Who Uses Slack?

Our customers range from two-person startups to Fortune 100 corporations. In fact, 77% of the Fortune 100 uses Slack.

What Is Slack?

Slack is a collaboration hub, where the right people and the right information come together, helping everyone get work done. When your team needs to kick off a project, hire a new employee, deploy some code, review a sales contract, finalize next year's budget, measure an A/B test, plan your next office opening, and more, Slack has you covered. Try Slack with your team for free.

Slack Details

Slack

https://slack.com

Founded 2014

Slack Software - Slack channels
Slack Software - Slack file sharing
Slack Software - Slack search tools
Slack Software - Slack task creations
Slack Software - Slack video/audio calls
Slack video
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Slack Software - Slack channels - thumbnail
Slack Software - Slack file sharing - thumbnail
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Slack Software - Slack task creations - thumbnail
Slack Software - Slack video/audio calls - thumbnail

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Starting price

US$8,00/month
US$7,50/month
US$10,00/month
US$5,00/year

Free Version

Free Version Yes
Free Version Yes
Free Version Yes
Free Version Yes

Free Trial

Free Trial Yes
Free Trial Yes
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Free Trial Yes

Slack deployment and support

Support

  • Email/Help Desk
  • FAQs/Forum
  • Knowledge Base
  • Chat

Deployment

  • Cloud, SaaS, Web-based
  • Mac (Desktop)
  • Windows (Desktop)
  • Android (Mobile)
  • iPhone (Mobile)
  • iPad (Mobile)

Training

  • In Person
  • Live Online
  • Documentation
  • Videos

Slack Features

  • Audio Calls
  • Audio/Video Recording
  • Call Conferencing
  • Call Scheduling
  • Custom Greetings/Messages
  • File Sharing
  • International Calling
  • Mobile Access
  • Real-Time Chat
  • Reporting/Analytics
  • Screen Sharing
  • Two Way Audio & Video
  • Virtual Voicemail

View full list of Audio Conferencing

  • @mentions
  • API
  • Access Controls/Permissions
  • Activity Dashboard
  • Activity Tracking
  • Agile Methodologies
  • Alerts/Notifications
  • Assignment Management
  • Audit Trail
  • Backlog Management
  • Bug Tracking
  • Bug/Issue Capture
  • Charting
  • Code Repository Integration
  • Collaboration Tools
  • Commenting/Notes
  • Configurable Workflow
  • Customizable Fields
  • Customizable Reports
  • Customizable Templates
  • Data Visualization
  • Drag & Drop
  • Email Management
  • Feedback Management
  • File Management
  • Issue Management
  • Issue Tracking
  • Knowledge Base Management
  • Monitoring
  • Multiple Projects
  • Prioritization
  • Progress Tracking
  • Project Management
  • Project Planning
  • Project Time Tracking
  • Projections
  • Real Time Notifications
  • Real-time Updates
  • Reporting & Statistics
  • Reporting/Analytics
  • Single Sign On
  • Status Tracking
  • Tagging
  • Task Management
  • Task Planning
  • Task Progress Tracking
  • Task Scheduling
  • Third Party Integrations
  • Ticket Management
  • Workflow Management

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  • Assignment Management
  • Brainstorming
  • Calendar Management
  • Chat/Messaging
  • Collaboration Tools
  • Commenting/Notes
  • Communication Management
  • Contact Management
  • Content Management
  • Customizable Branding
  • Discussions / Forums
  • Document Management
  • Document Storage
  • Drag & Drop
  • Email Management
  • File Management
  • File Sharing
  • File Transfer
  • Live Chat
  • Mobile Access
  • Prioritization
  • Progress Tracking
  • Project Management
  • Project Planning
  • Projections
  • Real Time Editing
  • Real Time Notifications
  • Real-time Updates
  • Reporting & Statistics
  • SSL Security
  • Screen Sharing
  • Secure Data Storage
  • Single Sign On
  • Status Tracking
  • Tagging
  • Task Management
  • Task Planning
  • Task Progress Tracking
  • Task Scheduling
  • Third Party Integrations
  • To-Do List
  • Version Control
  • Video Conferencing
  • Workflow Management

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  • Chat/Messaging
  • Commenting/Notes
  • Communication Management
  • Contact Database
  • Content Management
  • Customizable Branding
  • Customizable Fields
  • Customizable Templates
  • Data Import/Export
  • Discussions / Forums
  • Document Management
  • Document Storage
  • Drag & Drop
  • Email Invitations & Reminders
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  • Engagement Tracking
  • Event Calendar
  • Event Management
  • Feedback Management
  • Filtering
  • Forum / Discussion Board
  • Gamification
  • Group Management
  • Ideation
  • Knowledge Base Management
  • Live Chat
  • Member Directory
  • Membership Management
  • Mobile Access
  • Moderation
  • Multi-Language
  • Online Forums
  • Personalization
  • Real Time Notifications
  • Reporting & Statistics
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  • Social Media Integration
  • Surveys & Feedback
  • Tagging
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  • Chat/Messaging
  • Churn Management
  • Communication Management
  • Community Management
  • Content Creation
  • Content Management
  • Customer Database
  • Customer Experience Management
  • Customer Segmentation
  • Customizable Branding
  • Customizable Fields
  • Customizable Reports
  • Customizable Templates
  • Drag & Drop
  • Email Management
  • Engagement Tracking
  • Event Triggered Actions
  • Feedback Management
  • Gamification
  • Live Chat
  • Monitoring
  • Multi-Channel Communication
  • Multi-Channel Marketing
  • Multi-Language
  • Real Time Analytics
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  • Social Media Integration
  • Survey/Poll Management
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  • Workflow Management

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  • Contact Database
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  • Customer History
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  • Customizable Forms
  • Customizable Templates
  • Data Import/Export
  • Drag & Drop
  • Email Management
  • Employee Management
  • Engagement Tracking
  • Event Triggered Actions
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  • Knowledge Base Management
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  • Performance Management
  • Performance Metrics
  • Queue Management
  • Real Time Analytics
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  • Rules-Based Workflow
  • SMS Messaging
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  • Single Sign On
  • Social Media Integration
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  • Customizable Reports
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  • Content Creation
  • Content Library
  • Content Management
  • Contextual Guidance
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  • Customer Segmentation
  • Customizable Branding
  • Customizable Fields
  • Customizable Reports
  • Customizable Templates
  • Data Import/Export
  • Data Quality Control
  • Employee Onboarding
  • Engagement Tracking
  • Event Triggered Actions
  • Gamification
  • In-App Training
  • Interactive Content
  • Knowledge Base Management
  • Launch Management
  • Learning Management
  • Monitoring
  • Multi-Language
  • Performance Metrics
  • Progress Tracking
  • Real Time Analytics
  • Real Time Data
  • Real Time Notifications
  • Reporting & Statistics
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  • Self Service Portal
  • Self Service Tools
  • Self-Learning
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  • Surveys & Feedback
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  • Third Party Integrations
  • Training Management
  • User Onboarding
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  • @mentions
  • API
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  • Active Directory Integration
  • Activity Dashboard
  • Activity Tracking
  • Activity/News Feed
  • Alerts/Notifications
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  • Calendar Management
  • Chat/Messaging
  • Collaboration Tools
  • Commenting/Notes
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  • Configurable Workflow
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  • Customizable Branding
  • Customizable Fields
  • Customizable Forms
  • Customizable Templates
  • Data Import/Export
  • Document Management
  • Document Storage
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  • Employee Database
  • Employee Directory
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  • Employee Portal
  • Feedback Management
  • File Management
  • File Sharing
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  • Forum / Discussion Board
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  • Activity Dashboard
  • Activity Tracking
  • Alerts/Notifications
  • Approval Process Control
  • Archiving & Retention
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  • Audit Trail
  • Authentication
  • Automatic Backup
  • Calendar Management
  • Chat/Messaging
  • Collaboration Tools
  • Commenting/Notes
  • Compliance Management
  • Content Management
  • Customizable Branding
  • Customizable Templates
  • Data Synchronization
  • Document Management
  • Document Storage
  • Drag & Drop
  • Electronic Signature
  • Email Management
  • Encryption
  • File Management
  • File Transfer
  • Full Text Search
  • HIPAA Compliant
  • Live Chat
  • Messaging
  • Mobile Access
  • Projections
  • Real Time Notifications
  • Real Time Synchronization
  • Reporting & Statistics
  • Role-Based Permissions
  • SSL Security
  • Search/Filter
  • Secure Data Storage
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  • Third Party Integrations
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  • Version Control
  • Workflow Management

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  • API
  • Activity Dashboard
  • Alerts / Escalation
  • Alerts/Notifications
  • Audit Management
  • Audit Trail
  • Communication Management
  • Communications Management
  • Compliance Management
  • Contact Management
  • Corrective and Preventive Actions (CAPA)
  • Customizable Fields
  • Customizable Forms
  • Customizable Reports
  • Customizable Templates
  • Data Visualization
  • Disaster Recovery
  • Document Management
  • Email Alerts
  • Event Logs
  • Forms Management
  • IT Incident Management
  • Incident Management
  • Incident Reporting
  • Inspection Management
  • Investigation Management
  • Issue Management
  • Maintenance Scheduling
  • Mobile Alerts
  • Monitoring
  • Multi-Channel Communication
  • Multi-Language
  • OSHA Compliance
  • On Call Scheduling
  • Real Time Monitoring
  • Real Time Notifications
  • Real Time Reporting
  • Real-time Updates
  • Reminders
  • Reporting & Statistics
  • Risk Alerts
  • Risk Analytics
  • Risk Assessment
  • Safety Incident Management
  • Single Sign On
  • Status Tracking
  • Task Management
  • Third Party Integrations
  • Training Management
  • Workflow Management

View full list of Incident Management Software

  • API
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  • Activity Tracking
  • Alerts / Escalation
  • Alerts/Notifications
  • Assignment Management
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  • Collaboration Tools
  • Commenting/Notes
  • Configurable Workflow
  • Customizable Branding
  • Customizable Fields
  • Customizable Forms
  • Customizable Reports
  • Customizable Templates
  • Dashboard
  • Drag & Drop
  • Email Management
  • Help Desk Management
  • Issue Auditing
  • Issue Management
  • Issue Scheduling
  • Issue Tracking
  • Knowledge Base Management
  • Monitoring
  • Multi-Channel Communication
  • Prioritization
  • Project Management
  • Projections
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  • Reporting & Statistics
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  • Rules-Based Workflow
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  • Host Controls
  • Internal Meetings
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  • Meeting Room Booking
  • Mobile Access
  • Presentation Streaming
  • Private Chat
  • Recording
  • Reminders
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  • Third Party Integrations
  • User Management
  • Video Conferencing
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  • For Nonprofits
  • Gantt/Timeline View
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  • @mentions
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Slack Alternatives

More Slack alternatives

Slack Reviews

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Overall rating

4,7/5

Average score

Ease of Use 4,6
Customer Service 4,4
Features 4,5
Value for Money 4,5

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Sourabh S.
Sourabh S.
Software Developer
Computer Software, 10 000+ Employees
Used the Software for: 1+ year
  • Overall Rating
  • Ease of Use
  • Features & Functionality
  • Customer Support
  • Value for Money
  • Likelihood to Recommend
    9/10
  • Reviewer Source 
  • Reviewed on 2021/08/07

"Slack makes business communication easy, efficient and engaging"

Comments: I have enjoyed every bit of using slack, it gives me a feeling of using a robust yet state of the art communication platform. Hats off to the folks at slack, keep the good work going !!

Pros: It has carved a new segment in business communication and remote collaboration. Right now it is the gold standard as far as combining email and chat go. The User Interface is peppy and fun. The User Experience is very intuitive and efficient. We can edit messages that were sent without much noise. Love the slackbot as well it is very effective if used correctly. There are some really cool geeky features like Marvin etc which add the much needed spice to the remote work environment.

Cons: I haven't seen/used a native audio or video calling feature on slack, there are some advantages of having 3rd party video conferencing integration support but an inbuilt audio and video calling would have made this an absolute front runner in its segment. There should be a feature to notify when someone has logged in back to slack.

  • Reviewer Source 
  • Reviewed on 2021/08/07
Meghan R.
Marketing and Social Media Coordinator
Real Estate, 11-50 Employees
Used the Software for: 1+ year
  • Overall Rating
  • Ease of Use
  • Features & Functionality
  • Customer Support
  • Value for Money
    Unrated
  • Likelihood to Recommend
    9/10
  • Reviewer Source 
  • Reviewed on 2021/09/06

"Great for teams at the workplace"

Comments: I have had many benefits using slack. For example, increased communication between team members and they are more willing to communicate using this tool. It is very interactive and can be fun in a way for our team as it is a very easy tool to use.

Pros: I have used this software since I was in college. It was used for group projects and to communicate with our fellow colleagues. Slack makes it so easy to instantly send files and documents without the hassle of going back and forth with uploading them to emails and hoping they deliver. Slack is great in my current workplace as we have many real estate agents who need to share information. This allows us to avoid massive group texts and have everyone in one place. It makes our work much easier and more organized. I especially like how we can break off into smaller conversations if it only requires certain people. Amazing tool.

Cons: I honestly can’t think of many things I don’t like. One suggestion I think that would make this software better is being able to see what time someone sees a message and who those people are who have read the messages. Cause that way I know who has seen it and who hasn’t. This can allow us to communicate better by knowing who is informed and who isn’t yet.

  • Reviewer Source 
  • Reviewed on 2021/09/06
Jon B.
President
Computer Software, Self Employed
Used the Software for: 1+ year
  • Overall Rating
  • Ease of Use
  • Features & Functionality
  • Customer Support
    Unrated
  • Value for Money
  • Likelihood to Recommend
    5/10
  • Reviewer Source 
  • Reviewed on 2020/07/09

"Slack is essentially advanced texting for business users"

Comments: I started using Slack because my client required it. I find that it cuts down on my email dependence but I'm often frustrated when attempting to compose a message without standard elements such as tables, inline images, etcetrera.

Pros: I like the ability to stay in touch with our users via whatever device I'm currently using. For example, I can respond from my home computer, tablet, work computer or via my phone. I especially like the ability to be notified of a new message via my phone where I can read the message on the phone but can step over to my laptop to reply. I also appreciate the ability to add an email thread to a Slack Channel by simply adding a slack email address (each channel has a unique email address) to the CC field when I reply.

Cons: The biggest con for me is the extremely limited amount of formatting available to Slack messages. I can make a font bold and add links to files/images but I really miss the rich text features many similar apps provide. It's also frustrating to need to keep typing adding the user name(s) when I'm responding to a message. I'm assuming that this is by design but it would really be nice to be able to "Reply All" to a conversation thread. The desktop Slack application (running on Windows 10 Pro) has a "clunky" feel to it. It's written with a framework that allows the Slack developers to write HTML and JavaScript code that is essentially compiled into a Windows application and it definitely shows. Something as simple as selecting text is counter-intuitive (until you realize that it's essentially a web page mascaraing as a Windows application.

  • Reviewer Source 
  • Reviewed on 2020/07/09
Verified Reviewer
CEO
Computer Software, 2-10 Employees
Used the Software for: 2+ years
  • Overall Rating
  • Ease of Use
  • Features & Functionality
  • Customer Support
  • Value for Money
  • Likelihood to Recommend
    7/10
  • Reviewer Source 
  • Reviewed on 2021/08/28

"Slack is complex, but the best option currently available"

Comments: Overall I Slack is a good tool, but it can be so much better by making it more simple/friendly to use and by improving the tagging mechanism there.

Pros: I like the fact that it is an internal team communication tool where all discussions are labeled under one "channel".

Cons: The tagging/and notifications. We miss a lot of sent messages there for some reason and I blame the tagging/notification algorithm of the software.

  • Reviewer Source 
  • Reviewed on 2021/08/28
David W.
David W.
Senior Scrum Master
Hospital & Health Care, 201-500 Employees
Used the Software for: 2+ years
  • Overall Rating
  • Ease of Use
  • Features & Functionality
  • Customer Support
  • Value for Money
  • Likelihood to Recommend
    10/10
  • Reviewer Source 
  • Reviewed on 2021/07/29

"The best remote collaboration tool I have EVER used!"

Comments: Slack is the easiest collaboration tool I've ever used. I am currently acting as Scrum Master for four agile teams, and it's easy to keep in touch with all of them and coordinate standups. File sharing is extremely easy

Pros: Slack is a user-friendly, robust collaboration tool that allows for quick setup and access to channels both public and private. Asynchronous communication is a cinch and the Mentions and Reactions feature allows for easy access to what recent messages you have received.

Cons: Due to Slacks' third party app space, there are some features that might seem to be missing at first but need to be found as a third party feature. This involves an admin or an owner having to approve the app being installed. This can sometimes be a bit of a headache on the admin end, as it requires going to obscure parts of the app to approve. It could be an easier experience.

  • Reviewer Source 
  • Reviewed on 2021/07/29