YC active company list audit
Opennote
Opennote: The notebook that thinks with you. Headquartered in San Francisco, CA, United States. Current operating status: acquired.
Oomira checked this YC company record against source evidence and keeps the current facts, observed dates, and provenance visible before the interactive app loads.
17 facts4 sources1 superseded claims
What changed in the audit
Operating statusactive -> acquired
2026-06-12 · YC directory status field = Active
- Summary
- The notebook that thinks with you.
2026-06-12 · 1 source- Description
- Opennote is a notebook with an AI thinking partner built in. Feynman lives in your work: it edits your writing, references your knowledge and the web, runs background tasks, and g...
2026-06-12 · 1 source- Website
- https://opennote.com
2026-06-12 · 2 sources- Hiring
- no
2026-06-13 · 1 source- Headquarters
- San Francisco, CA, United States
2026-06-13 · 1 source- Operating status
- acquired
2026-05-07 · 1 source- Acquired by
- c6b121a8-bb57-41fa-a582-1b8e8a004a76
2026-06-13 · 1 source