Not all of these links will necessarily work, if you've not generated their reports. Also, the various versions of these processors should each get some historical reportage. Conformance can improve over time; component upgrades may not be very useful.

• Ælfred2 Nonvalidating Validating
• Microsoft: IE5.5 (Nonvalidating, Validating), May 2000 Preview (Nonvalidating, Validating)
• Oracle Nonvalidating, Validating
• Sun Nonvalidating, Validating
• Xerces/COM Nonvalidating Validating
• Xerces/Java Nonvalidating Validating

Obsolete or Desupported XML Processors include:

• Ælfred 1.2a (Java; nonvalidating)
• DataChannel DCXJP (Java)
• Lark Beta1 (Java; nonvalidating)
• Microsoft Microsoft XML (MSXML) for Java (bundled with recent JVMs from Microsoft)
• SXP 0.8 (Java)
• XP 0.5 (Java; nonvalidating)