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 channels
Slack file sharing
Slack search tools
Slack task creations
Slack video/audio calls
Slack video
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Slack pricing overview

See pricing plans

Slack has a free version and offers a free trial. Slack paid version starts at USD 8.00/month.


Starting Price

USD 8.00/month See pricing details

Pricing Details

Slack is available across three premium tiers with pricing based per user per month, outlined below: Standard Plan: $6.67/user/month (billed annually) or $8.00/user/month (billed monthly) Plus Plan: $12.50/user/month (billed annually) or $15.00/user/month (billed monthly) Enterprise Grid: contact Slack for custom pricing details

Free Version

Yes

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

  • @mentions
  • API
  • Access Controls/Permissions
  • Activity Dashboard
  • Activity Tracking
  • Alerts/Notifications
  • Assignment Management
  • Brainstorming
  • Calendar Management
  • Chat/Messaging
  • Collaboration Tools
  • Commenting / Notes
  • Communication Management
  • Contact Management
  • Content Management
  • Customisable 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

View full list of Collaboration Software

  • API
  • Access Controls/Permissions
  • Active Directory Integration
  • Activity Dashboard
  • Activity Tracking
  • Alerts/Notifications
  • Approval Process Control
  • Archiving & Retention
  • Audit Management
  • Audit Trail
  • Authentication
  • Automatic Backup
  • Calendar Management
  • Chat/Messaging
  • Collaboration Tools
  • Commenting / Notes
  • Compliance Management
  • Content Management
  • Customisable 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
  • Single Sign On
  • Tagging
  • Task Management
  • Third Party Integrations
  • Two-Factor Authentication
  • User Management
  • Version Control
  • Workflow Management

View full list of File Sharing Software

  • @mentions
  • API
  • Access Controls/Permissions
  • Activity Dashboard
  • Activity Tracking
  • Alerts/Notifications
  • Assignment Management
  • Calendar Management
  • Chat/Messaging
  • Collaboration Tools
  • Commenting / Notes
  • Customizable Templates
  • Data Import/Export
  • Database Creation
  • Document Generation
  • Document Management
  • Document Storage
  • Drag & Drop
  • Email Management
  • File Management
  • File Sharing
  • File Transfer
  • Multiple Projects
  • Notes Management
  • Office Suite
  • Presentation Tools
  • Prioritization
  • Progress Tracking
  • Project Management
  • Project Planning
  • Project Time Tracking
  • Project Tracking
  • Projections
  • Real Time Notifications
  • Real-time Updates
  • Reminders
  • Reporting & Statistics
  • SSL Security
  • Search/Filter
  • Secure Data Storage
  • Single Sign On
  • Tagging
  • Task Management
  • Task Planning
  • Task Progress Tracking
  • Task Scheduling
  • Team Chat
  • Third Party Integrations
  • To-Do List
  • Workflow Management

View full list of Productivity Software

  • API
  • Access Controls/Permissions
  • Activity Dashboard
  • Activity Tracking
  • Agile Methodologies
  • Alerts/Notifications
  • Billing & Invoicing
  • Budget Management
  • Calendar Management
  • Client Portal
  • Collaboration Tools
  • Commenting / Notes
  • Cost-to-Completion Tracking
  • Customizable Templates
  • Document Management
  • Document Storage
  • Drag & Drop
  • File Sharing
  • Gantt/Timeline View
  • Idea Management
  • Issue Management
  • Kanban Board
  • Milestone Tracking
  • Multiple Projects
  • Percent-Complete Tracking
  • Portfolio Management
  • Prioritization
  • Progress Tracking
  • Project Planning
  • Project Planning/Scheduling
  • Project Templates
  • Project Time Tracking
  • Project Tracking
  • Project Workflow
  • Projections
  • Real-time Updates
  • Reporting & Statistics
  • Reporting/Project Tracking
  • Resource Management
  • Risk Management
  • Status Tracking
  • Task Management
  • Task Planning
  • Task Progress Tracking
  • Task Scheduling
  • Testing/QA Management
  • Third Party Integrations
  • Time & Expense Tracking
  • Traditional Methodologies
  • Workflow Management

View full list of Project Management Software

  • @mentions
  • API
  • Access Controls/Permissions
  • Activity Dashboard
  • Activity Tracking
  • Alerts/Notifications
  • Assignment Management
  • Calendar Management
  • Chat/Messaging
  • Collaboration Tools
  • Commenting / Notes
  • Communication Management
  • Customisable Branding
  • Customizable Templates
  • Data Import/Export
  • Document Management
  • Document Storage
  • Drag & Drop
  • Electronic Signature
  • Email Management
  • Employee Activity Monitoring
  • File Management
  • File Transfer
  • Live Chat
  • Meeting Management
  • Monitoring
  • Prioritization
  • Progress Tracking
  • Project Time Tracking
  • Projections
  • Real Time Data
  • Real Time Monitoring
  • Real Time Notifications
  • Real-time Updates
  • Remote Access/Control
  • Remote Support Software
  • Reporting & Statistics
  • SSL Security
  • Single Sign On
  • Softphone Software
  • Tagging
  • Task Management
  • Task Progress Tracking
  • Task Scheduling
  • Third Party Integrations
  • Time Zone Tracking
  • Two-Way Audio & Video
  • Video Chat
  • Video Conferencing
  • Workflow Management

View full list of Remote Work Software

  • @mentions
  • API
  • Access Controls/Permissions
  • Activity Dashboard
  • Activity Tracking
  • Activity/News Feed
  • Alerts/Notifications
  • Audio Calls
  • Calendar Management
  • Calendar Sync
  • Chat/Messaging
  • Collaboration Tools
  • Commenting / Notes
  • Communication Management
  • Conferencing
  • Contact Management
  • Content Management
  • Customisable Branding
  • Data Import/Export
  • Discussions / Forums
  • Document Management
  • Document Storage
  • Drag & Drop
  • Email Management
  • File Management
  • File Sharing
  • File Transfer
  • Forum / Discussion Board
  • Live Chat
  • Meeting Management
  • Mobile Access
  • Progress Tracking
  • Project Management
  • Projections
  • Real Time Notifications
  • Real-Time Chat
  • Real-time Updates
  • Reminders
  • Reporting & Statistics
  • Search/Filter
  • Single Sign On
  • Surveys & Feedback
  • Tagging
  • Task Management
  • Task Progress Tracking
  • Task Scheduling
  • Third Party Integrations
  • Two-Way Audio & Video
  • Video Conferencing
  • Workflow Management

View full list of Team Communication Software

  • API
  • Access Controls/Permissions
  • Active Directory Integration
  • Activity Dashboard
  • Activity Tracking
  • Alerts/Notifications
  • Audio / Video Conferencing
  • Automatic Call Distribution
  • CRM
  • Calendar Management
  • Call Center Management
  • Call Monitoring
  • Call Recording
  • Call Reporting
  • Call Routing
  • Call Tracking
  • Call Transfer
  • Caller ID
  • Chat/Messaging
  • Communication Management
  • Compliance Management
  • Computer Telephony Integration
  • Conferencing
  • Contact Database
  • Contact Management
  • Customizable Reports
  • Fax Management
  • File Sharing
  • File Transfer
  • IVR / Voice Recognition
  • Interaction Tracking
  • Live Chat
  • Meeting Management
  • Mobile Access
  • Multi-Channel Communication
  • Multi-User Collaboration
  • Real Time Data
  • Real Time Notifications
  • Real Time Reporting
  • Real-time Updates
  • Reporting & Statistics
  • SMS Messaging
  • SSL Security
  • Single Sign On
  • Third Party Integrations
  • Two-Way Audio & Video
  • Video Call Recording
  • Video Conferencing
  • Video Support
  • Voice Mail

View full list of Unified Communications Software

Slack Alternatives

More Slack alternatives

Slack Reviews

Read all reviews

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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Write a Review!
Brent w P.
Evangelist
Computer Software, 51-200 Employees
Used the Software for: 2+ years
  • Overall Rating
    5 /5
  • Ease of Use
    5 /5
  • Features & Functionality
    5 /5
  • Customer Support
    4 /5
  • Value for Money
    3 /5
  • Likelihood to Recommend
    10/10
  • Reviewer Source 
  • Reviewed on 22/12/2020

"The communication tool you can't do without"

Comments: Slack has improved our communication workflow with our team and improved the way we interact with clients. It allows for multiple language to be spoken by using some translation tools, thus including more staff and especially non-english speaking staff.

Pros: Slack is a great collaborative software that helps users to collaborate across cities, countries, and timezones. It is a crucial part of our project workflow and helps to let developers, project managers, and clients speak to each other in a collaborative enviroment. It has numerous integrations that allow for third-party apps to interact, create, and receive messages and alerts. These integrations allow us to have one place in which all communications can flow and makes it easier for a worldwide team to be up on the latest updates and critical alerts that may happen.

Cons: The slack tool can be a little battery intensive, especially as you add more slack channels. It also gets quite expensive as you add additional paid members to the group. If you are not aware of all your paid members, or you add guests as paid it can get very expensive quickly. Because this is a discussion, it is also possible that critical conversations can get lost in the stream of texts coming through.

  • Reviewer Source 
  • Reviewed on 22/12/2020
Travis S.
Director of Business Intelligence
Insurance, 2-10 Employees
Used the Software for: 2+ years
  • Overall Rating
    5 /5
  • Ease of Use
    5 /5
  • Features & Functionality
    4 /5
  • Customer Support
    5 /5
  • Value for Money
    5 /5
  • Likelihood to Recommend
    10/10
  • Reviewer Source 
  • Reviewed on 01/03/2021

"Mostly perfect"

Comments: Slack has been fantastic for keeping our remote workforce connected, fostering a sense of community within our organization, and freeing up our inbox for more important items. There have been a few quirks over the years, but the UI changes have been mostly positive. It seems like the platform is constantly improving with features that are actually useful instead of features for the sake of adding new features.

Pros: Slack Connect is great for facilitating efficient communication with partner businesses, vendors, and clients. Slack was already a vital part of our business and the ability to connect with other organizations on Slack cuts down on email significantly.

Cons: My only complaint with Slack at the moment is that Slack Connect conversations are placed at the top of the conversation list, even above starred conversations. Internal communication is more important to me and not having an option to place conversations with outside organizations below the ones I've determined are most important is an annoyance.

  • Reviewer Source 
  • Reviewed on 01/03/2021
Chaya W.
Trainee Software Engineer
Computer Software, 51-200 Employees
Used the Software for: 2+ years
  • Overall Rating
    3 /5
  • Ease of Use
    3 /5
  • Features & Functionality
    3 /5
  • Customer Support
    3 /5
  • Value for Money
    3 /5
  • Likelihood to Recommend
    7/10
  • Reviewer Source 
  • Reviewed on 18/04/2019

"Slack – Managing projects optimally"

Comments: Slack is a tool which can be used as a project management tool for managing projects and also it can be used for internal communication inside a project group or a company. Each project group can have its own channels inside the company workspace. Communication through private and public channels has made Slack more popular among the users.

Pros: Slack can be considered as a project management tool. Slack provides both mobile version and desktop version applications where the mobile version is installed in the mobile phone so that whatever may be the situation user may not miss any important information about the project instantly. While the desktop version helps to transfer files of the working project easily while working on the project. Slack provides the facility to share the files, folders, audio and video clips, links. there are private and public channels in slack. Users can be added to these channels and if the users prefer they can have their own personal chats through slack. The emojis, stickers, GIF are also added In Slack to provide better user experience and attract the users with its familiar look to most of the social media or texting apps.

Cons: In order to use Slack users need to have a proper network connection. Without proper network coverage, Slack won’t work. Sometimes messages won’t be delivered to the other side after a selected time(10 PM). Unless the user sets his or her state into active user won’t receive notifications after 10 pm. If the state is away then the messages sent after 10 pm won’t be delivered till the next morning. Because of this sometimes users may miss some important messages. It is both an advantage and a disadvantage too. There is no mechanism to know whether the receiver read the message or not once a message is sent. The sender has to wait until other messages come from the receiver acknowledging that the receiver read the message.

  • Reviewer Source 
  • Reviewed on 18/04/2019
Eric r. B.
Chief Product Officer
Internet, 2-10 Employees
Used the Software for: 2+ years
  • Overall Rating
    5 /5
  • Ease of Use
    5 /5
  • Features & Functionality
    4 /5
  • Customer Support
    4 /5
  • Value for Money
    5 /5
  • Likelihood to Recommend
    10/10
  • Reviewer Source 
  • Reviewed on 09/03/2021

"Slack is the solution for internal communication and collaboration"

Comments: Slack helps our team stay coordinated, interact in a timely manner, and track information in channels that provide context.

Pros: Slack's ease of use and understanding it paramount. While I find Teams to be over-extending itself into the Office world, Slack is just about making sure you can keep communication clear, timely and open. The ability to shift between private DMs, open channels, and private channels nicely delineates the way you can manage communication across a team. We use Slack for all internal communication, relegating email to external comms, which works really well.

Cons: The channels can overwhelm casual users at times. While the system tries to clean things up with suggestions, I think Slack should do more intentional hiding of under-used channels to keep it clean.

  • Reviewer Source 
  • Reviewed on 09/03/2021
Brandon S.
Marketing Content Manager
Biotechnology, 501-1,000 Employees
Used the Software for: 2+ years
  • Overall Rating
    5 /5
  • Ease of Use
    5 /5
  • Features & Functionality
    5 /5
  • Customer Support
    5 /5
  • Value for Money
    3 /5
  • Likelihood to Recommend
    10/10
  • Reviewer Source 
  • Reviewed on 13/02/2021

"The Best Instant/Group Messaging Platform on the Market"

Comments: Slack is great at keeping people connected across companies and geographies. I use it both personally and professionally, and I it would be difficult to imagine not using it.

Pros: At least from my perspective, Slack pioneered the modern chat/channel communication platform and it offers the best and fastest experience. I love the seamlessness of switching from chats to channels and finding the thread I need at the moment I need it.

Cons: Unfortunately for me, I work in a Microsoft dominated company that will only pay for MS Teams. If Slack were a clear bargain, I might have a case to get them to switch. However, the paid versions of Slack are a decent chunk of change. That has meant that those of us who like to use Slack must do so on a free account.

  • Reviewer Source 
  • Reviewed on 13/02/2021