Which Master’s in Computer Science in Ireland is the best one? 

There are several excellent Master's programs in Computer Science in Ireland, and choosing the "best" one depends on your individual preferences, goals, and interests. Here are some of the top Master's programs in Computer Science in Ireland, according to QS World University Rankings:

1. Trinity College Dublin - MSc in Computer Science
2. University College Dublin - MSc in Computer Science (Conversion)
3. National University of Ireland, Galway - MSc in Computer Science
4. University of Limerick - MSc in Computer Science
5. Dublin City University - MSc in Computer Science

However, keep in mind that the rankings are just one factor to consider when choosing a program. You should also consider the curriculum, faculty, research opportunities, location, cost, and other factors that are important to you. 

We recommend researching each program thoroughly and speaking with current students and alumni to get a better sense of which program aligns best with your goals and interests. 

Also, check out: Computer science masters you can study in Ireland