B2B Data

Stealth-mode companies don't appear in static B2B databases by definition. The only way to find them is open-web search across the four places they leak: certificate transparency logs, LinkedIn bio changes, indexed-but-unlinked Notion or Linear pages, and SEC Form D filings.

Almost nobody writes about GitHub as a B2B lead source. The good signals sit below the surface: the dependents graph, manifest mining, Sigstore release attestations, and committer-email-domain mapping. Every GitHub-derived lead needs a corroborating non-GitHub signal before it ships.

Y Combinator's W26 batch closed demo day in March with 196 newly funded companies. The cohort is real; the buying behavior is mostly not. Here is the workflow that actually finds qualified buyers in the YC directory - batch and status filters, enrichment layer, and a stage filter.

A company that just ripped out Salesforce after 15 years is the warmest account in your pipeline for the next three months. Here's how to find the rip-out without paying $495/month for BuiltWith - using CSP headers, job-ad diffs, vendor case studies, and GitHub commits.