The Sympraxis Team has contributed its first overview article to the BUILD UP portal. Overview articles represent one of the most popular types of content in BUILD UP. They provide a structured introduction to a specific subject, with a good number of references for everyone who wants to know more details. In addition to their publication in the portal, overview articles are promoted at the homepage and sent to 27.000+ recipients of the BUILD News Alert. The Sympraxis Team’s overview article takes a look at the evolution of software tools supporting the improvement of energy efficiency in buildings and has already received more that 1.500 visits.