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 5215 reference ratings
4.7/5.0 (5215)
  • 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

  • "We had in place was manual creation of every single form, and every single form field."

    Karen WilsonWeb services programmer

  • "Formstack gives me the ability to collect, process, sign, and transform information. One of the great things is the value of having all that interoperability in one platform, compared to getting all of those services individually."

    Mark WalcottExecutive Director Advancement Systems

  • "Formstack allows for documentation and a paper trail, with an audit report for contracts."

    Brittany TrewarthaOperations Project Specialist
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Featured Case Studies

  • How I Use This App Uses Formstack

    Julio MedinaOwner

  • Travel Agency Uses Formstack To Help Create Memories

    Katie FlemingManaging Director

  • Streamlining Funding Requests with Workflow Automation

    Neena WengWeb Services Manager
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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 1,888,297+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.