Best forDropping prebuilt sign-in, profile and organization UI into a React or Next.js app.
Trade-offPer-user pricing grows with you; users live in Clerk, not your database.
158 of the 191 Next.js products here · free tier
Among 191 makers' products we track that are built with Next.js, here's what they chose for authentication — each counted from a live-product source.
Hosted service or library in your own app. Hosted services give you UI, MFA and security updates for a monthly bill and some lock-in; libraries keep users in your own database for free, and you own the upkeep.
Counts are live products with a source, not market share; a product using two options counts in both.
Best forDropping prebuilt sign-in, profile and organization UI into a React or Next.js app.
Trade-offPer-user pricing grows with you; users live in Clerk, not your database.
158 of the 191 Next.js products here · free tier
Best forB2B SaaS that will need enterprise SSO and directory sync.
Trade-offIts free tier covers basic sign-in, but enterprise SSO and directory sync are priced per connection — worth it once a customer pays for them.
10 of the 191 Next.js products here · free tier
Best forComplex identity needs and enterprise compliance.
Trade-offHeavier to configure and pricier than newer options for a solo project.
6 of the 191 Next.js products here · free tier
Best forApps already on Supabase — auth is part of the same project as the database.
Trade-offLess polished UI components than dedicated auth services.
5 of the 191 Next.js products here · free tier · open source
Best forTypeScript apps that want users and sessions in their own database, at no cost.
Trade-offYou host it and keep it patched; UI is yours to build.
5 of the 191 Next.js products here · free tier · open source
Best forAuth that also covers feature flags and organizations in one place.
2 of the 191 Next.js products here · free tier
Best forB2B products where every customer is an organization with members, roles, invites and SAML.
Trade-offPaid plans start well above hobby budgets once you pass the free tier; users live in PropelAuth, not your database.
2 of the 191 Next.js products here · free tier
Best forMobile and client-heavy apps already using Firebase.
Trade-offTies your user model to Google's ecosystem.
1 of the 191 Next.js products here · free tier
Best forA Clerk-style developer experience you can also self-host.
Trade-offYounger ecosystem than the incumbents.
1 of the 191 Next.js products here · free tier · open source
Best forPasswordless sign-in (magic links, one-time codes, passkeys) and B2B SSO through APIs, free up to 10,000 monthly active users.
Trade-offNow part of Twilio, which says nothing changes for now; overage prices aren't published, and users live in Stytch, not your database.
1 of the 191 Next.js products here · free tier
Best forOpen-source OIDC auth with hosted sign-in pages, organizations and roles, on a cloud with 50,000 free monthly active users or on your own servers.
Trade-offRuns as a separate auth server your app redirects to, rather than components inside your pages; smaller community than the incumbents.
1 of the 191 Next.js products here · free tier · open source