How to Build Your Own FormAssembly
Replace FormAssembly with a custom build. Secure Online Form Builder and Data Collection Software
Build Difficulty: 4/5
A few focused days to build a solid replacement
Estimated Timeline
Based on 61 features at Few Days difficulty, expect about 3-5 days with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Key Features to Replicate
Top features across 8 categories. See all 61 features
Security(12 features)
Automatically mark suspected spam submissions to protect forms from spam
Integrate FormAssembly with Central Authentication Service for enterprise single sign-on
Define granular permission settings for who can edit forms, access data, and update account
Automate purge of sensitive data to meet compliance and security requirements
Mask sensitive data at field level to protect personally identifiable information
+7 more in this category
Form Building(11 features)
Create fields that automatically calculate values based on other user inputs
Show or hide form sections or questions based on user responses for personalized experience
Advanced customization options using HTML, CSS, and JavaScript for high-code form development
Publish forms on custom subdomain for branded form hosting
Customize form branding and themes to match organizational identity
+6 more in this category
Compliance(10 features)
Meet California Consumer Privacy Act requirements for data collection and handling
Choose data residency in North America, EU, or APAC regions for compliance requirements
Collect electronic signatures within workflows, compliant with FDA 21 CFR Part 11
FedRAMP-authorized at High-Impact level for U.S. federal government entities and contractors
Meet Family Educational Rights and Privacy Act requirements for education institutions
+5 more in this category
Integration(4 features)
Accept payments directly through workflows with Stripe and other growing payment processors
Populate dropdown menus with options pulled directly from Salesforce picklists and lookup results
Bidirectional integration with Salesforce enabling data flow from forms into Salesforce and vice versa
Send response data to Microsoft Excel workbooks or Google Sheets spreadsheets for analysis
Document Generation(3 features)
Effortlessly create professional, branded invoices, reports, certificates, and more automatically
Automatically merge form data into documents with annual limits
Automatically generate PDF files from submitted form data
Support(3 features)
Dedicated customer success support and guidance for enterprise customers
Comprehensive onboarding assistance to help get started with FormAssembly
Custom SLA with uptime guarantees and support commitments
Workflow(3 features)
Set up workflows where form submissions are reviewed by approvers with conditional pathways based on decisions
Assign tasks and send reminders within workflows to streamline organizational processes
Create unlimited data collection workflows and automation processes
Accessibility(2 features)
Forms comply with Section 508 accessibility standards for users with disabilities
Forms meet Web Content Accessibility Guidelines 2.1 standards for accessibility
Cost Calculator
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Build It Yourself
Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 61 features at easy complexity.