Zenbu
YC X26 · Active · The extensible IDE for coding agents
Competitors
| Company | Category | Status | Program |
|---|---|---|---|
 stagewiseShared: orchestrating coding, coding agent, open sourceActiveAI, Devtools | AI, Devtools | Active | YCS25 |
 OpenCodeShared: coding agent, open sourceActiveAI, Devtools | AI, Devtools | Active | YCW21 |
 CapyShared: coding agent, ideActiveAI, Devtools | AI, Devtools | Active | YCF24 |
 ContinueShared: coding agentAcquiredAI, Devtools | AI, Devtools | Acquired | YCS23 |
 Random LabsShared: coding agent, open source, workActiveAI, Devtools | AI, Devtools | Active | YCS24 |
 RWXnot in a program hereShared: coding agentElsewhereOther | Other | Elsewhere |
Adjacent
| Company | Category | Status | Program |
|---|---|---|---|
 Scott AIShared: coding agentActiveAI, Devtools | AI, Devtools | Active | YCF25 |
 RelaceShared: coding agentActiveAI, Devtools | AI, Devtools | Active | YCW23 |
 JcodeShared: coding agentActiveAI, Devtools | AI, Devtools | Active | YCS26 |
 SpecificShared: coding agentActiveAI, Devtools | AI, Devtools | Active | YCF25 |
 MethodShared: coding agent, workActiveAI, Devtools | AI, Devtools | Active | YCX25 |
Also from X26 in AI
All of X26| Company | Category | Status |
|---|---|---|
 SuperlogMake software self-healingActiveAI, Devtools | AI, Devtools | Active |
 InthMonitor and fix product privacy issues before they block growthActiveAI, Devtools | AI, Devtools | Active |
 Keyframe LabsBring AI to life with the world's best interactive avatarsActiveAI, Devtools | AI, Devtools | Active |
 LinzumiTeam chat to command all your company's coding agentsActiveAI, Devtools | AI, Devtools | Active |
 Reason MachinesReason Machines builds Reason Agent, the autonomous software engineer…ActiveAI, Devtools | AI, Devtools | Active |
 ReplicasRun any coding agent harness in the cloudActiveAI, Devtools | AI, Devtools | Active |
Founders
- Rob PruzanFounder/CEO
About Zenbu
Zenbu is an extensible IDE for orchestrating coding agents. Shape it around exactly how you and your team work.
- YC batch
- X26 · Spring 2026
- Status, per YC
- Active
- Category
- AI, Developer tools
- Team size
- 1
- Location
- San Francisco, CA, USA; Remote
- Founded
- 2026
- Checked
- 32m ago
YC tags: Artificial Intelligence, Developer Tools, Open Source
Zenbu: questions
Which YC batch was Zenbu in?
Zenbu was in Y Combinator's Spring 2026 batch (X26).
Is Zenbu still active?
Y Combinator lists Zenbu as active.
Who founded Zenbu?
Zenbu's founders, as listed on its YC page: Rob Pruzan (Founder/CEO).
Where is Zenbu based?
Zenbu lists San Francisco, CA, USA; Remote 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.