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Open Source Electronic Data Capture Software (2026)
Last updated: April 2026
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JavaScript Form Builder — Simplify forms. Secure your data.
SurveyJS is free at the base and offers a perpetual developer-based licensing model for the Creator, PDF Generator and Dashboard libraries, meaning you can make a one-time payment and use the software indefinitely. We provide access to the latest product versions and technical support on a subscription basis. A subscription lasts for a 12 month period (of the original purchase date, or of the latest renewal date). You get permanent access to the versions released within this period. Developer licenses for all SurveyJS products are perpetual and come with a 90-day unconditional money-back guarantee. A volume discount (of up to 35% off) applies when purchasing 2 or more of the same product title.
Read more about SurveyJS