Strongly-typed, full rework of Smalltalk-80. Advanced inlining type-feedback compiler makes it far faster than other Smalltalks, optional type system makes it easier to understand. History, downloads, documents, FAQ. [Open Source, Sun]

Weblog on scripting, StepTalk development.

Smalltalk interpreter for GNUstep, used mainly as scripting framework to make scriptable servers or programs, to script GNUstep applications, or to talk to registered distributed objects, and work well with Objective-C. [Open Source, GPL]

Has old variants: Apple Smalltalk-80, Digitalk Methods and Smalltalk/V; descriptions, screenshots, downloads, documents.

Custom Smalltalk variant for the PIC microcontroller to run the MicroSeeker autonomous underwater vehicle.

High quality development tools for Windows market: innovative, high-performance, small runtime image, fully multithreaded. Interactive development environment with no sacrifice of runtime performance and deliverable size: compact, fast, royalty-free e...

Download for VSTa operating system, tar file.

Very small, interpreter under 1, 800 lines, has no graphics. Topic of classic Addison-Wesley book 'A Little Smalltalk'. Both by Timothy Budd, Oregon State University. [Free for non-commercial use]

Pure .Net Smalltalk, Win32 counterpart uses CLR moniker to integrate with .NET, integrates deeper than other Smalltalks. Runs on: all .NET platforms (DotGNU, Microsoft .NET, Mono), varied processor architectures, the Compact Framework.

A Smalltalk with deep Windows integration and a .NET interface. [Commercial]