Survs is an online survey tool developed by the Lisbon-based agency Enough Pepper. Founded in 2009, it provides a team-oriented interface for building surveys with various question types and analytics dashboards. Users can send surveys via email or link and collaborate on results. The platform offers custom branding, multilingual support, and a free plan (especially for student research). According to the site, Survs has gathered millions of responses worldwide.
LimeSurvey
LimeSurvey is a German open-source survey tool (headquartered in Hamburg) that offers a hosted or self-hosted platform for creating and customizing complex surveys.