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The ETE toolkit
A Python Environment for Tree Exploration
tree analysis image example

Tree exploration

Use ETE to write your own scripts for tree analyses and exploration

visualization image example

Tree Visualization

Get full control on your tree images and visualization

phylogenetic integration image example

Phylogenetic integration

Take full advantage of ETE when analyzing phylogenetic trees

Not a programmer?

A (BETA) version of the standalone ETE package, featuring a number of preconfigured scripts for tree analysis and visualization, is available for download and as a web-based resource (work in progress).

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News and Announcements

ETE is developed as an academic free software tool. If you find ETE useful for your work, please cite:

Jaime Huerta-Cepas, Joaquín Dopazo and Toni Gabaldón. ETE: a python Environment for Tree Exploration. BMC Bioinformatics 2010, 11:24. doi:10.1186/1471-2105-11-24

Support mailing list: etetoolkit@googlegroups.com


The ETE Toolkit was originally developed at the bioinformatics department of CIPF and greatly improved at the comparative genomics unit of CRG. At present, ETE is maintained by Jaime Huerta-Cepas at the Structural and Computational Biology unit of EMBL (Heidelberg, Germany).