GetTcl
From Eggdrop Wiki
On this page, we'll have a few lightweight ways to install Tcl on your server as root.
If you want to install Tcl on your shell as a user, you should read the Local Tcl article.
Below are some easy ways to install Tcl on your OS using install managers, but if you prefer you can download the sources and compile it yourself.
FreeBSD
cd /usr/ports/lang/tcl85 && make install
CentOS
yum install tcl
