PhET Interactive Simulations

PhET Interactive Simulations

phet.colorado.edu · Verified Mar 16, 2026 · Online· 13h ago
Open Tool

Description

Free browser-based science and math simulations from the University of Colorado Boulder. Over 150 interactive HTML5 simulations covering physics, chemistry, biology, earth science, and math — all usable directly in the browser with no account required.

No-Login Task

"Run interactive STEM simulations in the browser to explore science and math concepts visually"

Tags

Education , Free ,Web App, Client-Side Only ,Cloud Only,Open Source

Health History

14 days ago → Today · Uptime: 100%

Repository

phetsims/phet-info

★ 98 ·Ⓟ 37 · Python · MIT · Updated 6d ago

Similar Tools

Desmos
Desmos desmos.com

Advanced graphing calculator implemented as an interactive web application. Plot functions, create tables, add sliders, animate graphs, and explore math visually.

WolframAlpha
WolframAlpha wolframalpha.com

Computational knowledge engine that answers factual questions by computing answers from structured data. Covers math, science, geography, history, and more.

GeoGebra
GeoGebra geogebra.org

Free dynamic mathematics software for all levels of education. Combine geometry, algebra, spreadsheets, graphing, statistics, and calculus in one interactive tool.

CSS Grid Garden
CSS Grid Garden cssgridgarden.com

Learn CSS Grid layout by tending a virtual garden. Water your carrots through 28 progressively challenging levels.

Python Tutor
Python Tutor pythontutor.com

Visualize code execution step by step. See variables, stack frames, and heap objects for Python, Java, C, C++, and JavaScript.

RegexLearn
RegexLearn regexlearn.com

Interactive regex tutorial with step-by-step lessons. Learn regular expressions from basic patterns to advanced lookaheads.