Top 12 Open-Source Alternatives to Formstack

Formstack

Use our drag and drop online form builder for surveys, registrations, payment collections, lead generation and more. Our online forms offer robust features and 50+ integrations that allow you to automate workflows, capture leads & more.

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Pricing:

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Product categories

Appointments and Scheduling Backend As A Service Customer Experience Customer Experience Management Developer Tools Form Builder Forms And Surveys Marketing Tools Survey Tools Surveys Web App Web Forms

Summary

The top open-source alternatives to Formstack are XLForm, LimeSurvey, and Birdeye. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

XLForm Landing Page
1

XLForm

XLForm is an iOS library to create dynamic table-view forms.
Pricing:
- Open Source
#Surveys #Forms And Surveys #Form Builder
LimeSurvey Landing Page
2

LimeSurvey

LimeSurvey: the Online-Umfrage Tool - Open-Source Suryeys
Pricing:
- Open Source
#Surveys #Forms And Surveys #Form Builder 1 social mentions
Birdeye Landing Page
3

Birdeye

#1 most trusted reputation and customer experience platform for local business
Pricing:
- Open Source
- Paid
- Free Trial
- $299.0 / Monthly
#Reputation Management #Online Reviews #Customer Experience Management 6 social mentions
SurveyJS Landing Page
4

SurveyJS

Simplify data collection in your JavaScript application with SurveyJS UI components. Create and style dynamic JSON-based forms using a fully integrated form builder that features a CSS theme editor and GUI for conditional rules and form branching.
Pricing:
- Open Source
- Freemium
- Free Trial
- $499.0 / One-off (1 developer license, unlimited form creators)
#Surveys #Form Builder #Forms And Surveys 10 social mentions
Headlessforms - Form Backend Landing Page
5

Headlessforms - Form Backend

Build high-quality HTML forms in minutes -- we have the Form Backend
Pricing:
- Open Source
- Freemium
- Free Trial
- $8.0 / Monthly
#Backend As A Service #Forms #Headless CMS
Airform Landing Page
6

Airform

Functional HTML forms for Front-End Developers.
Pricing:
- Open Source
#Form Builder #Surveys #Forms And Surveys 3 social mentions
Form Tools Landing Page
7

Form Tools

Form Tools is a powerful, flexible, free and open source PHP/MySQL script you install on your...
Pricing:
- Open Source
#Surveys #Form Builder #Forms And Surveys 5 social mentions
pdfFiller Landing Page
8

pdfFiller

A comprehensive online document management platform that provides the services of an online editor, cloud storage platform, and a signature request manager, all in one package.
Pricing:
- Open Source
- Paid
- Free Trial
- $8.0 / Monthly (annual commitment)
#PDF Tools #PDF Editor #eSignature 7 social mentions
Form.io Landing Page
9

Form.io

Combined FORM & API Platform for Developers
Pricing:
- Open Source
#Surveys #Form Builder #Forms And Surveys 4 social mentions
Advanced Custom Fields Landing Page
10

Advanced Custom Fields

Custom field and custom content plugin for WordPress
Pricing:
- Open Source
#Form Builder #Surveys #Forms And Surveys
Sheet Monkey Landing Page
11

Sheet Monkey

Submit your forms to Google Sheets
Pricing:
- Open Source
- Freemium
#Developer Tools #Surveys #Form Builder 3 social mentions
Boolean Landing Page
12

Boolean

Send single question yes/no surveys
Pricing:
- Open Source
#Surveys #Feedback Polls #Slack