The ICWE 2010 Demo Track aims at providing visibility and a discussion forum to companies, universities, and developers for presenting software tools and early researches related to the field of Web Engineering. The session includes submissions about commercial tools, prototypes, open source software, and ongoing development: CASE tools, performance evaluators, code generators, model-driven Web engineering tools, semantic Web enabling tools, usability and accessibility evaluation tools, data management tools for Web applications, and any other tool that fits within the ICWE 2010 topics of interest. The 2010 edition was chaired by Marco Brambilla and Sven Casteleyn and got 26 submissions and accepted a total of 13 (=50%).