YCW26· AI· DevtoolsEmdash
Open-source Agentic Development Environment
ActiveChecked 18h ago
Founders
- Raban von SpiegelFounder/CEO
Same space
Competitors
Closest in what they build, same category.
BrowserOSS24The Open Source Agentic BrowserShared: agentic, open, sourceActive
stagewiseS25The Open Source Agentic IDEShared: agentic, open, sourceActive
ContinueS23Pioneering open-source coding agentShared: open, source, codingAcquired
Klavis AIX25High Quality Coding & Agentic Data for AI labsShared: agentic, codingActive
MinusXS24Open source agentic BI for foundersShared: agentic, open, sourceActive
Adjacent
Overlapping tags, a different niche.
OpenWorkX26The open source alternative to Claude CoworkShared: open, source, desktopActive
SupersetX26Building self-improving softwareShared: open, source, parallelActive
OmnaraS25The Open-Source Alternative to Claude Managed AgentsShared: open, source, agnosticActive
TracecatW24Open-source agentic security automation platformShared: agentic, open, sourceActive
OpenProseX26An open-source operating system for reliable long-running agentsShared: open, source, runningActive
Also from W26 in AI
Batchmates in Winter 2026.
/dev/fastW26/dev/fast is the AI-native code forgeActive
10x ScienceW26The AI-native platform for next-generation protein characterization.Active
21stW26UI building blocks for the agentic internetActive
AemonW26The Forward-Deployed AI Research EngineerActive
Agentic FabriqW26The control plane for AI agents.Active
Alt-XW26Building the best venue for private markets exposure.Active
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.
San Francisco, CA, USA
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.
Not affiliated with Y Combinator. From YC's public directory. Logos via logo.dev; trademarks belong to their owners.