FormForge – JavaScript Form Builder

FormForge is a framework-agnostic form builder you can embed in any web app or sell as a hosted service.

Key features

• Drag-and-drop builder with 30 field types
• Conditional logic and calculated fields
• File uploads with size/type rules
• Razorpay payment fields
• Webhooks and Zapier-style integrations

Tech stack

• Vanilla TypeScript
• Web Components
• Node.js API

Requirements

• Node.js 18+ for the optional API

Installation

1. Include formforge.min.js on your page.
2. Mount the builder with FormForge.builder(el, options).
3. Optionally deploy the Node.js API for submissions.

What's included

• Full source code with comments
• Step-by-step documentation
• Demo data and seed scripts where applicable
• 6 months of author support and all future updates