Documents: http://bioinf.shenwei.me/taxonkit (Usage, Tutorial)
Source code: https://github.com/shenwei356/taxonkit
Latest version: 
listlist taxon tree of given taxidslineagequery lineage of given taxids from file/stdinreformatreformat lineage
Go to Download Page for more download options and changelogs.
TaxonKit is implemented in Go programming language,
executable binary files for most popular operating systems are freely available
in release page.
Just download compressed
executable file of your operating system,
and uncompress it with tar -zxvf *.tar.gz command or other tools.
Email me for any problem when using taxonkit. shenwei356(at)gmail.com
Create an issue to report bugs, propose new functions or ask for help.