You can download your raw SNP-call data from them and run it through a plethora of third-party programs. Won't have the slick interface or the collation of multiple SNPs that affect the same trait but definitely tells you what you want to know about Mendelian diseases and you can sift through the rest.
See http://www.23andyou.com/3rdparty for some of the tools.
Thanks a lot!
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