GIMP - GIMP is a multiplatform photo manipulation tool.
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.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Ant Renamer - Ant Renamer can rename large amounts of files and folders in few clicks.
Capture One Pro - The professionals’ choice in RAW image editing software with support for more than 500 cameras. Get started with Capture One today with a 30-day free trial.
Advanced Renamer - Video files.