resSpecies
resSpecies is a web-based system designed to handle data from genetic linkage mapping, quantitative trait locus (QTL) mapping and genetic association studies. It is implemented as a java web application running on top of a postgres database management system.
The system is free to use for academics - we provide username/password-based protection of data to restrict access to colaborators and are currently developing the system to provide post-publication access to accession-based data sets in order to simplify the publishing and data-sharing process.
You can try out the system for yourself at the resSpecies website