check out these articles for presentations using Emacs, Vim/Neovim and VSCode
https://alpha2phi.medium.com/using-emacs-for-presentation-6e1df7ff63fc
https://alpha2phi.medium.com/using-vim-neovim-for-presentation-9d38a7ce6dc1
https://alpha2phi.medium.com/vscode-for-diagramming-and-presentation-b3c1dfb57aad