Bulk Rename Utility - Bulk Rename Utility: Free File Rename Utility for Windows. Bulk Rename Utility allows you to easily batch rename files and folders based upon many flexible criteria. Free Download.
ReNamer - ReNamer is a very powerful and flexible file renaming tool, which offers all the standard renaming...
Ant Renamer - Ant Renamer can rename large amounts of files and folders in few clicks.
Advanced Renamer - Video files.
vimv - vimv is a terminal-based file rename utility that lets you easily mass-rename files using Vim.
Flexible Renamer - Batch file renaming that supports exif, id3, and more meta information.