The 3rd Estonian-Latvian Systems Biology Meeting ‘LATEST III’ was held in Tartu, Estonia on December 12th 2018. This was the third time after meetings in 2009 in Tartu and 2011 in Tallinn when systems biologists from Estonia and Latvia meet to present and discuss their latest systems biology activities. As in previous times, both experimental and computational research on different organisms, systems etc. was be covered. We have planned to continue this tradition and the next meeting should be in Latvia…