» ADE-4
   Exploratory and Euclidean methods in Environmental sciences.
   http://pbil.univ-lyon1.fr/ADE-4/

» Across Trophic Level System Simulation
   A simulation system for the Everglades and Big Cypress Swamp (USA).
   http://atlss.org/

» Biota
   Microbial Ecology Resources' software; this particular item will run simulations of multiple species in a specific environment. Most variables can be manipulated.
   http://commtechlab.msu.edu/sites/dlc-me/resources/rs_4.html

» Biovol
   Program for calculating the volumes, surface areas, and surface to volume ratios of diatoms.
   http://www.msu.edu/~kirschte/biovol

» CODA: Conservation Options and Decisions Analysis
   CODA is a free software package for nature conservation planning.
   http://members.ozemail.com.au/~mbedward/coda/coda.html

» CyberTracker
   Free software for data collection and analysis in ecological and environmental field work.
   http://www.cybertracker.org/

» Didg Information Systems
   Mobile, desktop and internet information systems for recording, identifying and brokering plant and animal observations.
   http://didg.com

» Diversidad
   Scans digital earth images and automatically identifies areas with both high and low biodiversity.
   http://home.att.net/~podolsky/divcov.htm

» ECOSIM : Ecosystem Simulation
   Information and links concerning ecological modeling and application of simulation to ecology.
   http://www.isima.fr/ecosim/

» Ecological Software Solutions
   Software for biology, ecology, geography, wildlife fisheries and the environmental sciences.
   http://www.ecostats.com

» Ecology Educational Software
   Free educational software for college-level ecology courses plus links to many additional software sites.
   http://www.iup.edu/~rgendron/software.htmlx

» Ecomaster and Cascoly Critters
   Software: Ecology and biology simulations for all ages
   http://cascoly.com/science.htm

» Ecotools
   Information about tools to support the modelling and simulation of individual-oriented ecological models.
   http://www.offis.de/projekte/projekt_e.php?id=140

» Environmental Design Making
   Microbial Ecology Resources' software designed for students. Allows students to create ecosystems to gain understandings of ecosystem functionality and productivity.
   http://commtechlab.msu.edu/sites/dlc-me/resources/rs_5.html

» Forager
   PC software for feeding behavior simulation, calculation, and tabular and graphical presentation for publication.
   http://www.amberwaves.com/forager/

» Fossil Creek Software
   Describes and offers POP-II and POP-III population dynamics software, which is used by government and university wildlife biologists to simulate the dynamics of deer, elk, moose and other large animal populations.
   http://weba.viawest.net/~fcs/p2/index.html

» Gecko
   Yale software; downloadable demo available for this software. Designed to teach ecosystem dynamics to advanced ecology students.
   http://www.cbc.yale.edu/old/cce/gecko.html

» Jensen Software Systems
   MultiTrace analyzes data origined from various data-loggers (e.g. TDR).
   http://www.jensen-software.com/

» KiteGraph
   KiteGraph illustrates growth patterns of animal populations in kite diagrams.
   http://home.swipnet.se/kitegraph/

» KrebsWin
   Programs from Ecological Methodology by Charles J. Krebs, compiled to run under Windows 3.x and Windows 9x.
   http://www.biology.ualberta.ca/jbrzusto/krebswin.html

» LemnaTec Image Processing
   Bio-testing for potentially hazardous substances using image processing of cultured Lemna.
   http://www.lemnatec.de

» MjM Software Design
   PC-ORD software for multivariate statistical analysis of ecological communities, including cluster analysis, ordination, and species diversity.
   http://home.centurytel.net/~mjm/

» Oakleaf Systems
   Simulations of data based upon relationships presented in the journal Ecology, with 25 different simulations for each journal volume.
   http://www.oakleafsystems.net/

» Patuxent Software Archive
   Site contains software for ecological management, including tagging game and ecosystem analysis.
   http://www.mbr-pwrc.usgs.gov/software.html

» Pisces Conservation Ltd
   Information about ecological software and consultancy services.
   http://www.pisces-conservation.com/

» Pollen-based Climate Reconstruction
   Windows software that provides quantitative climate reconstruction from pollen spectral datasets.
   http://dendro.naruto-u.ac.jp/~nakagawa/

» Population Ecology
   Online quantitative population ecology lectures and population model and data information.
   http://www.ento.vt.edu/~sharov/

» Populus - Simulations of Population Biology
   Software containing set of simulations used to teach population biology and evolutionary ecology at the University of Minnesota. Freely downloadable for educational use.
   http://www.cbs.umn.edu/populus

» Program Distance
   Distance is a software program designed for the analysis of distance sampling data, to estimate density and abundance of a population.
   http://www.ruwpa.st-and.ac.uk/distance/

» RAMAS Ecological and Environmental Software
   Offers software for ecology, conservation biology, wildlife management, and human health risk analysis. Data analysis for endangered and threatened species, models of extinction risk assessment linked to geographic information systems.
   http://www.ramas.com

» RHABSIM
   RHABSIM (Riverine HABitat SIMuation) is a fully integrated program for river hydraulics and aquatic habitat modeling using the Instream Flow Incremental Methodology (IFIM). Running in Microsoft Windows and DOS, it is an extensive conversion of the PHABSIM
   http://www.northcoast.com/~trpa/index.html

» Simfor
   A decision support tool designed to help managers and researchers evaluate the impacts of forest harvesting scenarios against landscape and habitat indicators.
   http://www.forestry.ubc.ca/simfor/

» WWW-Server for Ecological Modelling
   Information about ecological modelling (simulation models, descriptions of these models, simulation-software, data sources and other information about modelling). Many ecological models available for downloading; researchers are invited to upload their m
   http://dino.wiz.uni-kassel.de/ecobas.html

» Wa-Tor for Windows
   Site offers a population ecology simulation game pitting sharks against fish. The populations may fluctuate or may go extinct, depending on the initial parameters and subsequent random events.
   http://www.kovcomp.co.uk/wator/

» Wildlife Counts
   Software to help estimate populations of birds and fish in an ecosystem.
   http://www.wildlifecounts.com/

» Wildlife Ecology Software
   A clearing-house for wildlife ecology related software, for applications such as habitat analysis, diversity indices, simulations, general population dynamics, capture/recapture, survival, energetics, statistics, home range, and telemetry.
   http://nhsbig.inhs.uiuc.edu/

» WorldMap
   Software for exploring geographical patterns in diversity, rarity and conservation priorities from large biological datasets.
   http://www.nhm.ac.uk/science/projects/worldmap/worldmap/demo2.htm