Information on ObjectStudio, VisualWorks, VisualSmalltalk Enterprise; general Smalltalk information and success stories.

Official Page at Smalltalk.org: very brief description, 8 links to varied resources. [Open Source, GPL]

Smalltalk-80 implementation, runs on most Unix types and most places with a POSIX compliant library, well suited to scripting tasks and headless processing. Part of GNU Project of Free Software Foundation, FSF. [Open source, GPL]

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...

Smalltalk-based pure object-oriented environment to work with Mac OS X software. Innovations: high-level model for object manipulation, powerful object browser. Developed from scratch for the Objective-C object model. Highly integrated with Cocoa, nat...

sharp-Smalltalk compiler implements Smalltalk to run natively on .NET framework, allows using classes from normal .NET programs; class library is mostly compatible with ANSI Smalltalk. [Open Software License]

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]

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

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.

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