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Den

Den

Cursor for knowledge workers

4.9
•40 reviews•

1.6K followers

Cursor for knowledge workers

4.9
•40 reviews•

1.6K followers

Visit website
Note and writing apps
•
Team collaboration software
Den is a better Slack+Notion built for AI agents. Used internally by Y Combinator. The final SaaS.
  • Overview
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Company Info
getden.io
Den Info
Y Combinator
Launched in 2025View 1 launch
Forum
p/den
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Den gallery image
Den gallery image
Den gallery image
Den gallery image
Free
Launch tags:
Productivity•Artificial Intelligence•Tech
Launch Team / Built With
Garry TanJustin LeeLinus Talacko
Probo
cubic
Screen Studio

What do you think? …

Justin Lee
Justin Lee
Den

Den

Maker
📌

At our previous company, engineers shipped code during their lunch break on Cursor, while the rest of the team literally burnt out from grinding pointless manual work.

That didn’t sit right with us.

We built Den because everyone deserves 10x leverage on their time.

Den is a beautiful union of Slack/Notion that brings your agents, teammates, and tools together in one place, and makes it dead simple to create AI agents.

Our dream is to deliver billions of agents into the workforce and unlock the most productive/abundant era in human history.

Watch the official launch video here.

—Linus & Justin

Report
3mo ago
Esther Frimpong
Esther Frimpong
@justin_lee27This is incredible, I must say, all the best.
Report
3mo ago
Justin Lee
Justin Lee
Den

Den

Maker

@justin_lee27This  @esther_frimpong1 Means a lot :)

Report
3mo ago
Linus Talacko
Linus Talacko
Den

Den

Maker

@justin_lee27This  @esther_frimpong1 thank you so much Esther!

Report
3mo ago
palak
palak

@justin_lee27 This such cool work, best of luck!

Report
3mo ago
Justin Lee
Justin Lee
Den

Den

Maker

@palak12 Some of our best work.

Report
3mo ago
Linus Talacko
Linus Talacko
Den

Den

Maker

@justin_lee27  @palak12 thank you so much!

Report
3mo ago
Neel Patel 🦕
Neel Patel 🦕
💎 Pixel perfection

I've heard someone on X using this. Ya'll legit doing something that every company desire. We aren't supposed to work like humans have worked for previous decade. Good luck @justin_lee27 @linus_talacko1

Report
3mo ago
Linus Talacko
Linus Talacko
Den

Den

Maker

@justin_lee27  @neelptl2602 thanks so much Neel! We couldn't agree more :)

Report
3mo ago
Justin Lee
Justin Lee
Den

Den

Maker

@linus_talacko1  @neelptl2602 The final SaaS. That is literally the plan. Thanks Neel :)

Report
3mo ago
Henriëtta van Niekerk
Henriëtta van Niekerk

@linus_talacko1  @neelptl2602  @justin_lee27 Wait the final SaaS is such a power name, please continue to use that it's so good!

Report
3mo ago
Neel Patel 🦕
Neel Patel 🦕
@justin_lee27 love it
Report
3mo ago
Yong Woo Shin
Yong Woo Shin
Prit

Prit

There is canvas in slack, but it doesn't really make me feel like the chats and the docs are connected.

But Den makes them synchronized, so that the workers feel like they're sharing their brains!

Congratulations :)

Report
3mo ago
Linus Talacko
Linus Talacko
Den

Den

Maker

@pritraveler thanks so much Yong Woo Shin!!

Report
3mo ago
Justin Lee
Justin Lee
Den

Den

Maker

@pritraveler Exactly. I'm glad you can see our vision! Thank you so much Yong.

Report
3mo ago
Henriëtta van Niekerk
Henriëtta van Niekerk

@pritraveler I wholeheartedly agree there, the slack canvas system feels kind of questionable and jarring at best, it's meant to be efficient but.. isn't? Like at all? I'm so excited that Den just makes everything nice to use again, it's such a neat idea that they've come up with

Report
3mo ago
Paul Lee
Paul Lee

@pritraveler  @henrietta_vanniekerk #Truth

Report
3mo ago
AutoForm
AutoForm — Automate the busywork from your files and your tools.
Automate the busywork from your files and your tools.
Promoted

Do you use Den?

Forum Threads

Denp/denRajiv Ayyangar
Rajiv Ayyangar
•

2mo ago

Anyone else trying Den to replace Slack + Notion? Curious how others are using it

Since seeing Den's #1-of-the-week launch, I've been playing around with it. I'm not quite at the conviction yet to rip out Slack and Notion. That would take a lot, especially given how much history and data we have, as well as workflow practices around it. But I'm finding it really intriguing so far. Here are my initial thoughts:

1) The merging of Slack channels and Notion spaces feels very natural.

View all
Ambassador
Ambassador
4.9
Based on 40 reviews
Review Den?

Den is highly praised for its seamless integration of AI with productivity tools, offering a superior alternative to Slack and Notion. Users appreciate its intuitive interface and extensive integrations, making it ideal for both personal and team collaboration. The makers of Zero highlight its role in implementing AI, while Wavedash and Approval AI commend its efficiency in collaboration and task automation. Overall, Den is celebrated for enhancing productivity and simplifying workflows.

Yi ZhongNizzyLennert Jansen
+38
Summarized with AI
Pros
Cons
Reviews
All Reviews
Helpful
Ajay Sahoo
Ajay Sahoo
Launching soon!
•348 reviews
I am able to find what i have missed so far related to patterns and connections identification with improved analysis on work
Report
3mo ago
Linus Talacko
Linus Talacko
Den

Den

thanks for the review Ajay! Looking forward to seeing your launch!

Report
3mo ago
Justin Lee
Justin Lee
Den

Den

that's the goal! thank you :)

Report
3mo ago
Finn Mead
Finn Mead
•1 review
Feeling the AGI with this one. Den is like unlocking an entire second workforce.
Report
3mo ago
Justin Lee
Justin Lee
Den

Den

The AGI is near.

Report
3mo ago
Paul Lee
Paul Lee
•1 review
Easy to use. Simple to integrate with other tools. Agentic AI makes it insane. Great product.
Report
3mo ago
Justin Lee
Justin Lee
Den

Den

thank you!

Report
3mo ago
Pros
AI agents (10)
integrations (5)
collaboration features (3)
user interface (2)