Algodoo — Phun

Developed in 2008 by Emil Ernerfeldt for his Master’s thesis at Umeå University in Sweden, Phun was originally a free, 2D simulation tool designed to make physics experiments accessible and engaging.

He called it (a play on "physics" and "fun"). phun algodoo

Available in , including English, German, Spanish, French, Japanese, Chinese (Simplified and Traditional), and Korean, Algodoo has a truly international user base. Developed in 2008 by Emil Ernerfeldt for his

: Create lasers, lenses, and prisms to study refraction, reflection, and rainbows. : Create lasers, lenses, and prisms to study

When Phun was first distributed online, it spread rapidly through word-of-mouth. Its aesthetic was minimalist and childlike, yet the underlying math was incredibly accurate.

Unlike many educational software projects that stagnate, Algodoo continues evolving. Recent updates in (v2.2.4 for iPad) demonstrate the developers' ongoing commitment to the platform.