The objective of the thesis was to build a digital assistant with built-in AI. A study was carried out about which system can be used and how. Investigate about AI was carried out, as well as the possibilities to integrate it to the digital assistant.

The reason for developing a digital assistant was to provide an open source digital assistant with a custom experience to the users. This digital assistant is focused on the cities of Alcoi (Spain) and Lahti (Finland), and, by that, the user obtains a better use experience compared with the use experience provided by the traditional digital assistants in these concrete paces.

The key findings of this research were, that it is possible to build the desired digital assistant but, to obtain an advantage over the traditional digital assistants, a lot of resources and time are required. The conclusion was, that bringing to users a better treatment in specific places, Alcoi and Lahti in this case, comparing with the big businesses (Google, Apple, Microsoft and Alexa) is completely possible.