Websites targeting keyword phylogenetic trees

NeXML is a file format for encoding phyloinformatic data using XML.

The ETE toolkits is Python library that assists in the analysis, manipulation and visualization of (phylogenetic) trees.

MEGA is an integrated tool for conducting automatic and manual sequence alignment, inferring phylogenetic trees, mining web-based databases, estimating rates of molecular evolution, and testing evolutionary hypotheses.

The goal of the Open Tree of Life project is to make phylogenetic knowledge more accessible. This site will allow you to explore previously published tree estimates and synthetic estimates of phylogenies that are created from many datasets. You can help make the system more comprehensive by uploading trees or linking trees in the system to the data on which they are based.