Alternative data datasets

T theirstack

Which of 33k technologies each company runs, inferred from what they hire for. One row per company and technology with confidence score, number of postings mentioning it and first/last-seen dates; technologies catalog and companies file included.

R Rook Research

Reconnaissance of the third-party services and APIs running beneath websites, surfacing vendor relationships at the network layer.

S Similarweb

A catalog of software technologies detected across millions of web domains, organized by type and installation date to support technographic profiling and competitor research.