React + Tailwind SaaS Onboarding & Auth UI Kit

Stop wasting days wiring auth screens. Start shipping features users actually care about.

You open your project and instantly lose hours to login forms, redirect bugs, and UI states that break the moment a token expires. You patch one edge case and two more appear. You copy another GitHub snippet and still end up with layouts that collapse on mobile or flows that confuse new users. You know this shouldn't take a week, but it always does.

This UI kit gives you production-ready React + Tailwind onboarding and authentication flows you can drop into your app in minutes. It includes fully wired login, sign-up, password reset, OAuth, invitations, and multi-step onboarding screens, plus the state logic that makes them work. Every flow is battle-tested, secure, and built to integrate cleanly with any backend or auth provider.

What's Included:
- 14 React auth screens with responsive Tailwind layouts (login, sign-up, reset, verify email, OAuth connect, invitation accept, and more)
- 6 multi-step onboarding flows with prebuilt state machines and progress logic
- 8 secure auth patterns covering session fixation prevention, CSRF protection, and safe token handling
- 10 reusable components (form fields, error banners, OAuth buttons, onboarding steps)
- 4 redirect and token-expiry handlers that avoid the most common production failures
- 2 ready-to-use context providers for managing auth and onboarding state without race conditions
- 12 utility hooks for form validation, request status, protected routes, and recovery states

Built from patterns used in real SaaS products that handle thousands of users. Every component comes from solving actual production bugs in onboarding funnels, OAuth flows, and session management issues that junior React devs repeat again and again.

Who This Is For:
- Solo founders who need a complete onboarding flow without losing a weekend to debugging
- React beginners who want secure, predictable auth without learning everything the hard way
- Agencies that need reusable, client-ready auth flows they can drop into multiple projects

Who This Is NOT For:
- Developers who already have a full custom auth system they’re happy with
- Teams looking for a no-code or backend-as-a-service restricted setup

If this doesn’t save you at least 10 hours of tedious UI work, reach out for a full refund.

What's Included (14 files)

• form-validation-schema.ts
• EmailVerificationScreen.react.tsx
• edge-case-email-link-expired-handler.ts
• TROUBLESHOOTING.md
• auth-context-implementation.ts
• LoginForm.react.tsx
• ProfileSettingsForm.react.tsx
• session-persistence-handler.ts
• SETUP-GUIDE.md
• SignupForm.react.tsx
• OAuthProviderButtons.react.tsx
• TeamInviteFlow.react.tsx
• OnboardingWizard.multi-step.react.tsx
• ProtectedRouteGuard.tsx