Opennote
YC S25 · Acquired · The notebook that thinks with you.
Competitors
| Company | Category | Status | Program |
|---|---|---|---|
 CloverShared: productivity, notebook, thinkingAcquiredOther | Other | Acquired | YCS20 |
 WonderingShared: ai-enhanced learning, education, backgroundActiveAI | AI | Active | YCS26 |
Adjacent
| Company | Category | Status | Program |
|---|---|---|---|
 Tailor-EDShared: ai-enhanced learning, productivity, educationInactiveAI | AI | Inactive | YCW19 |
 LivedocsShared: productivity, notebookInactiveData | Data | Inactive | YCW22 |
 PlatziShared: ai-enhanced learning, education, knowledgeActiveAI | AI | Active | YC +1W15 |
 SimCareShared: ai-enhanced learning, education, feedbackActiveAI | AI | Active | YCS24 |
 NilesShared: productivity, work, knowledgeInactiveOther | Other | Inactive | YCW17 |
Also from S25 in AI
All of S25| Company | Category | Status |
|---|---|---|
 FrizzleAI Grading for TeachersActiveAI | AI | Active |
 PallyYour personal AI AssistantActiveAI, Data | AI, Data | Active |
 BlueYour phone finally has someone to run it. Plug in Blue, just ask.ActiveAI | AI | Active |
 CharThe AI notepad that knows and works for youActiveAI, Devtools | AI, Devtools | Active |
 DoeThe boring stuff, handled. Everything else, supercharged.ActiveAI, Data | AI, Data | Active |
 EpicenterChatGPT's memory feature in an open, portable formatActiveAI, Devtools | AI, Devtools | Active |
Founders
- Rishi SrihariFounder
- Abhi AryaFounder/CTO
- Vedant VyasFounder
About Opennote
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 gives feedback as you work.
- YC batch
- S25 · Summer 2025
- Status, per YC
- Acquired
- Category
- AI
- Team size
- 3
- Location
- San Francisco, CA, USA
- Founded
- 2025
- Checked
- 33m ago
YC tags: AI-Enhanced Learning, Education, SaaS, Consumer, Productivity
Opennote: questions
Which YC batch was Opennote in?
Opennote was in Y Combinator's Summer 2025 batch (S25).
Is Opennote still active?
Y Combinator lists Opennote as acquired.
Who founded Opennote?
Opennote's founders, as listed on its YC page: Rishi Srihari (Founder), Abhi Arya (Founder/CTO), Vedant Vyas (Founder).
Where is Opennote based?
Opennote 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.