The need of an approach for the definition of a platform-independent medical digital library, using only open-source tools, will be described. To test the need and the success of such an approach, a library will be created, which can later be used in a larger scale as a general purpose digital medical tool, when comes the need to evaluate an image. As a first test, the library will be used in the development of a tool aimed to aid doctors in otoplasty candidates’ evaluation. This tool shall be developed and tested first on a mobile platform, so the potential of the developed library can be tested on the most adverse situation. Also, the resulting library will be license free, making easier the collaboration of others in development and integration with other software, translating in a better spread of the library in medical practice

The need of an approach for the definition of a platform-independent medical digital library, using only 2 open-source tools, will be described. To test the need and the success of such an approach, a library will 3 be created, which can later be used in a larger scale as a general purpose digital medical tool, when comes 4 the need to evaluate an image. 5As a first test, the library will be used in the development of a tool aimed to aid doctors in otoplasty 6 candidates' evaluation. This tool shall be developed and tested first on a mobile platform, so the potential 7 of the developed library can be tested on the most adverse situation. Also, the resulting library will be 8 license free, making easier the collaboration of others in development and integration with other software, 9 translating in a better spread of the library in medical practice. 10 CCS Concepts 11• Medical imaging, mobile devices, digital medical tool. 12 Keywords 13Medical imaging, open-source, image analysis software library, digital medical tool.