DevTools · company signal
Harmonic @harmonic_ai
The startup discovery platform. We're hiring across all roles. by @nea, @sparkcapital, @notionHQ + many more.
frontrun watches the follow graphs of 2,000+ venture investors on X. Harmonic was first flagged on 2026-03-10 - the moment tracked investors began converging on it. 7 of them follow today. that count is public; which investors they are, when each followed, and the daily change is what the product shows.
see who's behind the 7 follows on Harmonic, plus every company they follow next. start a 7-day free trial →
more devtools companies on the signal
MongoDB (6 tracked) · Flutchfun (7 tracked) · na ve (7 tracked) · humanlayer (7 tracked) · Zoah (formerly Opacity) (7 tracked)
data updated 2026-09-14 · trending devtools startups · trending this week · startups by sector