These plugins will work standalone on many Linux OS, or directly on your ~/.zshrc
I'll list here the way to install them on Oh-My-ZSH but will list the repositories in
case you want to install them in other fashion.
To install on Oh-My-ZSH run the following:
git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions
For other installations check here.
To install on Oh-My-ZSH run the following:
git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting
For other installations check here.