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Endstack (YC F24) — The complete, collaborative workspace for humans and agents

Endstack is a full desktop, collaborative workspace built for humans and agents running in the cloud available on web, desktop, and mobile. Each workspace powered by endOS, giving you a familiar channel-based experience augmented by a real desktop environment.

Endstack is a Y Combinator company in the Fall 2024 batch. Its directory entry describes it as: The complete, collaborative workspace for humans and agents. The founders listed are Sam Park (Founder/CEO), Josh Park (Founder/CTO) (Y Combinator directory entry, November 17, 2024).

6 more companies from YC Fall 2024 ↓

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Endstack

New accelerator entry · 2024-11-17 · the record

Fall 2024
batch
2
people
Early
stage
United States of America
region
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What the record says

BatchFall 2024
Announced2024-11-17
StageEarly
StatusActive
Team size2
IndustryB2B
Sub-industryB2B
SectorsDeveloper Tools, Generative AI, AI, AI Assistant
RegionsUnited States of America, America / Canada
BasedLos Angeles, CA, USA
HiringNo
Sitehttps://www.endstack.com
Founded2024
YC group partnerDavid Lieb
Previously known asLune AI, Lune, Cosmic

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More on Endstack and the records around it.

Also in YC Fall 2024

Same batch, B2B first.

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In their words

Endstack is a full desktop, collaborative workspace built for humans and agents running in the cloud available on web, desktop, and mobile. Each workspace powered by endOS, giving you a familiar channel-based experience augmented by a real desktop environment. The desktop is backed by Linux and ships with a built-in Chrome browser. Files, notes, browser tabs, native apps, terminal, and all your agents in a single beautiful, unified interface. At the center of it all you get a powerful agent running 24/7 that you can also reach via Slack, email, or SMS.

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Example from a real report (our sample on Target): “Target eliminated approximately 1,800 corporate positions, with around 1,000 employees receiving layoff notices and the remainder accounted for by eliminating open roles.” Source: NBC News

A Full Report on Endstack: verified, sourced, every claim cited, ready in a few minutes. See pricing.

What the Full Report on Endstack covers

  1. The Short Answer

  2. Which Company This Is

  3. What They Do, And How The Money Works

  4. Who Runs It, And How To Reach Them

  5. The Money: Funding, Valuation, Runway

  6. Who Pays Them, And Who They Are Up Against

  7. Warning Bells

  8. Sources

    1 cited source found

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Sourced from the company's Y Combinator directory entry.

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Endstack: Accepted into Y Combinator Fall 2024
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Permanent URL: https://mentionfox.com/funding/yc-endstack
Last updated 2026-10-29
Primary record: Y Combinator directory entry
Endstack (YC F24) — The complete, collaborative workspace for humans and agents. MentionFox, 2026-10-29. https://mentionfox.com/funding/yc-endstack