Intellistack

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Read 145 Intellistack reviews and testimonials from customers, explore 158 case studies and customer success stories, and watch 42 customer videos to see why companies chose Intellistack as their Electronic Signature

Intellistack (formerly Formstack) has grown into a leading provider of powerful, no-code productivity solutions that help teams do more with less. Across thousands of organizations worldwide, their tools and platform empower users to quickly build custom forms, automate document generation, capture eSignatures, and streamline data-driven processes—all without needing to write a single line of code.

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Customer Rating Review Scorebased on 5070 reference ratings
4.7/5.0 (5070)
  • Market Leader 2025 2025
    Fall 2025Market LeaderDocument Automation Software
  • Top Performer 2025 2025
    Fall 2025Top PerformerElectronic Signature Software
    • Market Leader 2024 2024
      Fall 2024Market LeaderMobile Forms Automation Software
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Featured Testimonials

  • "Formstack is always improving their platform based on feedback from users."

  • "Formstack gave us a turnkey solution around health screenings, testing, and health security. It’s allowed us to serve patients in a way that is not cumbersome and gets them in and out quicker."

  • “Formstack has really aided and improved communication between the linemen and our office. It’s helped everyone all around."

Featured Case Studies

  • Empowering Your Sales Team with a Price Quote Tool

  • Improve Marketing and Sales with a Zoho CRM and HubSpot Data Integration

  • AYS Kids - Customer Case Study

Featured Customer Videos

Additional Intellistack Information & Resources

Read Intellistack Reviews, Testimonials & Customer References from 145 real Intellistack customers.

Browse Intellistack Case Studies, Customer Success Stories, & Customer References from 158 businesses that use Intellistack.

Watch Intellistack Customer Videos to learn why 42 businesses chose Intellistack.

Explore answers to frequently asked questions about Intellistack.