ALICE Biodiversity Software: Database management system for managing data about taxa, species, genera, varieties and cultivars.
DeltaAccess: A SQL interface to DELTA, implemented in Microsoft Access 97.
Encyclopaedia Taxonomica: A hierarchical taxonomic database for biota of the world starting with a database for aquatic organisms in the Netherlands.
Expert Center for Taxonomic Identification: The Linnaeus II taxonomic content management system supports creating taxonomic databases, computer aided identification keys, interactive biogeographic maps, and literature and glossary databases in one hyperlinked environment.
Lucid: A system for creating, maintaining, distributing and playing interactive identification keys.
Meka: An interactive Multiple-Entry Key Algorithm to enable rapid identification of biological specimens.
PaleoTax: The program can give an overview of taxonomic and other information of a taxa group. Recorded data can be assessed or exported as RTF or HTML document.
PICKEY: An interactive multi-entry polychotomous key for identification of organisms by intensive use of images.
PollyClave: Multiple-entry identification keys.
TAXIS - Taxonomic Information System: Database management system for recording taxa, specimens, characters, and images. Also serves as an interactive identification system.