Ranking · Fall 2026 · B2B · Marketing

OpenSEO

Open source alternative to Semrush and Ahrefs

10%

odds of being acquired in the next two years

1.5× the average (6.8%)

#384 of 4,339 active YC companies · top 10%

Team of 2 · Boston, MA, USA

Raises the odds

↑ tag: Open Source

↑ industry: B2B

↑ sector: Marketing

↑ based in United States of America

Lowers the odds

↓ under 1.5 years since YC

↓ team of 1–2

↓ new to the directory in the last six months

From the model: how this company's profile compares with companies that were and weren't acquired since 2024. How it works.

Signals brief

ExitOdds reads OpenSEO's website and YC profile; Contextrie keeps the passages that bear on an acquisition, and every signal quotes its source.

3 free briefs left today

openseo.so YC profile

Statistical estimate from public directory data as of 2026-10-07; it can't see revenue, funding or talks. Not investment advice. ExitOdds is independent and not affiliated with Y Combinator.

Built with open source on GitHub