ReNamer is a very powerful and flexible file renaming tool, which offers all the standard renaming procedures, including prefixes, suffixes, replacements, etc

Ant Renamer is a free program that makes easier the renaming of lots of files and folders at once.

Flexible Renamer is a free tool for renaming files and folders, either singly or in large batches, including subfolders.

Bulk Rename Utility takes the pain out of renaming and managing files and folders, assuming you can get past the frightening user interface.

NameChanger is designed for the sole purpose of renaming a list of files. To install just download the zip, open it and drag the app to your Applications Fold…

Rename Master is a bulk renaming software.