The ICMS Developer's Meeting is an international congress for which the main theme is mathematical software. The 2010 meeting was the third of a series of meetings of similar theme, the ?rst being held in Beijing, China in 2002,and the second in Castro-Urdiales, Spain in 2006. The ?eld of mathematics has numerous branches, and in each branch we ?nd that algorithms, and also implementations and applications of software s- tems, are studied. Researchers who endeavor to make such studies also have international meetings within their speci?c branches of mathematics, and these meetings have made signi?cant contributions to the ?elds in which they lie. The ICMS (International Congresseson Mathematical Software), on the other hand, is a general (not branch speci?c) meeting on mathematical software, which is held every four years, and is a rare opportunity for developers of mathematical softwarefrom di?erent branchesof mathematics, as well as mathematicians who are interested in mathematical software, to gather together.