Formbricks

Forms Open source

An open-source survey and experience management platform for targeted in-product micro-surveys.

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About

What is Formbricks?

Formbricks is an open-source survey and experience management platform specializing in in-product micro-surveys — targeted, contextual surveys shown to the right users at the right moment. Unlike generic form tools, Formbricks integrates as a JavaScript SDK into your web app, enabling teams to trigger NPS surveys, CSAT prompts, churn surveys, and PMF questionnaires based on user behavior, segments, and events. Self-hostable for complete data ownership, Formbricks is the privacy-first alternative to Hotjar Surveys and Qualtrics.

Pros & Cons

Pros

  • In-product surveys triggered by user behavior, events, and segments
  • Fully open-source and self-hostable with complete data control
  • Supports NPS, CSAT, PMF, churn, and custom survey types
  • SDK-based targeting without third-party cookies
  • Beautiful, minimal survey UI with high response rates
  • Integrates with Slack, Notion, Zapier, and webhooks
  • No per-response pricing when self-hosted

Cons

  • Requires developer setup for SDK integration into your app
  • Less suitable for standalone external surveys vs. Tally or Typeform
  • Self-hosting requires DevOps knowledge
  • Smaller template library than generic form tools
  • Advanced analytics require integration with external tools

Use Cases

Measuring NPS within your SaaS product after key interactions Collecting CSAT feedback at critical product moments Running PMF (product-market fit) surveys for early-stage startups Churn surveys triggered when users cancel or downgrade Contextual micro-surveys based on user behavior and cohorts
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