coc.nvim – Intellisense Engine for Vim8 and Neovim

It’s a completion framework and language server client which supports extension features of VSCode

Floating window requires master of neovim to work, follow the steps in the faq. Below are the reasons that led coc.nvim to build it’s own engine:

Completion from words of buffers and file paths are supported by default. And more, to get a full list of coc extensions, search coc.nvim on npm.

Source: github.com