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Startups14,448Programs29

14,448 startups · 29 programs

Emdash

Active · One app for all your coding agents

WebsiteYC profile

Why it ranks

How the rank works
8signal of 100 · rising 8
  • went through YCProgram · this site+4
  • team of 4Team size · YC's directory+3.6

A sum of public facts, not a judgement and not investment advice.

Competitors

AIWarpShared: agentic development, development environment, multipleNeoStartup →AIZenbuShared: agentic developmentYC X26San FranciscoStartup →Developer toolsOktetoShared: development environmentYC W19San FranciscoStartup →AIPrizedShared: development environmentYC S26San FranciscoStartup →Developer toolsReplitShared: development environmentYC W18San FranciscoStartup →
Companies closest to Emdash
Company
WarpShared: agentic development, development environment, multipleNeo Not statedAI
ZenbuShared: agentic developmentYC X26ActiveAI, Devtools
OktetoShared: development environmentYC W19ActiveDevtools
PrizedShared: development environmentYC S26ActiveAI, Devtools
ReplitShared: development environmentYC W18 +2ActiveDevtools

Adjacent

OtherCraftingShared: development environment, running, application500 Global 2022United StatesStartup →Developer toolsAcquired280 NorthShared: development environment, desktop, openYC W08San FranciscoStartup →AIBitrigShared: development environmentYC S25San FranciscoStartup →AIAcquiredContinueShared: coding agent, open, sourceYC S23San FranciscoStartup →OtherMelodicsShared: desktop application, develop500 Global GA 18New ZealandStartup →
Companies next to Emdash
Company
CraftingShared: development environment, running, application500 Global 2022 +1Not statedOther
280 NorthShared: development environment, desktop, openYC W08AcquiredDevtools
BitrigShared: development environmentYC S25ActiveAI
ContinueShared: coding agent, open, sourceYC S23AcquiredAI, Devtools
MelodicsShared: desktop application, develop500 Global GA 18Not statedOther

Also from W26 in AI

All of W26
AI/dev/fast/dev/fast is the AI-native code forgeYC W26San FranciscoStartup →AI10x ScienceThe AI-native platform for next-generation protein characterization.YC W26San FranciscoStartup →AI21stUI building blocks for the agentic internetYC W26San FranciscoStartup →AIAemonThe Forward-Deployed AI Research EngineerYC W26San FranciscoStartup →AIAgentic FabriqThe control plane for AI agents.YC W26San FranciscoStartup →AIAlt-XBuilding the best venue for private markets exposure.YC W26Los AngelesStartup →
Company
/dev/fast/dev/fast is the AI-native code forgeteam of 4ActiveAI, Devtools
10x ScienceThe AI-native platform for next-generation protein characterization.team of 5hiringActiveAI
21stUI building blocks for the agentic internetteam of 3ActiveAI, Devtools
AemonThe Forward-Deployed AI Research Engineerteam of 3hiringActiveAI, Devtools
Agentic FabriqThe control plane for AI agents.team of 2ActiveAI
Alt-XBuilding the best venue for private markets exposure.team of 2ActiveAI, Data

Founders

  • Raban von SpiegelFounder/CEO

About Emdash

Emdash brings Claude Code, Codex and other coding agents into one app. Run agents in parallel on your own infrastructure, Emdash Cloud or locally. Start tasks from Slack, Linear or GitHub, and let agents keep working after you close your laptop. Access sessions from web, desktop or mobile. Share environments, skills, MCP servers and secrets across your team, with centralized access and spend controls. Bring your existing AI subscriptions and cloud commitments. No lock-in.

YC batch
W26 · Winter 2026
Status, per YC
Active
Category
AI
Team size
4
Location
San Francisco, CA, USA
Founded
2025
Checked
6h ago

Changes seen

Team sizeNov 9, 2026

Team went from 2 to 4 people.

Source ↗
One-linerNov 9, 2026

Rewrote its one-liner; it read "Agentic Development Environment"

Source ↗
One-linerOct 19, 2026

Rewrote its one-liner; it read "Open-source Agentic Development Environment"

Source ↗

Emdash in W26: 199 companies, 81% AI

LinkedIn

Emdash: questions

Which YC batch was Emdash in?

Emdash was in Y Combinator's Winter 2026 batch (W26).

Is Emdash still active?

Y Combinator lists Emdash as active.

Who founded Emdash?

Emdash's founders, as listed on its YC page: Raban von Spiegel (Founder/CEO).

Where is Emdash based?

Emdash lists San Francisco, CA, USA as its location on YC's directory.