I wrote a 104-page book on the GitHub signals that predict Series A rounds — free download

Three weeks ago I started turning the methodology behind GitDealFlow into a proper trade book. It shipped today. 104 pages, free PDF and EPUB, also fully readable on the open web. Here is what is in it and why I wrote it. The premise in one paragraph Public GitHub data — commit logs, contributor graphs, dependency trees, infrastructure repos — fires three to six weeks before a typical Series A announcement. The signals are computable from a single free REST endpoint, by anyone, on a $0 budget. T