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Foundertrace

chain of YC startups founded by its employees

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Inspired by PG’s tweet about a chain of 4 YC startups where the founder worked at a YC startup, I vibe coded and generated these genealogy chains for all ~6k YC startups. And to make these trees easily accessible I packaged them into a hosted webapp.Few noteworthy YC startups which have had huge impact in YC ecosystemAirbnb - 83 YC startups spawnedStripe - 67 YC startups spawnedDropbox - 50 YC startups spawnedJustin.tv/Twitch - 47 YC startups spawnedMore recently founded YC startups which have spawned a lot more YC startupsRappi - 21 YC startups spawnedBrex - 20 YC startups spawnedScale AI - 19 YC startups spawned

HN · launched Jan 3, 2026 · 39 upvotes (top 24%) · 0 views

Niche: startup directories and launch platforms · 246 launches, 17 in the last 7 days ▼ -45% · Explore this niche →

Category and tags

  • Horizontal
  • Marketplace
  • B2B
  • Not AI
  • Commercial product

Visit website ↗ Source listing ↗

Could you build this?

Yes It is a straightforward directory and tree visualization web app powered by a pre-scraped and analyzed dataset of YC companies.

Discussion

14 comments analyzed.

Concerns raised: Batch years data accuracy issues, Data sourcing and licensing transparency, Limited query/filter functionality for large graphs

Feature requests: Raw data access for external analysis with pyvis/networkx, Full graph visualization with company-company links and timestamps, Graph database backend with query UI for better manageability

Competitors

Other products that read as similar to this one : 98 launches clear the similarity bar, closest 8 shown.

Attention rank: #31 of 99 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 30 days after the earliest competitor.

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.