SweetRules
- addition of a SWRL to RuleML translator is a high priority
- RuleML to SWRL is less important
- support for SWRL FOL desirable
- Hoolet, JTP, and SNARK seem best positioned
- Hoolet uses SWRL RDF - an RDF syntax hasn't yet been defined for SWRL FOL
- other engines: JDREW and Mandarax for RuleML