- Come in two flavours:
- Basic XSLT Processor, such as Saxon's free offering
- Schema-Aware Processor, such as Saxon's commercial offering
- Saxon is the main implementation, only one nearly complete
- IBM's XSLT Processor, next best
- Anonymous: some undefined company is taking part in the XSLT test suite assessment
-
Gestalt: http://gestalt.sourceforge.net/
- Stylus Studio provides some CR support
- Altova and Oracle have some support
- I use Saxon 8 or 9 for testing XSLT 2.0 examples