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@phetsims PhET Interactive Simulations

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    209 repositories

    • binder

      Public
      Generates and publishes documentation for PhET simulation components.
      JavaScript
      •
      MIT License
      •3•0•13•1•Updated May 3, 2026May 3, 2026

    • quantum-wave-interference

      Public
      "Quantum Wave Interference" is an educational simulation in HTML5, by PhET Interactive Simulations.
      TypeScript
      •
      GNU General Public License v3.0
      •0•1•32•0•Updated May 2, 2026May 2, 2026

    • perennial

      Public
      Maintenance tools that won't change with different versions of chipper checked out
      scenerystack
      scenerystack
      JavaScript
      •
      MIT License
      •7•7•104•5•Updated May 2, 2026May 2, 2026

    • phet-info

      Public
      Collection of information shared by PhET team members for the purpose of using github effectively and for other process-related topics.
      Python
      •
      MIT License
      •37•98•22•0•Updated May 2, 2026May 2, 2026

    • energy-skate-park-basics

      Public
      "Energy Skate Park: Basics" is an educational simulation in HTML5, by PhET Interactive Simulations.
      TypeScript
      •
      GNU General Public License v3.0
      •9•3•1•0•Updated May 2, 2026May 2, 2026

    • energy-skate-park

      Public
      "Energy Skate Park" is an educational simulation in HTML5, by PhET Interactive Simulations.
      TypeScript
      •
      MIT License
      •15•2•31•0•Updated May 2, 2026May 2, 2026

    • scenery-phet

      Public
      Reusable components based on Scenery that are specific to PhET simulations.
      scenerystack
      scenerystack
      TypeScript
      •
      MIT License
      •8•9•64•1•Updated May 2, 2026May 2, 2026

    • photoelectric-effect

      Public
      Photoelectric Effect is an educational simulation in HTML5, by PhET Interactive Simulations.
      TypeScript
      •
      GNU General Public License v3.0
      •0•0•15•0•Updated May 1, 2026May 1, 2026

    • nuclear-decay-common

      Public
      Common code for alpha-decay, beta-decay, and radioactive-dating-game
      TypeScript
      •
      GNU General Public License v3.0
      •0•0•2•0•Updated May 1, 2026May 1, 2026

    • balloons-and-static-electricity

      Public
      "Balloons and Static Electricity" is an educational simulation in HTML5, by PhET Interactive Simulations.
      TypeScript
      •
      GNU General Public License v3.0
      •9•6•19•2•Updated May 1, 2026May 1, 2026

    • babel

      Public
      This repo contains the translated strings for PhET's simulations.
      scenerystack
      scenerystack
      Fluent
      •
      MIT License
      •9•4•3•0•Updated May 1, 2026May 1, 2026

    • alpha-decay

      Public
      Alpha Decay is an educational simulation in HTML5, by PhET Interactive Simulations.
      TypeScript
      •
      GNU General Public License v3.0
      •1•0•5•0•Updated May 1, 2026May 1, 2026

    • quantum-bound-states

      Public
      "Quantum Bound States" is an educational simulation in HTML5, by PhET Interactive Simulations.
      TypeScript
      •
      GNU General Public License v3.0
      •0•0•22•0•Updated Apr 30, 2026Apr 30, 2026

    • tambo

      Public
      library containing code to support sonification of PhET simulations
      scenerystack
      scenerystack
      TypeScript
      •
      MIT License
      •5•3•41•0•Updated Apr 30, 2026Apr 30, 2026

    • models-of-the-hydrogen-atom

      Public
      "Models of the Hydrogen Atom" is an educational simulation in HTML5, by PhET Interactive Simulations at the University of Colorado Boulder.
      TypeScript
      •
      GNU General Public License v3.0
      •3•5•5•0•Updated Apr 30, 2026Apr 30, 2026

    • graphing-quadratics

      Public
      "Graphing Quadratics" is an educational simulation in HTML5, by PhET Interactive Simulations.
      TypeScript
      •
      MIT License
      •4•1•1•0•Updated Apr 30, 2026Apr 30, 2026

    • gas-properties

      Public
      "Gas Properties" is an educational simulation in HTML5, by PhET Interactive Simulations.
      TypeScript
      •
      GNU General Public License v3.0
      •7•6•7•0•Updated Apr 30, 2026Apr 30, 2026

    • beta-decay

      Public
      "Beta Decay" is an educational simulation in HTML5, by PhET Interactive Simulations.
      TypeScript
      •
      GNU General Public License v3.0
      •0•0•1•0•Updated Apr 29, 2026Apr 29, 2026

    • beers-law-lab

      Public
      "Beer's Law Lab" is an educational simulation in HTML5, by PhET Interactive Simulations.
      TypeScript
      •
      GNU General Public License v3.0
      •9•2•6•0•Updated Apr 29, 2026Apr 29, 2026

    • vector-addition

      Public
      “Vector Addition” is an educational simulation in HTML5, by PhET Interactive Simulations.
      TypeScript
      •
      GNU General Public License v3.0
      •5•5•10•0•Updated Apr 29, 2026Apr 29, 2026

    • calculus-grapher

      Public
      "Calculus Grapher" is an educational simulation in HTML5, by PhET Interactive Simulations.
      TypeScript
      •
      GNU General Public License v3.0
      •4•5•9•0•Updated Apr 29, 2026Apr 29, 2026

    • sherpa

      Public
      Third-party libraries and dependencies for PhET Simulations
      third-partyscenerystack
      third-partyscenerystack
      JavaScript
      •
      Other
      •9•12•2•2•Updated Apr 29, 2026Apr 29, 2026

    • dot

      Public
      A math library with a focus on mutable and immutable linear algebra for 2D and 3D applications.
      scenerystack
      scenerystack
      TypeScript
      •
      MIT License
      •7•14•19•0•Updated Apr 29, 2026Apr 29, 2026

    • isotopes-and-atomic-mass

      Public
      "Isotopes And Atomic Mass" is an educational simulation in HTML5, by PhET Interactive Simulations.
      TypeScript
      •
      GNU General Public License v3.0
      •3•3•6•0•Updated Apr 27, 2026Apr 27, 2026

    • chipper

      Public
      Tools for developing and building PhET interactive simulations.
      scenerystack
      scenerystack
      TypeScript
      •
      MIT License
      •16•17•183•6•Updated Apr 27, 2026Apr 27, 2026

    • circuit-construction-kit-dc-virtual-lab

      Public
      "Circuit Construction Kit: DC - Virtual Lab" is an educational simulation in HTML5, by PhET Interactive Simulations.
      HTML
      •
      GNU General Public License v3.0
      •9•4•1•0•Updated Apr 23, 2026Apr 23, 2026

    • shred

      Public
      A library of JavaScript code that is used in PhET simulations that depict atoms, subatomic particles, and atomic structure. This was originally created to cont…
      TypeScript
      •
      GNU General Public License v3.0
      •6•2•6•0•Updated Apr 23, 2026Apr 23, 2026

    • scenery

      Public
      Scenery is an HTML5 scene graph.
      scenerystack
      scenerystack
      TypeScript
      •
      MIT License
      •17•68•344•0•Updated Apr 22, 2026Apr 22, 2026

    • molecule-polarity

      Public
      "Molecule Polarity" is an educational simulation in HTML5, by PhET Interactive Simulations.
      TypeScript
      •
      GNU General Public License v3.0
      •5•2•3•2•Updated Apr 22, 2026Apr 22, 2026

    • build-an-atom

      Public
      "Build an Atom" is an educational simulation in HTML5, by PhET Interactive Simulations.
      TypeScript
      •
      GNU General Public License v3.0
      •10•12•7•0•Updated Apr 22, 2026Apr 22, 2026
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