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Opennote (YC S25)

San Francisco, CA 94107, US
https://opennote.com/
Opennote develops an interactive digital notebook and learning platform focused on personalized learning experiences. The product offers tools for note-taking, active study workflows, content organization, and interactive learning aids to help users create customized study environments tailored to their individual learning styles.

Leadership & Board

Current Number of Employees29
Current LinkedIn Followers4,292

Latest Estimated Valuation

Estimated Valuation
Estimated Valuation
Total Amount Raised$500K
Total Amount Raised$500K
Total Funding Rounds1
Total Funding Rounds1
Latest Funding Amount$500K
Latest Funding Amount$500K
Latest Funding RoundPre-Seed
Latest Funding RoundPre-Seed
Post-Money Valuation
Post-Money Valuation

Employee Trend

Opennote (YC S25) had 29 employees as of April 6, 2026. The number of employees decreased by 1 (3.33%) week-over-week.
29Latest Employee Count
1(-3.33%)Week-Over-Week Change
Employee Trend serves as a data-driven indicator of company growth and expansion. The measurement reflects how a company’s workforce size changes over time.

Social Trend

Opennote (YC S25) had 4,292 followers as of April 6, 2026. The number of followers increased by 11 (0.26%) week-over-week.
4,292Latest Followers Count
11(0.26%)Week-Over-Week Change
LinkedIn Follower Trend serves as a data-driven indicator of market interest and company visibility. The measurement reflects how a company’s LinkedIn follower count changes over time.

Funding Round

Funding Date
Funding Round
Amount Raised
Post-Money Valuation
Aug 09, 2025
Pre-Seed
$500.00K

Investors

Investor Name
Funding Round
Pre-Seed

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