VAST Platform (VA Smalltalk) Features

The VAST Platform is a modern software development environment that is IBM® VisualAge® compatible. VAST enables developers to quickly construct applications that are portable, highly scalable, simple to maintain, and fit easily into existing infrastructures.



Development Tools

A rich set of development tools contains debuggers, browsers, inspectors, application builders, a performance monitor, and all the browser extensions of the award-winning VA Assist™ technology including:

  • Code Assist:
    • Auto-completion
    • Interactive refactoring
    • LINT checker
  • Scintilla advanced code editor (Windows)
  • Multi-lingual Workspace
  • Spell checking & auto-correction
  • Tabbed browsers
  • Enhanced debugger & inspectors
  • Locate applications and dependents
  • Enhanced composition editor
  • Preference settings framework consolidates preferences location, handling, and documentation
  • Logging framework provides rich, customizable support for creating development time and runtime logs
  • Compression streams for DEFLATE, Gzip, LZ4, Brotli, ZStandard and Zip archives (Zip64 Support) using a unified API
  • Packager creates minimal 32 and 64-bit runtime images composed of only necessary classes
  • Reports feature enables the creation of hard copy and/or screen reports on any object that can be used in the VA Smalltalk environment, including parts provided in the Database and Communications features (Windows only)
  • Server Workbench is a cross-development environment used in developing distributed processing, web hosting, and other server applications. Target deployment environments include all VA Smalltalk platforms
  • Security framework provides a rich set of cryptographic primitives such as message digests, ciphers, public/private key, digital signatures/enveloping, secure random number generation, key derivation, and secure arenas

User Interface

  • Common programming interface to native platform widgets
  • HiDPI Support for Windows
  • Extra Windows-specific widgets including Scintilla text widget
  • Custom controls based on popular WidgetKit technology


  • GLORP support lets you easily read and write Smalltalk objects from relational databases
  • Powerful DB2, Oracle, PostgreSQL and SQLite support
  • ODBC interface support


  • MQSeries support.
  • Comprehensive IMAP and SMTP client support
  • Socket Communications Interface, an API providing full support for TCP/IP V4/V6 protocols, plus secure communications using SSL through the crypto APIs
  • Seaside provides a framework and tools for quickly building highly interactive and sophisticated web applications
    • Seaside support includes Seaside Core, REST, HTTPS, jQuery, Scriptaculous, RSS, and several other development tools
  • Server Smalltalk (SST) provides a client/server framework flexible enough to accommodate various distributed architectures
  • Web Services is a self-contained, modular framework for accessing and hosting Web Services with tools for creating and deploying them

External Interface Support

  • JSON Support enables JSON–Smalltalk object mappings and parsers for this ubiquitous format for the web
  • STON (Smalltalk Object Notation) support provides a lightweight, text-based human-readable data-interchange format
  • XML support enables XML–Smalltalk object mapping featuring a server interface via XML request handlers
    and reading of remote resources utilizing TCP sockets and HTTP requests
  • CSV support for the popular comma-separated value data-interchange format
  • OLE support enables an application to use OLE clients and custom control services
  • Domino connection allows an application to retrieve and work with Domino documents as well as access Notes mail system
  • AsyncCallout, an extension of the platform function API, allows developers to make a platform function call in a separate operating system thread
  • Native interface support provides platform-adapting OSObjects to facilitate the generation of native binding

Platform Support

Supports current versions of operating systems including Windows, Linux, Solaris*, and AIX*:

  • Microsoft® Windows® 10, 8.1, 8, 7, Vista, Server 2019, Server 2016, Server 2012 R2, Server 2008 R2
  • Red Hat® Enterprise 8, Enterprise AS 2.1, OpenSuSE 10-15.1, Ubuntu® 7-19, Fedora® Core 14-30
  • Sun® Solaris® 8, 9, and 10
  • AIX® 5L v5.3 and AIX v6.1
*Supported by VAST 8.6.3
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What’s New

Learn what's new in VA Smalltalk


Download the VA Smalltalk datasheet

Version History

See the history and product roadmap for VA Smalltalk