The immersive programming experience

Pharo is a pure object-oriented programming language and a powerful environment, focused on simplicity and immediate feedback (think IDE and OS rolled into one).

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Learn more about Pharo's key features and elegant design.

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A glimpse of Pharo

>  \$ wget -O- https://get.pharo.org/64 | bash 
>  \$ ./pharo Pharo.image eval "42 factorial"

Teaser

Simple & powerful language: No constructors, no types declaration, no interfaces, no primitive types. Yet a powerful and elegant language with a full syntax fitting in one postcard! Pharo is objects and messages all the way down.
Live, immersive environment: Immediate feedback at any moment of your development: Developing, testing, debugging. Even in production environments, you will never be stuck in compiling and deploying steps again!
Amazing debugging experience: The Pharo environment includes a debugger unlike anything you've seen before. It allows you to step through code, restart the execution of methods, create methods on the fly, and much more!
Pharo is yours: Pharo is made by an incredible community, with more than 100 contributors for the last revision of the platform and hundreds of people contributing constantly with frameworks and libraries.
Fully open-source: Pharo full stack is released under MIT License and available on GitHub

... more on the the Pharo Features page.