Emdash
YC W26 · Active · Open-source Agentic Development Environment
Competitors
| Company | Category | Status | Program |
|---|---|---|---|
 BrowserOSShared: source agentic, open sourceActiveAI | AI | Active | YCS24 |
 stagewiseShared: source agentic, open source, coding agentActiveAI, Devtools | AI, Devtools | Active | YCS25 |
 ContinueShared: open source, coding agentAcquiredAI, Devtools | AI, Devtools | Acquired | YCS23 |
 MinusXShared: source agentic, open sourceActiveAI, Data | AI, Data | Active | YCS24 |
 TracecatShared: source agentic, open sourceActiveAI, Devtools | AI, Devtools | Active | YCW24 |
 Together AInot in a program hereShared: open sourceElsewhereOther | Other | Elsewhere |
Adjacent
| Company | Category | Status | Program |
|---|---|---|---|
 OpenCodeShared: open source, coding agentActiveAI, Devtools | AI, Devtools | Active | YCW21 |
 BinpressShared: open source, providerNot statedDevtools | Devtools | Not stated | 500 GlobalGA 6 |
 VocodeShared: open sourceAcquiredAI, Devtools | AI, Devtools | Acquired | YCW23 |
 Agenta.aiShared: open sourceNot statedAI | AI | Not stated | Antler2023 |
 HydraShared: open sourceNot statedOther | Other | Not stated | Antler2024 |
Also from W26 in AI
All of W26| Company | Category | Status |
|---|---|---|
 /dev/fast/dev/fast is the AI-native code forgeActiveAI, Devtools | AI, Devtools | Active |
 10x ScienceThe AI-native platform for next-generation protein characterization.ActiveAI | AI | Active |
 21stUI building blocks for the agentic internetActiveAI, Devtools | AI, Devtools | Active |
 AemonThe Forward-Deployed AI Research EngineerActiveAI, Devtools | AI, Devtools | Active |
 Agentic FabriqThe control plane for AI agents.ActiveAI | AI | Active |
 Alt-XBuilding the best venue for private markets exposure.ActiveAI, Data | AI, Data | Active |
Founders
- Raban von SpiegelFounder/CEO
About Emdash
Agent-first development environment. Emdash enables engineering teams to develop software faster, by running multiple coding agents in parallel. We're an open-source and provider-agnostic desktop application.
- YC batch
- W26 · Winter 2026
- Status, per YC
- Active
- Category
- AI, Developer tools
- Team size
- 2
- Location
- San Francisco, CA, USA
- Founded
- 2025
- Checked
- 1h ago
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.
Sources: each program's public company list, read twice a week. Not affiliated with Y Combinator or any other program. Logos via logo.dev; trademarks belong to their owners.