There are 2 repositories under languageclient topic.
Check syntax in Vim/Neovim asynchronously and fix files, with Language Server Protocol (LSP) support
Language Server Protocol (LSP) support for vim and neovim.
Vim plugin for C/C++/ObjC semantic highlighting using cquery, ccls, or clangd
Adds support for RLS to Atom
vim-liq is a vim client for the Language Server Protocol (LSP).
Neovim configuration kickstarter