From binaries

You can find Binaries in the GitHub releases page, you have just to copy them into /usr/bin or /usr/local/bin!

From source (cargo)

Just run cargo install kelpdot to install the latest stable release with cargo

From Package Manager

Debian GNU/Linux

Kelpdot is avaible in repo installation guide

Arch GNU/Linux

KelpDot is avaible as kelpdot-bin on the AUR