Symbols View package 
Display the list of functions/methods in the editor via cmd-r in Atom.
If your project has a tags/.tags/TAGS/.TAGS file at the root then
following are supported:
| Command | Description | Keybinding (Linux) | Keybinding (OS X) | 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.
