Lucid is a product of the Centre for Biological Information Technology at the University of Queensland. It is a flexible and powerful knowledge management tool that helps users to make an identification or diagnosis.
DELTA (DEscription Language for TAxonomy) was developed by biocollections.org. It is a flexible method for encoding taxonomic descriptions for computer processing. DELTA-format data can be used to produce natural-language descriptions, conventional or interactive keys, cladistic or phenetic classifications, and information-retrieval systems.