Symbols View package

Display the list of functions/methods in the editor.

If your project has a tags/.tags/TAGS/.TAGS file at the root then following are supported:

Command	Description	Keybinding (Linux)	Keybinding (macOS)	Keybinding (Windows)
`symbols-view:toggle-file-symbols`	Show all symbols in current file	`ctrl-r`	`cmd-r`	`ctrl-r`
`symbols-view:toggle-project-symbols`	Show all symbols in the project	`ctrl-shift-r`	`cmd-shift-r`	`ctrl-shift-r`
`symbols-view:go-to-declaration`	Jump to the symbol under the cursor	`ctrl-alt-down`	`cmd-alt-down`
`symbols-view:return-from-declaration`	Return from the jump	`ctrl-alt-up`	`cmd-alt-up`

This package uses ctags.

atom/symbols-view