These provide XML parsing, DOM scripting and XSLT transformations for the Tcl language.
Now mainly working on implementing XPath 2.0 and XSLT 2.0 in libxml2 and libxslt.
Also developer of non-Tcl packages for XML and XSLT, eg. XSLTSL (XSLT Standard Library), SCMS (Simple Content Management System).
Wrote the BOOK Web TCL Complete.
Also wrote Plume (a WWW browser) and various other Open Source applications.