Best open-source alternatives to Google Forms

HeyForm is an open-source form builder aimed at small businesses and teams that want to create conversational forms for collecting information, feedback, and survey responses. It provides a hosted cloud service for getting started quickly, and it also supports self-hosting for users who want to run it on their own infrastructure. The project includes a server and web app, plus supporting packages for rendering forms, embedding forms, and handling shared utilities. Its feature set centers on form creation, customization, logic-based interactions, integrations with external services, and analytics on submission behavior. The README also highlights deployment options through several one-click platforms, along with local development and community support resources.

Formbricks is a free and open source survey platform positioned as a privacy-first alternative to Qualtrics. It is designed for teams that want to collect user and customer feedback at multiple points in the journey, including in-app, website, link, and email surveys. The project supports both a hosted cloud service and a self-hosted deployment on Docker. It emphasizes no-code survey creation, templates, targeting specific user groups, collaboration within organizations, and integrations with popular tools like Slack, Notion, Zapier, and n8n. The repository also contains an enterprise edition with additional functionality for larger teams, while the core product remains available under AGPLv3.

LimeSurvey is a free and open-source survey platform designed for organizations, researchers, educators, and other users who need to create and manage online surveys. It is positioned as a flexible tool for collecting feedback, conducting academic or field research, and running multilingual surveys at scale. The project focuses on survey authoring, distribution, and analysis. The README highlights capabilities such as branching logic, templates, branding customization, response statistics, and data analysis tools, along with integrations and APIs. It is intended for self-hosted deployments and is also offered as a hosted SaaS for teams that prefer not to manage infrastructure themselves.

OpnForm is an open-source form builder aimed at users who want to create and manage forms without writing code. The README highlights a managed cloud service as the easiest way to get started, while also offering self-hosted deployment guides and a Docker-based local development setup. The project is positioned for teams or individuals building forms with features such as embedded forms, notifications, integrations, form logic, captcha protection, and analytics. It also includes technical documentation and a helpdesk, and it uses a dual-license model: the core application is AGPLv3 while some advanced enterprise features are proprietary.

Create collaborative surveys, quizzes, brainstorms, and word clouds (documentation in French).