WH: EvolView, an online tool for visualizing, annotating and managing phylogenetic trees

EvolView is a web application for visualizing, anno-tating and managing phylogenetic trees. First, EvolView is a phylogenetic tree viewer and custom-ization tool; it visualizes trees in various formats, cus-tomizes them through built-in functions that can link information from external datasets, and exports the customized results to publication-ready figures. Second, EvolView is a tree and dataset management tool: users can easily organize related trees into distinct projects, add new datasets to trees and edit and manage existing trees and datasets. To make EvolView easy to use, it is equipped with an intuitive user interface. With a free account, users can save data and manipulations on the EvolView server. EvolView is freely available at