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Formbricks

In-app, website, link, and email surveys feed one open-source experience management platform: Formbricks. Its distinguishing strength is targeted in-app research: a JavaScript SDK triggers surveys on user events and attributes, with segmentation rules like "power users who have not seen a survey in 10 days," so questions reach the right cohort at the right moment instead of a mass email blast. The no-code editor offers 20+ question types including NPS, CSAT, CES, matrix, ranking, and file upload, with skip logic, conditional branching, best-practice templates, and full brand theming. Responses feed built-in analytics with summaries and CSV/JSON export, and integrations push data to Slack, Notion, Google Sheets, Airtable, Zapier, and n8n, with webhooks and an open API on every tier. Because self-hosted surveys load from your own domain rather than a blacklisted third-party script host, ad blockers do not suppress them - in-app surveys reach users that Hotjar-style tools silently miss, which measurably raises response rates. Self-hosting also removes the third-party sub-processor from your privacy policy entirely: survey responses often contain PII, and keeping them on your own server matters for GDPR-sensitive and regulated industries. The Community Edition has no response caps or tier-gated features, so core functionality and your data stay accessible regardless of any subscription. Next.js on PostgreSQL, AGPLv3.

Formbricks

Benefits

  • Feedback Data Never Leaves Your Server
  • Survey responses often contain PII. Self-hosting removes the third-party sub-processor from your privacy policy entirely, which matters for GDPR-sensitive and regulated industries.
  • Ad Blockers Cannot Kill Your Surveys
  • Self-hosted surveys load from your own domain rather than a blacklisted third-party script host, so in-app surveys reach users that Hotjar-style tools silently miss.
  • Ask at the Moment of Experience
  • Event-triggered, attribute-segmented in-app surveys convert far better than follow-up emails because users answer while the experience is fresh.
  • Unlimited Responses, No Tier Anxiety
  • Hosted survey tools cap responses and lock features behind plans. The self-hosted Community Edition keeps core functionality and your data accessible regardless of any subscription.

Features

  • Four Distribution Channels
  • In-app surveys via the JavaScript SDK, website surveys through an embed snippet, shareable link surveys, and surveys embedded in emails.
  • Granular Targeting
  • Trigger surveys on user actions and segment by custom attributes and cohorts without changing application code after the SDK is installed.
  • 20+ Question Types with Logic
  • NPS, CSAT, CES, matrix, ranking, open text, multi-choice, and file upload, combined with skip logic and conditional branching.
  • Templates and Branding
  • Best-practice survey templates plus full control of colors, roundness, backgrounds, and animations to match your product's look.
  • Analytics and Export
  • Response summaries and charts in the dashboard, with CSV and JSON export for deeper analysis in your own tools.
  • Integrations, Webhooks, and API
  • Native connectors for Slack, Notion, Google Sheets, Airtable, Zapier, and n8n, plus webhooks and a fully open API on all tiers.