Which XSLT processor
- XT is best because its the fastest - Saxon is best because it implements all the spec - Oracle is best because it has a C version alongside (incomplete) - Xalan is best because it it is politically correct (in Apache) - Microsoft is best 'cos its in the browser If Michael Kay's reported optimization changes in Saxon live up to expectations (ie it reaches the approximate speed of XT), I for one plan to switch to it from XT. Perhaps a downside (or strength, depending on your view) is that it has a single author who does it for "fun". The fact that James Clark seems to have gone entirely quiet with xt (ie it is still incomplete vis-a-vis the spec) shows the problem with that. If Microsoft release a version of their XSLT which 100% implements the spec, of course the picture changes dramatically.