LimeSurvey is an online survey tool with templates, varied question types and branching logic. You can customize a questionnaire, add images or videos and offer it in several languages. Surveys can be shared through a link or QR code or embedded in a website.
Built-in results views help you review responses and statistics. You can use the hosted service or choose the open-source software for self-hosting. Response limits, hosting choices and additional options depend on the offering; survey anonymity also depends on how you configure and run it.
Source: Product overview