What is Slack?
Slack creates alignment and shared understanding across your team, making you more productive, less stressed, and just a little bit happier. Slack brings all your team's communication together, giving everyone a shared workspace where conversations are organized and accessible.
Company Details
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Real user data aggregated to summarize the product performance and customer experience.
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Product scores listed below represent current data. This may be different from data contained in reports and awards, which express data as of their publication date.
90 Likeliness to Recommend
97 Plan to Renew
86 Satisfaction of Cost Relative to Value
Emotional Footprint Overview
Product scores listed below represent current data. This may be different from data contained in reports and awards, which express data as of their publication date.
+93 Net Emotional Footprint
The emotional sentiment held by end users of the software based on their experience with the vendor. Responses are captured on an eight-point scale.
How much do users love Slack?
Pros
- Enables Productivity
- Reliable
- Respectful
- Helps Innovate
How to read the Emotional Footprint
The Net Emotional Footprint measures high-level user sentiment towards particular product offerings. It aggregates emotional response ratings for various dimensions of the vendor-client relationship and product effectiveness, creating a powerful indicator of overall user feeling toward the vendor and product.
While purchasing decisions shouldn't be based on emotion, it's valuable to know what kind of emotional response the vendor you're considering elicits from their users.
Footprint
Negative
Neutral
Positive
Feature Ratings
Instant Messaging
Notifications
File Sharing Collaboration
Integration With Productivity Tools
Granular Access Management
Search
Cross Platform Support
Document Collaboration
Voice and Video Collaboration
Vendor Capability Ratings
Ease of Implementation
Business Value Created
Quality of Features
Usability and Intuitiveness
Breadth of Features
Ease of Data Integration
Ease of IT Administration
Ease of Customization
Product Strategy and Rate of Improvement
Vendor Support
Availability and Quality of Training
Slack Reviews
Hatim B.
- Role: Information Technology
- Industry: Technology
- Involvement: End User of Application
Submitted Mar 2026
A significant upgrade from email.
Likeliness to Recommend
What differentiates Slack from other similar products?
It’s just better than email at internal comms because of the real-time aspect and the way that it organizes itself by topic (channel) rather than recipient. Email is for outside, formal communications; slack is for right now collaborative work. The channel format allows everyone who’s relevant to see the discussion — without infinite ’reply all’ loops.
What is your favorite aspect of this product?
I really enjoy that when i send a message in a smaller channel i can click to see who has read my message. The custom status updates work perfectly to let people know when i’m on lunch or in a deep work block. The file sharing is speedy, and the capacity to comment directly on a shared file saves life in feedback loops. The mobile app’s ability to seamlessly toggle between my various client workspaces is a massive time saver.
What do you dislike most about this product?
There can be an adjustment period for less tech-savvy users to the channel-based communication, which they sometimes initially use like a group text. The size limit for file uploads can be a bottleneck in the case of high def videos or design files.
What recommendations would you give to someone considering this product?
I highly recommend slack to any team who feels like their internal communication is slow, disorganized and results in missed information. It is the structure it enforces that provides the greatest benefits.
Pros
- Unique Features
- Inspires Innovation
- Saves Time
- Respectful
Cons
- Leverages Incumbent Status
John A.
- Role: Information Technology
- Industry: Technology
- Involvement: Business Leader or Manager
Submitted Mar 2026
Collaborative & Efficient
Likeliness to Recommend
What differentiates Slack from other similar products?
Connects with hundreds od third party tools like google workspace, Jira and Salesforce.
What is your favorite aspect of this product?
It keeps conversations searchable and ensures everyone stays aligned without endless emails.
What do you dislike most about this product?
Important updates can get lost, and constant notifications may reduce productivity if not managed carefully.
What recommendations would you give to someone considering this product?
Start with clear channel structure to avoid clutter and confusion.
Pros
- Performance Enhancing
- Enables Productivity
- Trustworthy
- Efficient Service
Ritik G.
- Role: Information Technology
- Industry: Engineering
- Involvement: IT Development, Integration, and Administration
Submitted Feb 2026
Slack - Making organisation collaboration easier
Likeliness to Recommend
What differentiates Slack from other similar products?
Slack allows to integrate with other systems which is really helpful for real time notifications.
What is your favorite aspect of this product?
Favourite aspect of slack is that how easily we can customise it according too our needs.
What do you dislike most about this product?
The way of maintaining the chats structure could be improved.
What recommendations would you give to someone considering this product?
Anyone who is considering to utilise slack I would recommend him to use it for easy and fast communication and real time notifications.
Pros
- Helps Innovate
- Continually Improving Product
- Inspires Innovation
- Client's Interest First