I lean on dired mode (replaces the file tree) and rgrep (searching across files in a project) a lot. There's a multiple cursors package I've been meaning to che

I lean on dired mode (replaces the file tree) and rgrep (searching across files in a project) a lot. There's a multiple cursors package I've been meaning to check out that seems like it emulates the behavior in Sublime. Web mode is good for working with embedded JavaScript and or *.erb files.