Slack

Team communication and collaboration platform

4.8•906 reviews•

6K followers

Team communication and collaboration platform

4.8•906 reviews•

6K followers

Visit website

Team collaboration software

•

Messaging apps

Slack is an application that helps teams communicate and work together by combining messaging, file sharing, and app integrations in one place. It makes it easy for teams to stay connected and work efficiently, whether they are in the office or working remotely.

Slack Reviews

The community submitted 906 reviews to tell us what they like about Slack, what Slack can do better, and more.

4.8

Based on 906 reviews

Review Slack?

Slack earns strong praise for fast, organized team comms, powerful integrations, and channel/thread structure that keeps work moving—especially for remote teams. Makers from

Amplitude

highlight reliable launch coordination and cross-team sync; makers from

MacPaw

note smooth integrations for easier external access; makers from

Metabase

prefer it over traditional tools. Users love huddles, search, and extensibility, but cite notification overload, clutter in busy threads, and limits on free plans. Best results come with channel hygiene, focused notifications, and pairing with a doc/issue tracker.

+907

Summarized with AI

Pros

remote team collaboration (91)

integration with productivity tools (82)

real-time messaging (54)

channel organization (53)

user-friendly interface (28)

search functionality (25)

file sharing (19)

threaded conversations (16)

customizable notifications (11)

workflow automation (9)

Cons

notification fatigue (24)

channel bloat (12)

learning curve (11)

mobile app performance (10)

free version limitations (6)

video call quality (2)

Pros

Cons

Reviews

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Founder Reviews (500)

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Other Reviews (406)

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used

Slack

to build Warestack

•15 reviews

Slack's Socket Mode and webhook APIs have unlocked some really cool agentic capabilities for us. We're building AI agents that can operate directly within Slack channels, responding to events, coordinating team actions, and executing post-action workflows. The real-time messaging combined with our webhook integration means our AI can notify teams instantly about PR reviews, deployments, or governance issues. Plus, the bot framework makes it feel like having an AI teammate that's always available in the channel.

What's great

workflow automation (9)real-time messaging (54)

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25 views6mo ago

Gridapps Testimonials

•8 reviews

Slack is the heartbeat of our team communication. We use it daily for everything — project updates, quick decision-making, integrations with tools like Notion and GitHub, and fun culture-building with custom emojis and bots. Its channel-based structure keeps conversations focused and organized. The search feature is powerful, and the ability to reply in threads keeps everything tidy. Slack has drastically reduced email clutter and increased our speed of collaboration. It’s the virtual office for modern teams.

What's great

search functionality (25)integration with productivity tools (82)channel organization (53)remote team collaboration (91)threaded conversations (16)

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23 views7mo ago

used

Slack

to build Lingoedit 2.0

•3 reviews

How We Use It: Slack is our main communication hub. We use it to discuss daily tasks, share updates, and quickly resolve issues. Channels are organized by project, and we use direct messages for one-on-one conversations. Integration with other tools like Google Drive and GitHub helps us keep everything in one place. Why We Love It: Slack keeps our team connected and in sync, no matter where we are. The ease of communication and the ability to integrate various tools streamline our workflow and enhance productivity. Plus, the playful features like emojis and GIFs add a fun element to our workday.

What's great

integration with productivity tools (82)channel organization (53)remote team collaboration (91)

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17 views1yr ago

•5 reviews

What's great

workflow automation (9)file sharing (19)channel organization (53)remote team collaboration (91)

Slack remains one of the golden standards for remote team collaboration; my favorite part of the tool is the integrations it carries natively. Channels also help a lot for teams that wear many hats.

What needs improvement

mobile app performance (10)free version limitations (6)notification fatigue (24)video call quality (2)

Free version limits remain a blocker. However, many competitor tools have also lowered their free version limits so not the biggest flaw. I do think the mobile version can be further improved though!

vs Alternatives

Discord

Mattermost Webex

Webex

Microsoft Teams Lark

Lark

I still use the other products but vary a lot of the situation. Lark is more of a super app that also includes gmeet/zoom and notion - used a lot more in Chinese companies. Teams is still heavily used in consulting / f500 companies. Discord is used more for gaming / community management for crypto and ai startups. Webex and Mattermost are more niches now.

Does Slack integrate smoothly with your key tools?

Yes, integration is a major competitive advantage of Slack vs. other comps.

How easy is it to standardize channel naming and usage?

Very.

Ratings

Ease of use

Reliability

Value for money

Customization

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32 views29d ago

•22 reviews

Slack remains one of the leading team communication tools, and for good reason. Its clean interface, speed, and extensive integration capabilities make it a fantastic option for organizations looking to enhance their collaboration. I’ve found it particularly effective for real-time messaging and file sharing, and the ability to connect seamlessly with third-party apps like Google Drive, Notion, and Zoom is a major plus. It was beneficial when we were developing Taskosaur, as the search function and workflow automation features significantly streamlined collaboration across our departments. However, there are some drawbacks to consider. For larger teams, Slack can quickly become noisy and overwhelming if channels aren’t organized effectively. This can lead to important messages getting lost in the shuffle, which happened with us. Furthermore, I think the pricing is a bit steep for startups, which might limit its accessibility for smaller companies. Lastly, Slack's heavy reliance on internet connectivity can be a downside in low-bandwidth situations, making it less than ideal in those circumstances. Overall, while Slack is a powerful communication tool, it does have its limitations that teams should be mindful of.

What's great

user-friendly interface (28)workflow automation (9)search functionality (25)file sharing (19)integration with productivity tools (82)real-time messaging (54)

What needs improvement

notification fatigue (24)channel bloat (12)

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52 views4mo ago

•6 reviews

Slack gives you excellent real-time teamwork: fast channels/threads, solid search, and deep integrations (GitHub/Jira/PagerDuty) plus huddles for quick calls. Downsides: notification noise, fragmented decisions in threads, and higher costs if you need long message retention or multiple workspaces. Versus others: Teams wins on M365/meetings, Discord is cheaper for voice, email/docs are better for decisions. Verdict: great for day-to-day coordination. Pair it with an issue tracker and a doc hub, and enforce channel hygiene.

What's great

search functionality (25)integration with productivity tools (82)real-time messaging (54)huddles (5)threaded conversations (16)

What needs improvement

free version limitations (6)notification fatigue (24)

learning curve (11)mobile app performance (10)

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9 views10mo ago

•3 reviews

Slack is the gold standard for team communication—clean, fast, and purpose-built for getting work done without the noise. Its real-time messaging, organized channels, and powerful integrations keep everything and everyone aligned. The ability to customize notifications, automate workflows with bots, and integrate with nearly every major tool (GitHub, Jira, Google Drive, etc.) makes Slack a serious productivity multiplier. It’s not just chat—it’s a central nervous system for modern teams. If you're serious about collaboration and speed, Slack delivers exactly what you need. Nothing more, nothing less.

What's great

workflow automation (9)integration with productivity tools (82)real-time messaging (54)channel organization (53)customizable notifications (11)

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4 views10mo ago

Slack

Team communication and collaboration platform

Team communication and collaboration platform

Slack Reviews

The community submitted 906 reviews to tell us what they like about Slack, what Slack can do better, and more.

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Does Slack integrate smoothly with your key tools?

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