TreeQ Vista is a professional application for the representation of functional annotations in a phylogenetic context created. Characteristics, such as phenotypic and genomic properties, interactively queried from a user-provided relational database with a user-friendly interface that provides a set of tools for users with or without SQL knowledge available. The query results are projected onto a family tree and can be displayed in multiple color groups. A rich set of browsing, grouping and query tools are provided to train to facilitate exploration, comparison and analysis. TreeQ Vista requirements: Java