When comparing Neocomplete vs vim-surround, the Slant community recommends Neocomplete for most people. In the question“What are the best plugins for programming/scripting in VIM?” Neocomplete is ranked 1st while vim-surround is ranked 2nd. The most important reason people chose Neocomplete is:
Noecomplete's author has made some very good plugins which are also actively maintained.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Good plugins
Noecomplete's author has made some very good plugins which are also actively maintained.
Cons
Con Active development has stopped
Neocomplete is no longer under active development. It's considered deprecated in favor of Deoplete, the newer and async version.
Con Neocomplete does not work with all Vim versions
It requires Lua support and the Lua driver.
Con No support for Julia
There's none to be found.
Con Autocompletion can be slow
Some users have reported that Neocomplete's autocompletion can be slower than other alternatives.