* [SurveyJS Form Library v3.0.0](https://github.com/surveyjs/survey-library) – Client-side library for rendering dynamic JSON-based forms in JavaScript applications.

* [Formbricks 5.0.0](https://github.com/formbricks/formbricks) – Survey platform for gathering user feedback through various types of surveys.

* [formr survey framework v1.0.0](https://github.com/rubenarslan/formr.org) – Framework for creating complex studies by chaining surveys and using R for feedback and designs.

* [LimeSurvey 6.17.4+260520](https://github.com/LimeSurvey/LimeSurvey) – Powerful online survey platform with features like conditional logic, multilingual support, and customizable templates.