Tcl binding to VISA (Virtual Instrument Software Architecture) API. It is linked to Tcl as a standard extension following Tcl Extension Architecture (TEA) conventions.
See VISA specs. on IVI Foundation page: http://www.ivifoundation.org/specifications/default.aspx
TEA specs. can be found here: http://www.tcl.tk/doc/tea/
You can download file releases of tclvisa project from List of release files
System RequirementsOperating System: MacOSX, FreeBSD, Linux, Windows 7, Windows NT/2000, Windows Vista, Windows XP
List of release files