Formester
Online form builder with workflows and integrations
Open-Source Projects
Discover top open-source software, updated regularly with real-world adoption signals.
Discover top open-source software, updated regularly with real-world adoption signals.
Open-source survey platform with unlimited questions and responses
Self-hosted survey software with 30+ question types, multilingual support, conditional logic, and GDPR compliance. Used by businesses, academics, and governments in 80+ countries.
LimeSurvey is a mature, feature-rich survey platform trusted by businesses, academic institutions, governments, and organizations across 80+ countries since 2006. It delivers enterprise-grade survey capabilities without vendor lock-in or per-response pricing.
Create unlimited surveys with 30+ question types, conditional logic, and question branching. Choose from 900+ templates or build fully branded surveys with custom CSS, JavaScript, fonts, and logos. Deploy surveys in 80+ languages, share via public links or QR codes, or restrict access through invite-only modes. Advanced data analysis tools, real-time statistics, and RemoteControl API (XML-RPC/JSON-RPC) support sophisticated research and feedback workflows.
Built for organizations prioritizing data sovereignty, LimeSurvey offers GDPR compliance, data anonymization, two-factor authentication, and WCAG 2.0 accessibility. Self-host on your infrastructure using Apache/nginx, PHP 7.4+, and MySQL/PostgreSQL/MariaDB/MSSQL databases. Extend functionality through plugins and integrate with SAML, LDAP, Google Analytics, and REST APIs. Ideal for academic research, employee feedback, customer satisfaction studies, and any scenario requiring complete control over survey data and infrastructure.
When teams consider LimeSurvey, these hosted platforms usually appear on the same shortlist.
Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.
Academic Research Studies
Universities collect sensitive participant data with full GDPR compliance and institutional data sovereignty while leveraging multilingual support for international studies.
Employee Engagement Surveys
HR departments gather anonymous feedback across global offices using conditional logic and multilingual capabilities without per-response costs or data leaving company servers.
Customer Satisfaction Programs
Businesses deploy branded surveys via public links and QR codes, analyze responses with built-in statistics tools, and integrate data through RemoteControl API into CRM systems.
Government Citizen Feedback
Public sector agencies ensure accessibility compliance (WCAG 2.0), maintain data on sovereign infrastructure, and support multiple official languages for inclusive participation.
Minimum requirements include Apache 2.4+ or nginx 1.1+, PHP 7.4+ with mbstring and PDO, and MySQL 8.0+, PostgreSQL 12+, MariaDB 10.3.38+, or MSSQL 2016+. Recommended setup uses latest nginx, PHP with php-fpm and extensions (gd2, imap, ldap, zip), and latest MariaDB/MySQL.
Yes, the self-hosted version has no artificial limits on surveys, questions, or responses. Capacity depends only on your server resources and database configuration.
LimeSurvey includes data anonymization features, participant data encryption, two-factor authentication, and configurable data retention policies. Self-hosting ensures data never leaves your controlled infrastructure, simplifying GDPR compliance.
Yes, you can fully brand surveys with custom fonts, colors, logos, CSS, and JavaScript. Choose from 900+ templates or build themes from scratch to match your organization's identity.
LimeSurvey offers RemoteControl API (XML-RPC/JSON-RPC) for programmatic survey management, plus integrations for SAML, LDAP, SURFconext, Google Analytics, and various plugins for extended functionality like audit logging and data export formats.
Project at a glance
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