ALICE Biodiversity Software
Database management system for managing data about taxa, species, genera, varieties and cultivars.

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 managment system supports creating taxonomic databases, computer aided identification keys, interactive biogeographic maps, and literature and glossary databases in one hyperlinked environment.

Digital Taxonomy
An attempt to present a wide-ranging resource of information for biodiversity data management in the World Wide Web, and promote the effective use of computers for handling biological software development projects.

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.

TAXIS - Taxonomic Information System
Database management system for recording taxa, specimens, characters, and images. Also serves as an interactive identification system.

PICKEY
An interactive multi-entry polychotomous key for identification of organisms by intensive use of images.

Meka
An interactive Multiple-Entry Key Algorithm to enable rapid identification of biological specimens.

Lucid
A system for creating, maintaining, distributing and playing interactive identification keys.

DeltaAccess
A SQL interface to DELTA, implemented in Microsoft Access 97.

PollyClave
Multiple-entry identification keys.