Siren
Siren is a great, free, file renamer for Windows (including 64 bits). No installation required.
19 Alternatives To Siren
Ant Renamer
Ant Renamer can rename large amounts of files and folders in few clicks.
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.
F2Utility
An easy and effective batch file rename tool.
File Renamer by vano512
Especially useful when you need to rename photos taken by camera
Flash Renamer
All-in-one batch file rename utility.
Flexible Renamer
Batch file renaming that supports exif, id3, and more meta information.
Free File Renamer
A cross-platform file and folder mass renamer
Inviska Rename
Free open-source batch file rename software for Windows, Mac and Linux
NameChanger
NameChanger is designed for the sole purpose of renaming a list of files.
Namexif
Namexif is a free software to rename photos by date and time based on EXIF.
ReNamer
ReNamer is a very powerful and flexible file renaming tool, which offers all the standard renaming…
Rename Master
Rename Master is a freeware utility designed to rename multiple files with a just few clicks.
Transnomino
A batch rename utility for the Mac. Rename many files at once, simple, powerful…
Unicorn
Unicorn is an HTTP server for Rack applications designed to only serve fast clients on low-latency, high-bandwidth connections.
pyExifToolGUI
pyExifToolGui is a graphical frontend for the open source command line tool exiftool by Phil Harvey.