This release contains 21 free features including:

• Case Check
• Renumber
• Wall Filter
• Find Rooms
• FTP Login
• Convert

Here are some direct links to the setup files:

Revit 2012 – Windows 7 and Vista

Revit 2012 – Windows XP

Revit 2011 – Windows 7 and Vista

Revit 2011 – Windows XP

PDF description of the Tools

Here is a link to the main page for these tools:
Charlotte’s Revit User Group