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Formstack vs OpenSignature

Professional comparison and analysis to help you choose the right software solution for your needs.

Formstack icon
Formstack
OpenSignature icon
OpenSignature

Formstack vs OpenSignature: The Verdict

⚡ Summary:

Formstack: Formstack is an online form builder and data collection platform that allows users to create custom forms and surveys for data collection, process automation, and more. It offers drag-and-drop form building, data integration with popular apps, and analytics tools.

OpenSignature: OpenSignature is an open-source electronic signature software that allows users to sign documents digitally. It integrates with various applications and offers features like templates, reminders, analytics, and more.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Formstack OpenSignature
Sugggest Score — —
Category Business & Commerce Office & Productivity
Pricing — Free

Product Overview

Formstack
Formstack

Description: Formstack is an online form builder and data collection platform that allows users to create custom forms and surveys for data collection, process automation, and more. It offers drag-and-drop form building, data integration with popular apps, and analytics tools.

Type: software

OpenSignature
OpenSignature

Description: OpenSignature is an open-source electronic signature software that allows users to sign documents digitally. It integrates with various applications and offers features like templates, reminders, analytics, and more.

Type: software

Pricing: Free

Key Features Comparison

Formstack
Formstack Features
  • Drag-and-drop form builder
  • Mobile-friendly forms
  • Conditional logic
  • Data integration
  • Workflow automation
  • Analytics and reporting
  • Electronic signatures
  • HIPAA compliance
  • Access management
  • API access
OpenSignature
OpenSignature Features
  • Create, manage and send documents for electronic signature
  • Legally binding eSignatures
  • Customizable templates
  • Reminders and notifications
  • Document tagging and workflows
  • Analytics and reports
  • API integrations
  • White labeling and branding
  • Multi-language support

Pros & Cons Analysis

Formstack
Formstack
Pros
  • Intuitive interface
  • Great flexibility in form design
  • Powerful conditional logic features
  • Robust integrations
  • Automation capabilities
  • Strong analytics and reporting
  • High security standards
Cons
  • Can get pricey for larger organizations
  • Steep learning curve for advanced features
  • Limited custom CSS control
  • No offline form capabilities
  • Lacks some niche industry-specific features
OpenSignature
OpenSignature
Pros
  • Free and open source
  • Customizable features and branding
  • Integrates with many applications
  • Legally valid eSignatures
  • Good for basic eSignature needs
Cons
  • Limited native mobile apps
  • Less advanced features than paid platforms
  • Limited customization in free version
  • Not ideal for complex workflows

Pricing Comparison

Formstack
Formstack
  • Not listed
OpenSignature
OpenSignature
  • Free

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Learn More About Each Product

Formstack
Formstack
Reviews, pricing & alternatives →
OpenSignature
OpenSignature
Reviews, pricing & alternatives →

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