Geolocation toolbox by Martin Pedersen

http://www2.imm.dtu.dk/~mawp/?Geolocation_toolbox

A toolbox in Matlab using hidden Markov models

tripEstimation by Michael Sumner

http://cran.r-project.org/web/packages/tripEstimation/index.html

Metropolis sampler and supporting functions for estimating animal movement from archival tags and satellite fixes