Examples of none LSP extensions.

coc-emmet completion of emmet.

coc-highlight highlight document words and colors.

coc-lists some common lists.

coc-pairs insert pairs automatically like VSCode.

coc-snippets snippets solution.

coc-yank yank highlights and lists.

coc-git git chunks, git status and some git lists.

Some of them are not quite featured so please read the documentation and make your choice.

Search coc.nvim on npm to get the full list.