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What is Slack?

Slack is a cloud-based service designed to improve collaboration on projects and facilitate communication within teams, specifically aiming to promote seamless interactions within businesses. It provides a comprehensive suite of tools and services all in one place, allowing for private channels that foster interaction among smaller groups, direct messaging to quickly convey information to colleagues, and public channels that facilitate conversations among members from various organizations. Compatible with multiple operating systems, including Mac, Windows, Android, and iOS, Slack offers an extensive range of features such as chat functions, file sharing, collaborative environments, instant notifications, two-way audio and video communication, screen sharing, document imaging, and activity tracking, among others. The platform's intuitive interface and diverse integration capabilities contribute to its popularity among teams striving to boost their productivity and enhance communication. Furthermore, users appreciate Slack's ability to streamline workflows and keep everyone connected, making it an essential tool for modern workplaces.

Pricing

Price Starts At:
$6.67 per user per month
Free Version:
Free Version available.
Free Trial Offered?:
Yes

Integrations

Offers API?:
Yes, Slack provides an API

Screenshots and Video

Slack-Channels

Slack-Channels

Company Facts

Company Name:
Slack
Date Founded:
2014
Company Location:
United States
Company Website:
slack.com

Product Details

Deployment
SaaS
Windows
Mac
Linux
iPhone
iPad
Android
Training Options
Documentation Hub
Online Training
On-Site Training
Support
Web-Based Support

Product Details

Target Company Sizes
Individual
1-10
11-50
51-200
201-500
501-1000
1001-5000
5001-10000
10001+
Target Organization Types
Mid Size Business
Small Business
Enterprise
Freelance
Nonprofit
Government
Startup
Supported Languages
Chinese (Mandarin)
Chinese (Simplified)
English
French
German
Italian
Japanese
Korean
Portuguese
Russian
Spanish

Slack Categories and Features

Web Conferencing Software

Electronic Hand Raising
Mobile Access
On-Demand Webcasting
Presentation Streaming
Presentation Tools
Private Chat
Real-Time Chat
Record & Playback Ability
Screen Sharing
Two-Way Audio & Video
Video Conferencing
Whiteboard

Video Conferencing Software

Electronic Hand Raising
Mobile Access
On-Demand Webcasting
Presentation Streaming
Presentation Tools
Private Chat
Real-Time Chat
Record & Playback Ability
Screen Sharing
Two-Way Audio & Video
Video Conferencing
Whiteboard

Unified Communications Software

Audio / Video Conferencing
Calendar Management
Call Recording
Call Routing
Chat / Messaging
Fax Management
File Sharing
Mobile Access
Multi-User Collaboration
Voice Mail

Team Communication Software

Activity / News Feed
Audio Calls
Calendar Management
Chat / Messaging
Discussion Threads
File Sharing
Mobile Access
Push Notifications
Search
Surveys & Feedback
Task Management
Video Conferencing

Team Chat Software

End-to-End Encryption (E2EE)
File Sharing
Groups / Channels
Payments
Search / Filter
Self-Destructing Messages
Stickers / GIFs
Threaded Discussion
Video Conferencing
Voice Calling

Screen Sharing Software

Annotations / Drawing Tools
Desktop / Browser Sharing
Mobile Screen Sharing
Presenter Control Management
Remote Control
Screen Capture
Screen Mirroring
Screen Recording

Remote Work Software

Collaboration
Credential Management
Electronic Signature
Employee Monitoring
Live Chat
Meeting Management
Project Management
Remote Access
Remote Support
Screen Sharing
Softphone
Task Management
Time Zone Tracking
Video Chat
Web Conferencing

Messaging Software

End-to-End Encryption (E2EE)
File Sharing
Groups / Channels
Payments
Search / Filter
Self-Destructing Messages
Stickers / GIFs
Threaded Discussion
Video Conferencing
Voice Calling

Internal Communications Software

App Integration
Blogs
Chat/Messaging
Email Management
Employee Directory
Event Calendar
Newsletter Management
Photo Gallery
Social Sharing
Survey Management
Telephony
Video Chat
Voice Chat

Employee Communication Tools

Activity / News Feed
Audio / Video Conferencing
Blogs
Chat / Messaging
Employee Directory
Event Calendar
File Sharing
Knowledge Management
Newsletter Management
Surveys & Feedback

Collaboration Software

Brainstorming
Calendar Management
Chat / Messaging
Contact Management
Content Management
Document Management
Project Management
Real Time Editing
Task Management
Version Control
Video Conferencing

More Slack Categories

  • Reviewer Name: Zuveria H.
    Position: DevOps Engineer
    Has used product for: 1-2 Years
    Uses the product: Daily
    Org Size (# of Employees): 500 - 999
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Planning and communication tool for organizations.

    Date: Jun 28 2021
    Summary

    Overall, Slack is primarily used for communication between large groups or organization, because of its rich functionalities it is very easy to communicate with colleagues remotely.

    Positive

    1. It can be used for one on one communication.
    2. Catching up, and communicating among large groups, is very easy with Slack.
    3. It has a nice user-friendly UI.

    Negative

    1. Sometimes the message notification have delays.

    Read More...
  • Reviewer Name: Marilla R.
    Position: Sales Manager
    Has used product for: 1-2 Years
    Uses the product: Daily
    Org Size (# of Employees): 1,000 - 4,999
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Excellent design and very good panel for team communication.

    Date: Feb 09 2021
    Summary

    From 1 to 5, I would give Slack a 4, because it is a platform that has helped us to be able to communicate in our work area and to be able to maintain an interaction despite the distance we are. In these times of the COVID-19 pandemic, Slack has been very useful because it has provided us with an online communication with all my work colleagues, and has kept us connected for all kinds of discussions and to talk about any specific topic. Slack is very easy to use, the general design of the panel that it offers to users is very attractive.

    Despite the problems that Slack presents to be able to search for words, its general system is very good, communication is always persistent and it helps to share information much more frequently.

    Positive

    Team Collaboration is quite an important issue for all of us, because this allows all activities to be accomplished and teamwork can be consistently performed. Slack is an incredible platform to develop teamwork and to keep all areas of a company communicated, the most salient positive characteristics that I noticed are:

    1.- It has an excellent notification system for all types of devices, and warns at the exact moment when messages are sent in each of the chat channels.
    2.- In the main section of the panel, when you log in, a small box appears where all the unread messages appear and the mentions that have occurred while you were not online are also displayed.
    3.- The conversations of all communication channels work in real time and allow very simultaneous messaging to be had.

    Negative

    1.- I don't like that Slack conversations cannot be regulated, because on some occasions, conversation topics or group discussions get out of control and this creates a disaster in the chat channels. I would like to have system that regulates messages and can prevent spam.
    2.- The word search engine that Slack offers is a bit slow, and it is slower when there have been many messages within a communication channel. As the time-line of each chat channel grows, the word search process will take even longer.

    Read More...
  • Reviewer Name: Ashutosh M.
    Position: Student
    Has used product for: Less than 6 months
    Uses the product: Monthly
    Org Size (# of Employees): 5,000 - 9,999
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Good app but has a learning curve

    Date: Oct 27 2020
    Summary

    Great apps, wish they had made it little simpler to use compared to other collaboration software like ms teams. I love the great library they have compared to any other.

    Positive

    Great app for collaboration with a number of people.
    Free if a small group.
    Easy sharing of ideas with chat or video conferences.
    Thousands of apps integrations.

    Negative

    Slightly complicated to use compared to competitors like Teams.

    Read More...
  • Reviewer Name: A Verified Reviewer
    Position: Manager of Organizational Development
    Has used product for: 2+ Years
    Uses the product: Daily
    Org Size (# of Employees): 26 - 99
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Slack, A Robust Tool

    Updated: Oct 08 2020
    Summary

    Just an awesome tool! Slack has been a great resource for my business to streamline communication connectivity. Now we have a robust platform to communicate, collaborate and integrate with other business tools in slack.

    Positive

    Some advantages we are getting using Slack are:
    One of the productive and easiest platform to communicate with inbound members.
    The UI is user friendly. The setup and adapting this software is very simple.

    Negative

    Its mobile software takes lots of time to load integrated channels.

    Read More...
  • Reviewer Name: Alize L.
    Position: Community and Culture Manager
    Has used product for: 2+ Years
    Uses the product: Daily
    Org Size (# of Employees): 26 - 99
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Keeps company communication running smoothly!

    Date: May 29 2020
    Summary

    I would highly recommend Slack to any business interested in trying it out. So many helpful integrations are available that can maximize efficiency and productivity. It's a great and simple way for teams and individuals to communicate!

    Positive

    Slack's simple interface and concept is easy to navigate and customize. A huge part of our team culture and communication is based in Slack. Thanks to Slack, we've been able to keep business running smoothly through COVID-19 and keep updates transparent and available for everyone.

    Negative

    Sometimes calls drop or lag. This is infrequent though and otherwise, we've had no major issues with Slack!

    Read More...
  • Reviewer Name: Maqsood S.
    Position: Software Engineer
    Has used product for: Less than 6 months
    Uses the product: Daily
    Org Size (# of Employees): 100 - 499
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Chatroom for professionals

    Date: Dec 14 2020
    Summary

    Altogether, it is a great app and provides a lot of features and have well-detailed options to make it more organisable.

    Positive

    Provides dedicated chatrooms for a particular group and can be future divided.
    Most of the big organisations used it for communication between their employees.

    Negative

    Mobile version should have a more user-friendly interface.

    Read More...
  • Reviewer Name: A Verified Reviewer
    Position: Assistant Principal
    Has used product for: 6-12 Months
    Uses the product: Monthly
    Org Size (# of Employees): 100 - 499
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Slack

    Date: Nov 19 2020
    Summary

    I would recommend Slack to other users who are interested in streamlining efficiency and improving their ability to make data driven decisions. Overall, this platform performed exactly as we hoped it would! Very pleased!

    Positive

    I liked how simple the user interface was to teach to my team. As we got up and running, it was really easy to get results quickly.

    Negative

    I thought the customer service could have been a little more accessible for questions from us.

    Read More...
  • Reviewer Name: A Verified Reviewer
    Position: News Analyst
    Has used product for: 1-2 Years
    Uses the product: Daily
    Org Size (# of Employees): 5,000 - 9,999
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Easy platform for working as team

    Date: Oct 27 2020
    Summary

    I would recommend this platform to anyone who is working remotely and needs to communicate with peers. It is a simple tool that allows most people to maneuver easily without confusion.

    Positive

    Slack offers easy-to-use platform with ability to collaborate with team or coworkers. I use the platform daily to communicate in groups, closed groups and individually for work. Being able to download the app to receive notifications is also an easy way to keep up-to-date. The ability to call and video call via platform is also features.

    Negative

    In rare occasions, Slack crashes prompting all features to not be able to work. I've been using the platform daily for over a year and has only happened twice.

    Read More...
  • Reviewer Name: A Verified Reviewer
    Position: Biomedical Engineer
    Has used product for: 6-12 Months
    Uses the product: Weekly
    Org Size (# of Employees): 20,000 or More
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Excellent team collaboration communication software

    Date: Nov 17 2020
    Summary

    Overall a very well made communication product that rivals its competitors like Microsoft Teams.

    Positive

    -Slack is a great office tool bringing together channels and allowing us to collaborate better in real time.
    -Ease of setting up the software for new users and functionality are very easy and intuitive

    Negative

    -Pricing for Slack is a bit higher as compared to other competitors out in the market.

    Read More...
  • Reviewer Name: Malcom B.
    Position: Computer Programmer
    Has used product for: Less than 6 months
    Uses the product: Weekly
    Org Size (# of Employees): 1,000 - 4,999
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    A good platform for communication

    Date: May 25 2020
    Summary

    Overall, it is a great app to use for group communication especially right now when COVID-19 is keeping us from reaching out to our friends or fellow workers but still, it doesn't offer much in a unique perspective if compared to the other available platforms.

    Positive

    Slack is one of those applications which can be useful for group communications. Be it for school or for professional use, Slack offers a lot of features for people to use. You can communicate with others freely as well as send pictures and attachments.

    Negative

    What I didn't like about Slack is that there are much better alternatives out there. It is just the same platform if you compare it to other communication platforms. It doesn't stand out in the vast array of alternatives available to the public.

    Read More...
  • Reviewer Name: Gery G.
    Position: IT Support Specialist
    Has used product for: 2+ Years
    Uses the product: Daily
    Org Size (# of Employees): 1 - 25
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Slack at Fairytale Day

    Date: Nov 07 2020
    Summary

    My experience with Slack has been great and I use it on a daily basis to communicate with colleagues, relatives and friends.

    Positive

    Slack has improved team collaboration, task management among other internal communications obligations.

    Negative

    I find nothing to dislike as Slack meets my daily instant messaging needs.

    Read More...
  • Reviewer Name: Makayla B.
    Position: Social Media Manager
    Has used product for: 1-2 Years
    Uses the product: Daily
    Org Size (# of Employees): 1 - 25
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Perfect for project management

    Date: Apr 14 2020
    Summary

    Overall I would definitely recommend Slack to any business man or woman. It is ideal for projects that are time sensitive, with the function of setting deadlines so everyone involved is aware and accountable.

    Positive

    If you are running any type of reputable business Slack plays an essential part to your success. It is the perfect way to manage your team members and ensure that they are staying on task, with the ability to set deadlines it keeps all parties accountable.

    Negative

    There are a lot of features to Slack so it can take some time to effectively learn all of intricate functions.

    Read More...
  • Reviewer Name: A Verified Reviewer
    Position: Director of Program Management
    Has used product for: 2+ Years
    Uses the product: Daily
    Org Size (# of Employees): 26 - 99
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    An effective way to communicate and integrate business tools

    Updated: Oct 17 2020
    Summary

    With Slack, you can contact and interact with coworkers. The user interface is super excellent. The tool integration support is great.
    Overall, Slack is a terrific tool for team communication. It gives me the ability to extend its power using integrated tools.

    Positive

    Communication and interaction are really great at the Slack platform.
    Some features I liked and used are:-
    Integration with Trello, intuitive message and chats, mobile app and file transfer.

    Negative

    No alert on incoming messages. It always needs to restart to fix.

    Read More...
  • Reviewer Name: Bryce W.
    Position: CEO
    Has used product for: 2+ Years
    Uses the product: Daily
    Org Size (# of Employees): 1 - 25
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Awesome Productivity Product!

    Date: Oct 25 2020
    Summary

    Overall Slack is something my company uses and thrives on. It’s essential for any and all kinds of communication.

    Positive

    Slack has fast and easy communication. It’s meant for multiple employees with threaded conversations.

    Negative

    There are no cons really, other than just Slack has a lot of competitors.

    Read More...
  • Reviewer Name: SUHAIL A.
    Position: Co-founder
    Has used product for: 2+ Years
    Uses the product: Daily
    Org Size (# of Employees): 1 - 25
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Best in class for internal team communication

    Date: Oct 29 2020
    Summary

    Overall Slack is the best internal communication tool to exist today. It encourages collaboration and communication among teams.

    Positive

    I like how it's segregated in channels, and how conversations can be segregated among teams and one-on-one. I absolutely love the stickers and reactions that make the whole messages a lot more interactive.

    Negative

    I do not personally like the new mobile UI which can be improved a lot more.

    Read More...
  • Reviewer Name: Brandon P.
    Position: Marketing Coordinator
    Has used product for: 2+ Years
    Uses the product: Daily
    Org Size (# of Employees): 1 - 25
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Easy for teams

    Date: Apr 28 2020
    Summary

    It's great and I would recommend to any company needing a quick and efficient way to communicate to use it.

    Positive

    Love how you can create channels for each clients to organize messages and threads with colleagues.

    Negative

    It is a little overwhelming when you start using it.

    Read More...
  • Reviewer Name: Rahul M.
    Position: Intern
    Has used product for: 2+ Years
    Uses the product: Daily
    Org Size (# of Employees): 500 - 999
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Great for group chat "Slack"

    Date: Nov 23 2020
    Summary

    Slack helps to find and build a great community and channels. I really recommend Slack if you are in the development field and looking for good people.

    Positive

    Slack is the Best tools for the community-based program I love to share and talk about the events hackathon and open source project around the world.
    It also supports other tools like GitHub, GitLab, to directly review project details.

    Negative

    Slack is a little bit slow in low network but it works great for me!

    Read More...
  • Reviewer Name: A Verified Reviewer
    Position: Office Manager
    Has used product for: 1-2 Years
    Uses the product: Daily
    Org Size (# of Employees): 1 - 25
    Feature Set
    Layout
    Ease Of Use
    Cost
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Slack helps us stay connected!

    Date: Dec 15 2020
    Summary

    I would recommend Slack to any company that's looking for a way to keep their team in communication with each other all day.

    Positive

    I love the ability to customize the dashboard, create multiple group messages, and how easy it is to integrate other apps. It really helps our team collaborate and communicate with each other.

    Negative

    There isn't much more I could ask for! But if there's anything I'm forgetting I know there will be an update soon where Slack just rolls it out anyway.

    Read More...
  • Reviewer Name: A Verified Reviewer
    Position: Business Analyst
    Has used product for: Free Trial
    Uses the product: Daily
    Org Size (# of Employees): 500 - 999
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Slack - Review

    Date: Jun 19 2020
    Summary

    I have tried the free trial of slack recently, the application is pretty decent and the interface is very attractive. It has the calling options Supports both voice and video calling. File sharing in slack is good. On an overall level, the application is cool. Slack is a definite recommendation for companies of large size.

    Positive

    (+) The interface is very good and fast in terms of message delivery.
    (+) Codes, files can be easily shared across teams
    (+) Notification post receiving messages is good.
    (+) Calling options are good, quality is decent.
    (+) Teams can interact easily.

    Negative

    (-) A bit expensive compared to its competitors
    (-) In cases of pasting large code pieces, the application hangs.
    (-) Support can be better.
    (-) Search in chat can be better.

    Read More...
  • Reviewer Name: A Verified Reviewer
    Position: Intern
    Has used product for: Less than 6 months
    Uses the product: Daily
    Org Size (# of Employees): 1 - 25
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Review on Slack

    Date: May 22 2020
    Summary

    Slack has been very beneficial and is very easy to use. I think it is very easy to learn how to use it and would rate it 10/10.

    Positive

    Slack is very easy to use and has made communication with colleagues very fast and straightforward.

    Negative

    When a lot of people are on one channel the messages can be a little disorganized and chaotic.

    Read More...