Intellistack

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Read 145 Intellistack reviews and testimonials from customers, explore 159 case studies and customer success stories, and watch 41 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 5188 reference ratings
4.7/5.0 (5188)
  • Market Leader 2025 2025
    Fall 2025Market LeaderMobile Forms Automation Software
    Press ReleaseReport
  • Market Leader 2025 2025
    Fall 2025Market LeaderDocument Automation Software
    Press ReleaseReport
    • Top Performer 2025 2025
      Fall 2025Top PerformerElectronic Signature Software
      Press ReleaseReport
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Featured Testimonials

  • "Now important season ticket holder data is available at their fingertips without having to reach out to a person or perform a manual process. Formstack has made it so much easier to communicate across all of our different departments."

    Celeste BallouDirector of Digital Marketing

  • "At first, I was scared of only having email support, but Formstack is super fast and 'gets' my questions. They have been such a blessing to my small business by offering online applications that are easy, clean, and helpful."

    Lisa BianconiOwner/Communications Director

  • "Formstack makes it super easy for us to create the forms we need. It saves us tons of time on data entry and analysis and makes it simple for us to see, use, and share data across departments."

    Lindsay AndersonProject Manager
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Featured Case Studies

  • FlexPAC - Customer Case Study

    Chris TheisenDirector of Digital Communication

  • VOICE Charter School - Customer Case Study

    Scott WalkerSenior Data Specialist

  • Leslie Comes to the Rescue with Powerful Approval Workflows

    Leslie DuPeeDirector of Web Services & New Media
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Featured Customer Videos

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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 159 businesses that use Intellistack.

Watch Intellistack Customer Videos to learn why 41 businesses chose Intellistack.

Explore answers to frequently asked questions about Intellistack.

FeaturedCustomers has 1,882,696+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.