- IT Teams
- DevOps Teams
- Software Development Teams
- Engineering Teams
- Sales Teams
- Marketing Teams
- Customer Support Teams
- HR Teams
- Product Teams
- Project Managers
- Operations Teams
- Finance Teams
- Educational Institutions
- Nonprofit Organizations
- Agencies
- Consulting Firms
- Healthcare Organizations
Slack Alternatives
Some Slack alternatives are
- Microsoft Teams
- Google Chat
- Discord
- Mattermost
- Rocket. Chat
- Zoom Team Chat
- Cisco Webex
- Chanty
- Flock
- Workplace by Meta
- Twist
- Ryver
- ClickUp Chat
- Zoho Cliq
- Pumble
- Spike
- RingCentral MVP
- Wire
- Basecamp
- ProofHub Chat
Slack vs. Competitors
The main difference between Slack, Microsoft Teams, Google Chat, Discord, Mattermost, and Rocket. Chat, Zoom Team Chat, Cisco Webex, Zoho Cliq, and Chanty are that Slack delivers the most balanced collaboration experience with AI-powered search, workflow automation, and 2,500+ app integrations in a clean, channel-based workspace. While Microsoft Teams is ideal for Microsoft 365 users, Google Chat works best with Google Workspace, Discord targets communities, and Mattermost emphasizes self-hosting and security. Slack stands out for its flexibility, scalability, and extensive integration ecosystem, making it a strong choice for businesses of all sizes.
| Feature | Slack | Microsoft Teams | Google Chat | Discord | Mattermost |
|---|---|---|---|---|---|
| Best For | Business collaboration | Microsoft 365 organizations | Google Workspace users | Communities & gaming | Secure enterprise communication |
| AI Features | Yes | Yes (Copilot) | Yes (Gemini) | Limited | Limited |
| Team Channels | Yes | Yes | Spaces | Servers & Channels | Yes |
| Direct Messaging | Yes | Yes | Yes | Yes | Yes |
| Audio & Video Meetings | Built-in Huddles | Teams Meetings | Google Meet | Voice Channels | Integrations |
| Workflow Automation | Advanced | Power Automate | Basic | No | Yes |
| Third-Party Integrations | 2,500+ | 1,900+ | Google Workspace apps | Thousands of bots | 700+ |
| File Sharing | Yes | Yes | Yes | Yes | Yes |
| Search Functionality | AI-powered | Advanced | Smart Search | Basic | Advanced |
| Security & Compliance | Enterprise-grade | Enterprise-grade | Enterprise-grade | Moderate | Enterprise-grade |
| Self-Hosted Option | No | No | No | No | Yes |
| Free Plan | Yes | Yes | Yes | Yes | Yes |
| Starting Price | 7.25/user/month | 4.00/user/month | Included with Google Workspace | Free | 10/user/month |
| Main Advantage | Best balance of collaboration, AI, and integrations | Best for Microsoft ecosystem | Best for Google Workspace | Best for communities | Best for self-hosted and privacy-focused teams |
How Did We Rate Slack?
| Category | Rating |
|---|---|
| AI Features | 4.7/5 |
| User Experience | 4.9/5 |
| Collaboration Tools | 5.0/5 |
| Integrations & Ecosystem | 5.0/5 |
| Workflow Automation | 4.8/5 |
| Performance & Reliability | 4.8/5 |
| Security & Compliance | 4.9/5 |
| Value for Money | 4.6/5 |
| Customer Support | 4.5/5 |
| Overall Rating | 4.8/5 |
Conclusion
Slack is still one of the best team collaboration platforms for organizations of all kinds, with a powerful combination of real-time messaging, AI-powered productivity tools, workflow automation, and thousands of app interactions. Its user-friendly interface, reliable performance, and scalable capabilities make it an ideal solution for startups, remote teams, and large organizations alike. While competitors such as Microsoft Teams and Google Chat succeed within their individual ecosystems, Slack stands out for its flexibility, wide connectors, and user-friendly interface, making it an excellent choice for modern office communication.
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FAQ
What is Slack used for?
Slack is a team collaboration platform used for instant messaging, file sharing, audio and video meetings, project collaboration, workflow automation, and app integrations. It helps businesses streamline communication and improve productivity.
Which is better: Slack or Microsoft Teams?
Slack is better for organizations that need extensive third-party integrations and a flexible collaboration experience. Microsoft Teams is a stronger choice for businesses already using Microsoft 365 because of its deep integration with Office apps.
What are the best Slack alternatives?
Some of the best Slack alternatives include Microsoft Teams, Google Chat, Discord, Mattermost, Rocket.Chat, Zoom Team Chat, Zoho Cliq, Cisco Webex, Chanty, and Pumble.
Can Slack integrate with other business tools?
Yes. Slack integrates with more than 2,500 applications, including Google Workspace, Microsoft 365, Salesforce, Jira, GitHub, Zoom, Notion, Asana, Trello, and ClickUp.
Who should use Slack?
Slack is ideal for startups, small businesses, enterprises, remote teams, software developers, marketing teams, sales teams, customer support teams, HR departments, project managers, and organizations that rely on real-time collaboration.
User Reviews
No reviews yet for Slack.
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Alternatives
Alternatives to Slack
The best Slack alternatives include Microsoft Teams, Google Chat, Discord, Mattermost, Rocket.Chat, Zoom Team Chat, Cisco Webex, Zoho Cliq, Chanty, Pumble, ClickUp Chat, Twist, Flock, Ryver, and Spike. These collaboration platforms offer team messaging, video conferencing, file sharing, workflow automation, AI-powered productivity tools, and third-party connections. Whether you want deeper Microsoft or Google ecosystem integration, self-hosting, or a low-cost solution, these Slack alternatives provide dependable solutions for businesses, startups, remote teams, and enterprises.
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