Garry Tan

Den - Multiplayer AI agent builder

Den is Slack/Notion, fully rebuilt for AI agents. It gives you one place for all your chats, docs, and agents.

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Kyler Blue

@Den saved my life. I can barely recall the world before Den

Actually, though, just try it. Try it. You'll like it

Linus Talacko

@kylerblue thanks Kyler! It's been really amazing having you and wavedash onboard! Looking forward to making it even better for you :)

Justin Lee

@kylerblue Life pre-Den, couldn't wish for anything worse. Seriously cannot WAIT for the @Wavedash launch.

Courtney May Aspegren

I really like Den and think it's so needed. It makes everything feel connected and helps fatigue from tool switching go away for GTM folks like me!

Linus Talacko

@courtney_may_aspegren thanks so much Courtney, it has been really great to have you onboard!

Justin Lee

@courtney_may_aspegren Yeah, the average knowledge worker switches to a different SaaS app once a minute. It's crazy.

Henriëtta van Niekerk

@courtney_may_aspegren The tool switching fatigue is so real, this feels like a breath of fresh air. Not being punished for having information I need to keep handy/organized for once is such a nice concept

Yonas

This is exactly what Slack would look like if they launched today. Amazing product @justin_lee27 @linus_talacko1 🔥

Linus Talacko

@justin_lee27  @yonasbe we agree! thanks so much Yonas, we have loved having you as an early user.

Justin Lee

@linus_talacko1  @yonasbe that's literally exactly what we were going for - without being too derivative of course

Sam Lamba

Can't wait for slack to end! Den's taking care of our entire ops department

Linus Talacko

@sam_lamba this is great to hear Sam! It's been great having you onboard!

Justin Lee

@sam_lamba The ENTIRE ops department?

Henriëtta van Niekerk

@sam_lamba  @justin_lee27 The ENTIRE ops department!! (apparently)

Eshani Mehta

yep feels like we hired an ops team that lives in Slack

Finn Mead

no literally, it's so frictionless. basically the most responsive ops department you could dream of, zero onboarding necessary.

Xi.Z

As a knowledge worker juggling multiple projects and information sources, Den has become my digital command center. Been testing it since launch, and it's like having a smart assistant that actually understands context. The fact that Y Combinator uses it speaks volumes about its capabilities.

The "cursor for knowledge workers" description clicked for me yesterday when I was researching a complex market analysis. Instead of jumping between dozens of tabs and documents, Den helped me navigate through information like a cursor through code - precise, contextual, and intelligent. Found insights in minutes that would have taken hours to piece together manually.

What really sets it apart is how it learns your work patterns. This morning, it anticipated the resources I needed for a strategy meeting based on my calendar event and previous similar meetings. The AI doesn't just find information - it understands how you use it and adapts accordingly.

Linus Talacko

@xi_z Thanks so much for this really lovely comment Xi! We have loved having you as an early user of Den!

Justin Lee

@xi_z Wow, seems like you really tried all the Den features. Thanks for your support Xi :)

Henriëtta van Niekerk

@xi_z No but I desperately needed this in my life. I consider myself organized, but until now that meant tons of slack channels, canvases, different places to store information. Sure it was tidy but that was so impractical for daily use, I'm so hyped that there's something that does all this now! Hard agree that YC using is is a huge win, incredibly impressive.

Daniel Terrero

this makes the canvas in slack feel so archaic

Linus Talacko

@danielterrero thanks so much Daniel! We are hoping to make our documents that most simple and most aesthetic that anyone can use.

Justin Lee

@danielterrero Archaic is definitely the right word - I've been trying to put my finger on why, do you have any ideas?

Henriëtta van Niekerk

@danielterrero No literally, that's exactly the right word?? Den just hits different lmao

Spencer Brown

As a solo founder, I am psyched about being able to hang out with all my agents in the same place where I try to manage my notifications. Excited to see where Den goes!

Justin Lee

@nworbrecneps We do it for the solo founders! When you say "manage your notifications", what do you mean?

Linus Talacko

@nworbrecneps thanks so much Spencer! Den is actually most heavily used by solo founders, so you would be in great company!

Henriëtta van Niekerk

Just from chatting with the team and diving into the features and content, I’m so hyped. Den isn’t just a new platform, it feels like a whole new way to work. You can feel the care that went into it, and it actually seems so fun to use. Now I just need to convince my team and uni courses lol. Game changer fr.

Linus Talacko

@henrietta_vanniekerk let us know how we can help you convince them! Can't wait for you to test the new features we have dropping in a few weeks 👀

Henriëtta van Niekerk

@linus_talacko1 Help me explain it to my dad/mentor who turns 50 soon? 😭
I'm sure I'll eventually figure out some way to show it though lol

Justin Lee

@henrietta_vanniekerk let me try:

Think of Den as your dad’s very own personal assistant that never clocks out—like Slack, Notion, and a team of interns all rolled into one (minus the coffee runs). He’ll wonder how he ever survived half a century without it!

Justin Lee

@henrietta_vanniekerk 

> Den isn’t just a new platform, it feels like a whole new way to work.

Um, can we quote this please

Henriëtta van Niekerk

@justin_lee27 Do I get to be cited lmaooo? But yeah sure if you guys wanted to idm at all

Marco Dewey

I love that you want to bring AI to as many people on earth as possible with the goal of helping them instead of replacing them.

Linus Talacko

@marco_dewey thanks Marco! We think that augmenting the work that humans are doing, rather than replacing it is the best way for AI agents to collaborate with humans.

Justin Lee

@marco_dewey an ambitious but worthy goal. Thanks Marco :)

Alessandro Puppo

This product is great - congrats guys. once you guys add also computer-use in the mix, it will become a must-have for every company/employee!

Justin Lee

@pupposandro Could we chat about this? The final unlock for so many of the agents is computer-use, and we'd love to use Cua :)

Linus Talacko

@pupposandro thanks so much Alessandro! We can't wait to incorporate some sort of computer-use into Den, and would be really keen to make Cua our default solution ;)