HTTPS SSH
The preferred way of installing is via R devtools package:

devtools::install_bitbucket('tzakharko/ToolboxSearch)

You can also download the tip and install from source:

R CMD install ToolboxSearch

Binary packages:

See download section at https://bitbucket.org/tzakharko/toolboxsearch/downloads

OS X users can download the binary package ToolboxSearch_0.1-0.tgz
Windows users can download the binary package ToolboxSearch_0.1-0.zip

Warning: the binary packages might be outdated. Prefer to install from source.