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Sites using Auth.js

177 sites via StackScope Wider Web Category: Auth #3 of 30 in Auth First seen: Jul 8, 2026 Last seen: Jul 15, 2026 Website: authjs.dev

Auth.js (formerly NextAuth.js v4, rebranded as Auth.js v5): open source authentication library for Next.js / SvelteKit / SolidStart / Express.

Found via: Product Hunt 1,414 · Hacker News 61 · PeerPush 223 · Other 5 · StackScope Discovery (Indie) 342 · StackScope Wider Web 177

View: Launch platforms All sources StackScope Discovery StackScope Wider Web

Figures on this page reflect sites found via StackScope Wider Web only. The "Found via" counts above always show every source. Reset

Last 7 days 0.2% -0.1pp
Most used with Next.js, React, Tailwind CSS
Top product types E-commerce, Marketing, Developer Tools

Auth.js has been detected on 177 launches we've crawled, with 177 of those in July 2026 (0.3% of the month's launches so far). The 7-day rolling share is 0.2%, roughly steady week on week. Most recent detection was 3 days ago.

It's most commonly paired with Next.js, React, and Tailwind CSS. By product type, the launches using it are most often E-commerce (13%), Marketing (12%), and Developer Tools (11%). By estimated origin, India leads (43%), ahead of Canada (23%).

What kind of products ship with Auth.js

99 launches

E-commerce
13.13%
Marketing
12.12%
Developer Tools
11.11%
Games
11.11%
Education
9.09%
Finance
7.07%
Health
6.06%
Productivity
6.06%
Social
6.06%
AI
5.05%
Content
5.05%
Crypto
4.04%
Directory
2.02%
Design
1.01%
Hiring & HR
1.01%

Countries that use Auth.js

Estimated origin for 30 of 177 sites

  • India India 43.33%
  • Canada Canada 23.33%
  • Brazil Brazil 6.67%
  • France France 6.67%
  • United Kingdom United Kingdom 6.67%
  • South Korea South Korea 3.33%
  • New Zealand New Zealand 3.33%
  • United States United States 3.33%
  • Vietnam Vietnam 3.33%

Share of new launches using Auth.js

Each dot is one launch day. Line is the 7-day rolling average.

0.2%
last 7 days
-0.1pp vs prior week
0.3%
July so far
177 of 57,647 sites
177
sites all time
since Jul 2026
Auth.js daily detection trend 5% 2% 0% Jul 7 · 0 / 168 = 0.0% Jul 8 · 40 / 8542 = 0.5% Jul 9 · 63 / 16784 = 0.4% Jul 10 · 31 / 13253 = 0.2% Jul 11 · 16 / 6414 = 0.2% Jul 12 · 8 / 4963 = 0.2% Jul 13 · 8 / 3769 = 0.2% Jul 14 · 10 / 3426 = 0.3% Jul 15 · 1 / 259 = 0.4% Jul 16 · 0 / 51 = 0.0% Jul 17 · 0 / 18 = 0.0% (low-volume day)
Jul 7, 2026 11 days · 1 low-volume (grey) Jul 17, 2026

How StackScope detects technologies

Auth leaders

Tool % of launches % of category
#1 Google Sign-In 0.65% 42.55%
#2 Clerk 0.40% 26.30%
#3 Auth.js Current page 0.31% 19.98%
#4 Privy 0.06% 4.18%
#5 Apple Sign In 0.03% 2.03%

Percentages show adoption among launches found via StackScope Wider Web: the share of all such launches, and of those using any Auth tool. All 30 in Auth →

Often used with

Tool Launches
Next.js 155
React 145
Tailwind CSS 135
HSTS 115
Lucide Icons 90

Tools most often detected on the same launches as Auth.js.

177 sites across the wider web use Auth.js

StackScope Wider Web counts newly launched sites that are not indie product launches. They shape the aggregate figures on this page but are never listed individually. How StackScope Discovery works · Back to launches

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