LimeSurvey — Free Online Survey Tool | WarmIndex

LimeSurvey is a free, open-source online survey tool that enables users from students and researchers to enterprises to create, customize, share, and analyze professional surveys and questionnaires.

🚀 Overview

LimeSurvey is the world's #1 open-source survey platform, trusted by over 1.5 million users in 160+ countries. It offers a powerful alternative to proprietary tools like SurveyMonkey, Typeform, and Google Forms, allowing complete control through self-hosting or cloud options.

What problem does this project solve? Proprietary survey software often comes with high costs, data privacy concerns, and limited customization. LimeSurvey provides a free, fully featured, self-hosted solution that ensures data sovereignty, GDPR compliance, and unlimited usage.

Who is it built for? It's designed for professional researchers, market teams, educators, businesses, nonprofits, governments, and anyone needing flexible survey capabilities.

Why was it built? Started in 2003 as an open-source project to democratize access to advanced survey tools, it's community-driven to offer unmatched flexibility and innovation without vendor lock-in.

✨ Key Features

Intuitive drag-and-drop survey creator with 30+ question types, 900+ templates, multimedia support, and advanced logic/branching for personalized experiences (enables quick professional surveys).
Multilingual support for 80+ languages with AI-powered translations and localization (ideal for global audiences).
Secure sharing via links, embeds, QR codes, social media, with password protection and quotas.
Comprehensive analysis with statistics, dashboards, research methods like conjoint analysis (soon more), and exports.
Optional: Upcoming team collaboration, advanced AI features, and drag-and-drop dashboards.

🛠 Tech Stack

Frontend: JavaScript (ES6), CSS, HTML, SCSS, Twig
Backend: PHP (>= 7.4)
Database: MySQL (>= 8.0), PostgreSQL (>= 12), MariaDB (>= 10.3.38), MSSQL (>= 2016)
Auth: Custom with plugins (LDAP, SAML, etc.)
Hosting: Self-hosted (Apache >=2.4, nginx >=1.1), or LimeSurvey Cloud SaaS

👥 Who Is This For?

This project is useful for:

Developers who want to self-host customizable survey solutions
Teams looking for GDPR-compliant, multilingual research tools
Indie makers building surveys for products, feedback, or MVPs
Researchers, educators, businesses, nonprofits, and governments needing advanced features