Title:VOM: szabad felhasználású ortopédiai tervező és mérő szoftver
SUMMARY The authors developed a software helping perform quantitative diagnostic and planning tasks in veterinary oprthopaedic. The application provides functions to calibrate the digital radiogram, measure distances and degrees on that, draw lines with a given degree, identify crossing point of two lines or the circumcenter of a triangle defi ned by three points. The tool is free to use and modify, platform independent, open source. The installer for Microsoft Windows operation system and the source code of the tool is downloadable from the site http:// solymosin.github.io/vom/ and https://github.com/solymosin/vom, respectively. The author presents the software functionality by three practical applications.