The idea is to understand what our project should do to really aggregate in this subject, and one way todo that could be analise 'competitors'. The task is to fund some projects and survey its nice features and/or missing features.
Article: http://www.plugbr.net/aplicativos-ajudam-bancos-de-sangue-salvar-vidas-app-avisa-doador-estoques-de-tipos-de-sangue-agenda-coleta-retorno-e-urgencias/