rails.vim
rails.vim: Ruby on Rails power tools
...It also augments Vim’s built-in file navigation (for example via gf) so that links in embedded Ruby templates or route definitions can open the correct destination. In addition to navigation, the plugin provides commands to generate scaffolding, migrate the database, switch environments, and so on, making many common Rails tasks accessible without leaving the editor. The plugin emphasizes staying within Vim and minimizing context-switching, which boosts productivity for Rails developers.