Just to be clear, Vim has had built-in spelling checker since v7.0 (released 2006). The LanguageTool plugin may be handy for spelling and other grammar checking

Just to be clear, Vim has had built-in spelling checker since v7.0 (released 2006). The LanguageTool plugin may be handy for spelling and other grammar checking issues but users requiring straight-forward spelling functionality will most likely have essential spell-checking features available out-of-the-box.