Fly­Ex­press, for Drosophila devel­op­ment study has received a 4-star (excellent) review in the Octo­ber 15, 2012, issue of Genetic Engi­neer­ing & Biotech­nol­ogy News,  www.Genengnews.com  (page 62).

www.flyexpress.net has “> 100,000 images depict­ing expres­sion pat­terns of > 4000 genes” over time.  There are var­i­ous ways to search this data­base, includ­ing the spa­tial search fea­ture based on GEMs, Genome Expres­sion Maps.