Smalltalk Archeology Archive - Has old variants: Apple Smalltalk-80, Digitalk Methods and Smalltalk/V; descriptions, screenshots, downloads, documents. - http://bitquabit.com/~revaaron/old/
Cincom Smalltalk - Information on ObjectStudio, VisualWorks, VisualSmalltalk Enterprise; general Smalltalk information and success stories. - http://www.cincomsmalltalk.com/userblogs/cincom/blogView
VistaScript - Scripting environment for Microsoft Internet Explorer 7 and Vista. Documents, demonstrations, - http://vmx-net.com/vistascript/docuwiki/doku.php
Strongtalk - 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] - http://strongtalk.org/
F-Script Home - 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, native - http://www.fscript.org/
LSWVST.Net - 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. - http://www.lesser-software.com/en/content/products/lswvst/lswvst-net.htm
Ambrai, Inc. - Makes Ambrai Smalltalk, rapid application development platform to make new, or script extant, Mac OS X programs. Descriptions, documents, downloads, contact page. - http://www.ambrai.com/
StepTalk - Weblog on scripting, StepTalk development. - http://steptalk.blogspot.com/
Minimal: Tiny Smalltalk - Download for VSTa operating system, tar file. - http://www.vsta.org/distro/current/small.tz
LSW Vision-Smalltalk - A Smalltalk with deep Windows integration and a .NET interface. [Commercial] - http://www.lesser-software.com/lswvst.htm
#Smalltalk - 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] - http://www.refactory.com/Software/SharpSmalltalk/
Satori - To be a superset of Smalltalk-80 with optional variable typing, to allow typechecking of variables and static binding of methods. Typechecking helps ensure type-safe code. Static binding cuts runtime expense, for more speed. - http://www.zenspider.com/Satori/
GemStone/S - Smalltalk application server, integrates well with Java, CORBA, relational databases. - http://www.gemstone.com/products/smalltalk/
AmigaTalk - Versions of Little Smalltalk for Amiga PC, not a full or compatible dialect, mainly for learning. [JimBot] - http://www.frontiernet.net/~jimbot/amigatalk.htm
GNU Smalltalk - Official Page at Smalltalk.org: very brief description, 8 links to varied resources. [Open Source, GPL] - http://www.smalltalk.org/versions/GNUSmalltalk.html
Pocket Smalltalk - Makes programs for PalmPilot, other Palm OS handhelds. Development environment runs on Linux, MacOS, OS/2, and Windows 95/98/NT/2000. Cross-compiler generates executable .PRC files from source code. [Open Source] - http://www.pocketsmalltalk.com/
PIC/Smalltalk - Custom Smalltalk variant for the PIC microcontroller to run the MicroSeeker autonomous underwater vehicle. - http://www.huv.com/uSeeker/smalltalk/pic.html
Minimal: Little Smalltalk - 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] - ftp://ftp.cs.orst.edu/pub/budd/little/index.html
Object Connect: Smalltalk MT - 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 execu - http://www.objectconnect.com/