Startup Videos
The launch videos, explainers, founder stories, pitches, ads, and keynotes founders study before making their own. Browse by what a video is for, then narrow to your industry. Tap any video to play it right here.
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Frizzle (YC S25) - YC Launch
AI grading platform built by former teachers, cutting hours of classroom grading down to minutes.
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Introducing Grade
A quick YC demo that grades a real stack of student work on screen, so the hours saved are shown, not narrated.
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Launch YC: Dollyglot (YC W25)
AI language learning through natural voice conversations, so beginners practice speaking instead of drilling flashcards.
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Miyagi Labs (YC W25) Launch Demo
Turns a creator's videos into an interactive AI tutor that answers learner questions in the creator's own voice.
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Oboe launch
A full course generated on the fly from one prompt shows learning built for you, not pulled off a shelf.
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Parrot YC F25 | Launch Video
TikTok style language learning built on native video clips and interactive subtitles.
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Joon kids habit game launch | Joon
Founder intro showing kids complete real chores as RPG quests while parents assign the tasks from a companion app.
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Questions, answered
What startup videos should founders watch?
Founders on the eChai network recommend videos across launches, explainers, founder stories, pitches, ads, and keynotes. The library ranks them by how many founders recommend each.
Where can I find great startup launch and explainer videos?
The eChai /videos library is a curated, founder-recommended shelf of the best startup videos, browseable by purpose, industry, and region.
