IBM alphaWorks Emerging Technologies :

IBM XSL Formatting Objects Composer

NetRexx

Integrated Development Environment for Laszlo

Machine Translation

Web Services Validation Tool for WSDL and SOAP

Version 1.5 supports encrypted and digitally signed SOAP messages.

Emfatic Language for EMF Development

VoiceXML

New version implements most of VoiceXML 1.0 spec, and adds support for persistent caching of network resources.

OpenCL Development Kit for Linux on Power

OpenCL - The open standard for parallel programming of heterogeneous systems

Unstructured Information Management Architecture

UIMA SDK has been moved to Apache as Incubator OpenSource project. Two Apache UIMA components (SemanticSearch 2.1 and IBM UIMA wrapper) are still available here.