To setup:
put scriptManager folder in C:\Users\Administrator\Documents\maya\scripts\scriptManager
To run it:
Maya 2011,2012,2013
Use the followed command in python tab of Maya script editor

#### Put it in Python tab #######
try:reload(scriptManager.doIt)
except:import scriptManager.doIt


#Main feaftures:
Catergory your mel or python scripts by system folders
Quick search specified files in keywords(the search can be filtered by the folder tree)
Create, view, and edit both mel and python script and folders also
For python, the packages, modules, classes, functions, imports and self values are catergoried in tree
For mel, procedures are catergoried by a list
Quick find text and replace
Bookmark system
Quick menus to get help
Many options for UI, you can find a best of your style
Files, folders you were work on is remembered automaticlly
Dynamic visbility of UI controls
Local area network supported
Easy adding script description
Dockable
Expression mode