Open data
The founder graph, as data
Every list on founders.io is downloadable. Take the whole graph as CSV or JSON and build on it — it’s free under a CC BY 4.0 license. Just credit “founders.io”.
companies.csv
37,027 companies — name, sector, HQ, founding year, status, links.
founders.csv
61,800 founders — with company counts and profile links.
mafias.csv
168 lineages — root company and founders spun out.
edges.csv
Every relationship — who founded and who worked at what.
graph.json
The complete node/link graph (64,875 connections) in a format ready for D3, Gephi, or NetworkX.