Comparing Giscus to Form.io

Compare Giscus with Form.io for adding forms to your static site.

Giscus

A comments system powered by GitHub Discussions

Overview

Inspired by Utterances but uses GitHub Discussions instead of issues; self-hosting available

+ Pros

  • No ads
  • no tracking
  • open source
  • data in GitHub Discussions
  • themes
  • multiple languages
  • reactions

− Cons

  • Requires GitHub login
  • no responses display widget
  • ties to GitHub ecosystem
  • still actively developed

Visit Giscus →

Form.io

Build Forms; APIs; and Agentic Workflows

Partial free

Overview

Trusted by Accenture; Booz Allen Hamilton; Deloitte; State of Ohio; NHS Scotland; enterprise focus

+ Pros

  • Self-hosted option
  • open source core
  • drag-and-drop form builder
  • JSON-powered
  • enterprise-grade
  • white-labeling
  • multi-tenancy
  • AI Agent Gateway (UAG)

− Cons

  • Complex setup for simple forms
  • enterprise-focused
  • pricing not transparent
  • steep learning curve

Visit Form.io →