Tcl has been improved a lot since the Tcl War (17 years ago!) including namespaces, module/package system, a native OO, a sane thread support, and Dicts. I am

Tcl has been improved a lot since the Tcl War (17 years ago!) including namespaces, module/package system, a native OO, a sane thread support, and Dicts. I am not sure if it is still true that Tcl doesn't scale well. By the way I wrote a toy, buggy and ugly scheme implementation in pure Tcl a year ago: http://wiki.tcl.tk/25512 http://wiki.tcl.tk/25512