Pharo is a dynamic reflective pure object-oriented language supporting live programming inspired by Smalltalk.

The framework for developing sophisticated web applications in Smalltalk.

Newspeak is a live object-capability language in the Smalltalk tradition

GNU Smalltalk

Block-style programming environment for multi agent system, based on MIT Scratch.

This is the VM used by Pharo

Alan Borning's graphical constraint solver from the late 70s, running on our Smalltalk-78 JavaScript VM.

Metacello is a package management system for Smalltalk

Squeak Object Tracker - Version control for arbitrary objects, currently with Git storage

Open Croquet for Squeak 5.x

A Squeak/Smalltalk implementation of the metaprogramming framework Ohm.

Smalltalk VM built on top of Java

Work on Metacello has moved to:

An implementation of the Newspeak programming language