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A platform for substitute teachers to leave data and insights about schools, helping other substitutes make informed decisions about where to work.

A group events organizer designed specifically for retired folks, making it easy to discover and organize social activities within their community.

A platform addressing the post-sports transition, helping athletes navigate life after competitive sports.

A text-based reminder app designed to remind parents to get off their phone and do something good for themselves. Development paused due to technical feasibility concerns.

Helps people understand when they're likely to get a street sweeping ticket in San Francisco. Great for folks who just moved to a street and for people parking for a short time after street cleaning (but aren't sure if it's safe). Uses historical ticketing data and geolocation for risk analysis.

A tool that allows you to type in your zip code and all of your local, state and federal representatives will show up. You can unclick any of them to remove them from your contact list. You can draft an email to them based on your concerns and we'll help you send it from your own email. We don't collect your data or capture the email, we just make it easy to find and email your reps. It's a small tool for all Americans.

Website to connect with alumni from your school. Alumni can post about organizations they run and support (e.g. nonprofits). Requires alumni email verification.

A community of Millennial Moms and their friends, understanding what they're going through and how to support them (gifts, how to talk, topics). Also managing boomer parents in helping raise kids and in getting old.

Tackling premenopausal health beginning right before you turn 40. Requires medical and technical knowledge, may be too risky.

Wallets for mobile-first countries to have USDC wallets and earn by lending it out globally. Market was very large and attractive (probably 500M-2B people), but KYC was complex and solution would require holding wallets on behalf of users, which was too risky.

A simple grant management platform for organizations, built as a B2B SaaS model. Designed for the missing middle — medium-sized grants that are too complex for spreadsheets but don't justify enterprise software.