peer-learning
(3)
The Business Where the Product Is a Room Full of People Who Cannot Talk Elsewhere
World 50 built a business around a C-suite paradox: the higher an executive rises, the fewer people they can speak to freely. Its answer is a paid, invitation-only network where candor - carefully curated and kept off the record - is the product.
MySivi
MySivi is a Bengaluru-based, AI-powered English-speaking practice app (Y Combinator W22) that helps Indian and global learners build spoken fluency through conversation with an AI teacher named Arya, real-time feedback on grammar and pronunciation, gamified lessons, and a peer-learning community. Originally launched as Speakify AI, it operates on a freemium model and has grown to millions of Android downloads.
Knack
Knack is a student success technology company that helps colleges and universities run and scale peer-tutoring programs. Its platform recruits, trains, and pays high-achieving students to tutor their classmates through web and mobile apps and a real-time online classroom, giving institutions a measurable way to improve retention and graduation while creating paid campus jobs. Founded in 2015 and now serving hundreds of campuses including the University of Florida, Georgia Tech, Northeastern, Fordham, and Auburn, Knack raised a Series B in October 2025 and appointed higher-ed veteran Megan Dusenbery as CEO.