What are the best form libraries for creating online forms?

“Best” depends on what kind of online forms you mean:

If you want a form library for building forms in a web app

These are the most popular choices:

1) React Hook Form

• Great performance
• Minimal re-renders
• Easy to integrate with validation libraries like Zod or Yup
• Best for modern React apps

Good for: most React projects

2) Formik

• Mature and widely used
• Easy to understand
• Good ecosystem

Good for: teams that want a well-known, straightforward solution

3) Final Form / React Final Form

• Flexible and efficient
• Good for complex forms
• Smaller community than React Hook Form

Good for: advanced or highly dynamic forms

4) TanStack Form

• Newer, modern, and strongly typed
• Built for flexibility
• Still growing in adoption

Good for: teams that want a newer TypeScript-friendly option

If you want a no-code / hosted online form builder

These are popular if you mean public-facing forms:

1) Typeform

• Beautiful conversational forms
• Great UX
• Easy to share and embed

2) Google Forms

• Free and simple
• Fast to set up
• Basic design/customization

3) Jotform

• Very feature-rich
• Good templates and integrations
• Supports payments, approvals, and workflows

4) Tally

• Simple, modern, and lightweight
• Great for quick forms
• Easy to use

5) Formstack

• Strong for business workflows and enterprise use
• Good automation/integrations

Quick recommendations

• React app: React Hook Form
• Non-technical / hosted forms: Typeform or Jotform
• Free/simple forms: Google Forms or Tally
• Enterprise workflows: Formstack

If you want, I can also give you:

1. the best form libraries for React,
2. the best no-code form builders, or
3. a comparison table with pros/cons and pricing.