jsPsych

JavaScript library for running experiments in the browser

★ Stars1.2k1,227 on GitHub

Last commit6 days ago13 Oct 2026

LicenceMITSPDX, from the repository

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From GitHub, fetched 19 Oct 2026.

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jsPsych is a JavaScript framework for building behavioural experiments that run in a web browser, using ready-made plugins for common tasks and response types.

Free alternative to

E-Prime

In collections

Runs in the browser

Details

Status	Open source
Licence	MIT
Platforms	Web
Category	Surveys & experiments
Website	jspsych.org
Source	GitHub

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