XmlSorter features:

• sort all XML-nodes and all XML-attributes alphabetically
• remove duplicate XML-nodes and XML-attributes
• do sorting for a single file, or in all folders and sub-folders for files with specified extensions
• exclude XML-nodes from sorting

Use for Beckhoff TwinCAT project files:

• run with the following options (example batch-file is included):
  XmlSorter.exe "<solution_folder>" "tsproj;xti;plcproj" "Device"