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Maxent is a free software based on the maximum-entropy approach for species habitat modeling. This software takes as input a set of layers or environmental variables (such as elevation, precipitation, etc.) and produces a model of the range of the given species. It uses species georeferenced occurrence locations ( presence-only data) which makes it very useful for taxonomists.



MEKA is an interactive Multiple-Entry Key Algorithm to enable rapid identification of biological specimens. Earlier versions of the program used a command-line interface. The version offered here is the first version developed to run under Windows. MEKA is controlled by mouse clicks; no text is entered. This approach allows very rapid access to program functions.


Melastomataceae occur in all tropical biomes, are abundant, ecologically important, and comprise many horticulturally important species. The family comprises an estimated 3,000 "good" species in the Neotropics, 240 in Africa, 230 on Madagascar, and about 1,000 in Asia. One genus, Rhexia, is endemic in North America. The sister clade of Melastomataceae, Memecylaceae, comprises 500 species, most of them in the paleotropics. The site Melastomataceae.Net will present information on the biodiversity of these two families by providing a portal to open-access databases, starting with MEL names. MEL names is a service for accessing the ca.

Mnemosyne: P2P Reference manager



MorphoBank is a web application for conducting phylogenetics or cladistics research on morphology. It enables teams of scientists who use anatomy to study the Tree of Life (phylogeny) to work over the web - in real time - and to do research they could not easily do using desktop programs alone. MorphoBank displays - over the web - dynamic phylogenetic matrices of morphological characters with labeled images demonstrating homology statements, and implements the data editing functions of widely used desktop programs (e.g., Mesquite, Nexus Data Editor) over the web in a password protected environment. It is an environment for virtual collaboration by teams of researchers building phylogenetic matrices with affiliated image data.


The ‘MorphoBrowser’ database and interface is a 3D visualisation and searching tool for mammalian teeth, accessible over the web. It allows the user to ‘browse’ through the diverse range of tooth morphologies found in mammals, both extinct and extant. While browsing, the three-dimensional shape of the teeth can be viewed from any direction by rotating and scaling the tooth.

Morphometric Software at Suny Stony Brook

The purpose of this directory is to make available programs useful for morphometric analysis. Contributions of additional software are welcome. Contact us with suggestions for improvements and with additional contributions to the morphmet archive. Click on the categories in the contents window (at the left) to obtain lists of available software. The platform required by each program (e.g., DOS, Windows, Mac, Unix) is indicated in red for each program.



NaviKey is a Java applet and application for accesssing descriptive data coded in DELTA format and has been implemented as:
  • a Java applet providing the contents of DELTA files (see example with the DELTA sample data files)
  • a stand-alone Java application for accessing DELTA files or PostgreSQL versions of DiversityDescriptions databases, respectively
  • a module ("plug-in") of the Java-based Diversity Navigator database client for accessing DELTA files or PostgreSQL versions of DiversityDescriptions databases, respectively




Omeka is an open-source collection management tools with a much more open approach. It is designed to allow the collection to be easily navigated while being hosted on the Internet. There is a large user community and many modules to be added. While it was not created with taxonomy in mind, it would be easy to adapt for any taxonomic needs.

Open Source Geospatial Foundation

The Open Source Geospatial Foundation has been created to support andbuild the highest-quality open source geospatial software. Thefoundation's goal is to encourage the use and collaborative developmentof community-led projects. This website serves as a portal for usersand developers to share their ideas and contribute to projectdevelopment. As the Open Source Geospatial Foundation grows andchanges, so will this website. Please check back often and sign up tothe mailing lists to monitor developments. To get involved, check out the Getting Started page.


The OpenModeller project aims to provide a flexible, user friendly, cross-platform environment where the entire process of conducting a fundamental niche modeling experiment can be carried out. The software includes facilities for reading species occurrence and environmental data, selection of environmental layers on which the model should be based, creating a fundamental niche model and projecting the model into an environmental scenario. A number of fundamental niche modeling algorithms are provided as plug-ins, including GARP, Climate Space Model, Bioclimatic Envelopes, and others.


PaleoTax is a database management system to record taxonomic, geographic and stratigraphic data in biology and palaeontology and dedicated to taxonomists. It allows users to give a complete overview on the literature, taxa, localities, stratigraphy, material etc. of one field of research (as a family, an order or a phylum). Instead taking data from the literature, sample data or field observations can be recorded. Recorded data can be assessed or exported as RTF or HTML document.


PANDORA is a database system for taxonomic and biodiversity research projects, such as floras or monographs.


PICKEY (Pictured Interactive Computerized biological KEY) is an interactive multi-entry polychotomous key for identification of organisms by intensive use of images. PICKEY is a most user-attractive part of the package BIKEY, which include a large set of programs for creation, analysis and subsequent perfection of computer keys, the initial information for this programs is stored in the form of data bases of most widespread and accessible format DBF for systems FoxPro, dBASE, FoxBase, Clipper, etc.


Search the Internet for References Search PubMed and Internet libraries worldwide from ProCite. Export references directly from Web of Science, Current Contents and Discovery Agent. Build your personal reference collection from hundreds of diskette, CD-ROM, Online and Web databases – reduce data entry. Manage Your References Organise your data using standard Windows and Macintosh navigational tools in ProCite. Link to the World Wide Web and capture Web pages into your ProCite database. Locate references in seconds with powerful searching options, such as contains, empty/not empty and more. Save search expressions and re-use them later. Create reference groups to identify a specific subset of a database.

Quantum GIS

Quantum GIS (QGIS) is a user friendly Open Source Geographic Information System (GIS) that runs on Linux, Unix, Mac OSX, and Windows. QGIS supports vector, raster, and database formats. QGIS is licensed under the GNU General Public License.

R-sig-Geo -- R Special Interest Group on using Geographical data and Mapping

A mailing list for discussing the development and use of R functions and packages for handling and analysis of spatial, and particularly geographical, data. The list also covers mapping and cartographic issues, and interfaces between R and geographical information systems.


Create key from Delta files. Rachis is an open-source application for the arrangement of entities in a hierarchical system (taxonomy), and an interactive key for the entities in that system. The development of Rachis is in a very early stage at the moment, but progressing at a reasonable pace.

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