EpiData is a computer program for data entry and documentation.
EpiInfo for Windows
EpiInfo pages at CDC. A DOS version of EpiInfo is available from this site.
The R Project for Statistical Computing
R is an environment for data-analysis and graphics similar to S-Plus.
Free, open source, cross-platform, network-enabled tools for epidemiology and public health practice.
Linux sample size and power calculator
Philippe Glaziou has a sample size calculator (sampsize) for Linux / Unix. Features include finite population correction, exact methods to compute the sample size required to observe a minimum number of events, sample size and power for one-sample and two-sample comparative studiess, correction for complex sampling designs, sample size and power of unmatched and matched case-control studies, minimum and maximum detectable odds-ratio of case-control studies. This is a command line program. A web-interface (written in perl) is provided and is implemented here.
Valid International (VALID) is a private consultancy firm specialising in improving the quality and accountability of humanitarian assistance. Brixton Health is a VALID implementing partner.
Global Social Change Research Project
Resources for Methods in Evaluation and Social Research.
Free Statistical Software
Classified links and reviews for free statistical software. A related site providing Free Resources in social research methods may also be of interest.
Links to Epidemiology Software
Links to Epidemiology Software at Vitalnet Software.
Resources for mathematical epidemiology.