Head-to-head

Clerk vs Lucia: GitHub, npm & hiring signals

A live, signal-by-signal comparison of Clerk and Lucia — GitHub stars, npm downloads, and how many of the 27 public signal sources Sigmon can track for each. Numbers below are detected right now.

Clerk

clerk

Top-repo stars
1.8k
npm/wk
1.8M
Trackable sources
27/27
Domain
clerk.com

Clerk is a complete suite of embeddable UIs, flexible APIs, and admin dashboards to authenticate and manage your users.

Full Clerk signal breakdown

Lucia

lucia-auth

Top-repo stars
10.4k
npm/wk
Trackable sources
20/27
Domain
lucia-auth.com

Authentication, simple and clean

Full Lucia signal breakdown

Don't just compare — monitor both

Stars and downloads are lagging indicators. Sigmon tracks Clerk and Lucia across leading signals — SEC Form D funding filings, senior-role hiring surges, README positioning pivots, release velocity, certificate-transparency staging spikes — and ships one weekly strategic brief on what each is about to do, before it hits Hacker News.

Track Clerk and Lucia — free, in 60 seconds

Add both as competitors and get a weekly brief on what each ships, hires, and raises. No scraping, no credit card.

More comparisons

Frequently asked questions

Is Clerk or Lucia more popular?
By GitHub stars, Lucia currently leads Clerk (10.4k vs 1.8k). Stars are only one signal — Sigmon also tracks npm downloads, release velocity and hiring so you can judge momentum, not just size.
How do Clerk and Lucia compare?
This page puts Clerk and Lucia side by side on the signals that predict momentum: GitHub stars and release cadence, npm download trend, hiring activity and pricing changes — refreshed weekly.
Can I track both Clerk and Lucia?
Yes. Add both to Sigmon free and get a single weekly brief covering every move either one makes — releases, pricing changes, funding and hiring.