| 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. |
Classical
