Alternatives to Algodoo
A 2D physics sandbox where you draw objects and watch them move, collide and interact. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Algodoo
A 2D physics sandbox where you draw objects and watch them move, collide and interact.
Replacements
Listings that take over the same core job as Algodoo.
Step
A KDE interactive physics simulator for building two-dimensional experiments and watching them evolve.
Step is an open-source KDE physics simulator that also works in two dimensions and lets you edit properties while running, but it runs only on Linux.
PhET Interactive Simulations
Free interactive physics, chemistry and math simulations usable directly in the browser.
PhET Interactive Simulations runs ready-made physics, chemistry and math simulations in the browser with no signup, rather than letting you draw your own freeform scenes.
Similar software
Related functionality, not a direct replacement.
Universe Sandbox
A physics-based space simulator for experimenting with gravity, collisions, climate and stellar evolution.
Falstad Circuit Simulator
Explore electronic circuits through an interactive browser simulation.
GeoGebra
Free interactive math tools for graphing, geometry, 3D, algebra and calculus, used in browsers and apps.
Desmos
Free online graphing, scientific, geometry and 3D calculators, plus a math notebook.
