diff --git a/jedi.el b/jedi.el
index df53b18..c6171c1 100644
--- a/jedi.el
+++ b/jedi.el
@@ -694,6 +694,33 @@ See also: `jedi:server-args'."
                   (run-hooks 'jedi:doc-hook)
                   (funcall jedi:doc-display-buffer (current-buffer)))))))))
 
+
+;;; All Python modules
+
+(defvar jedi:all-modules--value)
+
+(defun jedi:all-modules--get ()
+  (mapcar #'car (epc:call-sync (jedi:get-epc) 'get_all_modules nil)))
+
+(defvar jedi:module-names--source
+  '((name . "Jedi Python modules")
+    (candidates . jedi:all-modules--value)
+    (action . insert)))
+
+(defun jedi:importable-modules--helm (helm)
+  (let ((jedi:all-modules--value (jedi:all-modules--get)))
+    (funcall helm
+             :sources 'jedi:module-names--source
+             :buffer (format "*%s jedi:importable-modules*" helm))))
+
+(defun helm-jedi-importable-modules ()
+  (interactive)
+  (jedi:importable-modules--helm 'helm))
+
+(defun anything-jedi-importable-modules ()
+  (interactive)
+  (jedi:importable-modules--helm 'anything))
+
 
 ;;; Meta info
 
diff --git a/jediepcserver.py b/jediepcserver.py
index 589faf1..7b14596 100644
--- a/jediepcserver.py
+++ b/jediepcserver.py
@@ -156,6 +156,11 @@ def get_module_version(module):
             return version
 
 
+def get_all_modules():
+    import pkgutil
+    return [(name, ispkg) for (_, name, ispkg) in pkgutil.iter_modules()]
+
+
 def get_jedi_version():
     import epc
     import sexpdata
@@ -185,6 +190,7 @@ def jedi_epc_server(address='localhost', port=0, port_file=sys.stdout,
     server.register_function(goto)
     server.register_function(related_names)
     server.register_function(get_definition)
+    server.register_function(get_all_modules)
     server.register_function(get_jedi_version)
 
     port_file.write(str(server.server_address[1]))  # needed for Emacs client