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Sites using Auth.js

1,702 launches via launch platforms Category: Auth #2 of 38 in Auth Tracked since Apr 2026 Last seen: Jul 18, 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 1,412 · Hacker News 61 · PeerPush 223 · Other 5 · StackScope Discovery (Indie) 332 · StackScope Wider Web 172

View: Launch platforms All sources StackScope Discovery StackScope Wider Web
Last 7 days 2.1% -0.4pp
Most used with React, Next.js, Tailwind CSS
Top product types Marketing, AI, Productivity
Green hosting 37% vs 44% avg

Auth.js has been detected on 1,702 launches we've crawled, with 239 of those in July 2026 (2.2% of the month's launches so far). The 7-day rolling share is 2.1%, roughly steady week on week. Most recent detection: AppScreenshot Creator, today.

It's most commonly paired with React, Next.js, and Tailwind CSS. By product type, the launches using it are most often Marketing (16%), AI (16%), and Productivity (14%). By estimated origin, the United States (24%) and India (20%) lead close together. By domain ending, launches using it are 2.4 times as likely as the average launch to live on a .pro domain. The 1,700 scored launches using Auth.js average a StackScope score of 7.3 out of 10, against 6.3 across all launches we score.

What kind of products ship with Auth.js

1,298 launches

Marketing
15.87%
AI
15.79%
Productivity
13.64%
Developer Tools
10.86%
Finance
7.94%
Hiring & HR
5.86%
Content
5.78%
Education
5.70%
Design
3.85%
Directory
3.31%
Health
3.24%
Social
3.16%
Crypto
1.85%
Games
1.77%
E-commerce
1.39%

Countries that use Auth.js

Estimated origin for 671 of 1,702 launches

  • United States United States 24.29%
  • India India 19.82%
  • United Kingdom United Kingdom 7.60%
  • France France 4.17%
  • Canada Canada 3.13%
  • China China 3.13%
  • Spain Spain 2.98%
  • Netherlands Netherlands 2.83%
  • South Korea South Korea 2.53%
  • Germany Germany 2.38%
  • Poland Poland 1.94%
  • Brazil Brazil 1.64%
  • Australia Australia 1.34%
  • Italy Italy 1.34%
  • Türkiye Türkiye 1.34%

Share of new launches using Auth.js

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

2.1%
last 7 days
-0.4pp vs prior week
2.2%
July so far
239 of 10,662 launches
1,702
launches all time
since Apr 2026
Auth.js daily detection trend 7% 4% 0% May Jun Jul Apr 22, 2026: Improved detection coverage for this technology. Apr 19 · 13 / 392 = 3.3% Apr 20 · 13 / 620 = 2.1% Apr 21 · 33 / 835 = 4.0% Apr 22 · 17 / 721 = 2.4% Apr 23 · 15 / 603 = 2.5% Apr 24 · 11 / 553 = 2.0% Apr 25 · 7 / 420 = 1.7% Apr 26 · 9 / 377 = 2.4% Apr 27 · 18 / 529 = 3.4% Apr 28 · 18 / 836 = 2.2% Apr 29 · 19 / 658 = 2.9% Apr 30 · 18 / 573 = 3.1% May 1 · 13 / 568 = 2.3% May 2 · 10 / 368 = 2.7% May 3 · 10 / 346 = 2.9% May 4 · 13 / 536 = 2.4% May 5 · 29 / 855 = 3.4% May 6 · 19 / 671 = 2.8% May 7 · 13 / 624 = 2.1% May 8 · 17 / 597 = 2.8% May 9 · 13 / 428 = 3.0% May 10 · 12 / 350 = 3.4% May 11 · 16 / 536 = 3.0% May 12 · 21 / 797 = 2.6% May 13 · 19 / 687 = 2.8% May 14 · 15 / 625 = 2.4% May 15 · 14 / 542 = 2.6% May 16 · 10 / 407 = 2.5% May 17 · 14 / 367 = 3.8% May 18 · 14 / 566 = 2.5% May 19 · 24 / 846 = 2.8% May 20 · 15 / 674 = 2.2% May 21 · 13 / 606 = 2.1% May 22 · 6 / 546 = 1.1% May 23 · 14 / 378 = 3.7% May 24 · 8 / 341 = 2.3% May 25 · 20 / 535 = 3.7% May 26 · 26 / 877 = 3.0% May 27 · 22 / 683 = 3.2% May 28 · 18 / 577 = 3.1% May 29 · 11 / 486 = 2.3% May 30 · 13 / 377 = 3.4% May 31 · 17 / 368 = 4.6% Jun 1 · 15 / 619 = 2.4% Jun 2 · 30 / 927 = 3.2% Jun 3 · 18 / 711 = 2.5% Jun 4 · 17 / 598 = 2.8% Jun 5 · 8 / 578 = 1.4% Jun 6 · 13 / 436 = 3.0% Jun 7 · 24 / 405 = 5.9% Jun 8 · 16 / 511 = 3.1% Jun 9 · 16 / 872 = 1.8% Jun 10 · 21 / 725 = 2.9% Jun 11 · 12 / 573 = 2.1% Jun 12 · 5 / 445 = 1.1% Jun 13 · 11 / 381 = 2.9% Jun 14 · 14 / 346 = 4.0% Jun 15 · 11 / 530 = 2.1% Jun 16 · 26 / 1047 = 2.5% Jun 17 · 25 / 899 = 2.8% Jun 18 · 15 / 672 = 2.2% Jun 19 · 9 / 544 = 1.7% Jun 20 · 15 / 443 = 3.4% Jun 21 · 11 / 384 = 2.9% Jun 22 · 11 / 574 = 1.9% Jun 23 · 20 / 899 = 2.2% Jun 24 · 20 / 739 = 2.7% Jun 25 · 16 / 619 = 2.6% Jun 26 · 11 / 533 = 2.1% Jun 27 · 9 / 433 = 2.1% Jun 28 · 8 / 385 = 2.1% Jun 29 · 11 / 503 = 2.2% Jun 30 · 14 / 803 = 1.7% Jul 1 · 17 / 799 = 2.1% Jul 2 · 6 / 604 = 1.0% Jul 3 · 13 / 498 = 2.6% Jul 4 · 12 / 411 = 2.9% Jul 5 · 8 / 367 = 2.2% Jul 6 · 14 / 552 = 2.5% Jul 7 · 23 / 929 = 2.5% Jul 8 · 19 / 752 = 2.5% Jul 9 · 11 / 688 = 1.6% Jul 10 · 20 / 564 = 3.5% Jul 11 · 14 / 448 = 3.1% Jul 12 · 11 / 397 = 2.8% Jul 13 · 11 / 552 = 2.0% Jul 14 · 15 / 885 = 1.7% Jul 15 · 16 / 738 = 2.2% Jul 16 · 12 / 820 = 1.5% Jul 17 · 17 / 658 = 2.6%
Apr 19, 2026 90 days Jul 17, 2026

How StackScope detects technologies

⋮ Apr 22, 2026: Improved detection coverage for this technology.

Auth leaders

Tool % of launches % of category
#1 – Google Sign-In 3.84% 42.34%
#2 ▼1 Auth.js Current page 2.68% 29.58%
#3 ▲1 Clerk 2.53% 27.90%
#4 – Google OAuth 0.24% 2.65%
#5 – Apple Sign In 0.14% 1.59%

Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Auth tool.The most common alternatives to Auth.js among indie launches are Google OAuth and Apple Sign In. All 38 in Auth →

Often used with

Tool Launches
React 1,667
Next.js 1,655
Tailwind CSS 1,484
Google Search Console 1,203
HSTS 1,185

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

Highest-scoring launches using Auth.js

The top launches by StackScope score among the 1,702 we've detected using Auth.js.

Screenshot of Subscription Incinerator , a launch using Auth.js Subscription Incinerator Jul 17, 2026 · score 10.0 Finance Screenshot of ArcForge, a launch using Auth.js ArcForge Jul 17, 2026 · score 10.0 United States Games Screenshot of SprintLead, a launch using Auth.js SprintLead Jul 16, 2026 · score 10.0 France Marketing Screenshot of AgentPrizm, a launch using Auth.js AgentPrizm Jul 15, 2026 · score 10.0 United States Screenshot of Snugtab, a launch using Auth.js Snugtab Jul 15, 2026 · score 10.0 India Finance Screenshot of MRRdue, a launch using Auth.js MRRdue Jul 15, 2026 · score 10.0 Finance

Most recent of 1,702 launches using Auth.js

Screenshot of AppScreenshot Creator, a launch using Auth.js AppScreenshot Creator Jul 18, 2026 · score 7.6 Design Screenshot of PointPoker, a launch using Auth.js PointPoker Jul 18, 2026 · score 7.8 Productivity Screenshot of Paddock Pass, a launch using Auth.js Paddock Pass Jul 18, 2026 · score 5.5 Education Screenshot of Enormous Buildings, a launch using Auth.js Enormous Buildings Jul 18, 2026 · score 4.9 Screenshot of GetJobPulse India, a launch using Auth.js GetJobPulse India Jul 18, 2026 · score 9.7 India Hiring & HR Screenshot of Risingedge, a launch using Auth.js Risingedge Jul 17, 2026 · score 9.7 United Kingdom Education Screenshot of Craftvis, a launch using Auth.js Craftvis Jul 17, 2026 · score 6.9 Singapore Design Screenshot of Vulnsy, a launch using Auth.js Vulnsy Jul 17, 2026 · score 6.7 Netherlands Developer Tools Screenshot of formbuild.io, a launch using Auth.js formbuild.io Jul 17, 2026 · score 9.1 India Screenshot of Lease Snipe, a launch using Auth.js Lease Snipe Jul 17, 2026 · score 9.1 Screenshot of cdbx.ai, a launch using Auth.js cdbx.ai Jul 17, 2026 · score 8.7 United States Developer Tools Screenshot of Rankevra, a launch using Auth.js Rankevra Jul 17, 2026 · score 9.1 Marketing

Showing the most recent 12 of 1,702.

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