Proprietary freeware for Windows

Picasa is a discontinued, cross-platform image organizer and image viewer for organizing and editing digital photos, integrated with a now defunct photo-sharing website, originally created by a company named Lifescape (which at that time was incubated by Idealab) in 2002. "Picasa" is a blend of the name of Spanish painter Pablo Picasso, the word casa (Spanish for "house") and "pic" for pictures.

Mp3tag is a metadata tag editor that supports many popular audio file formats. It is freeware for Microsoft Windows, while it is a paid application for Apple macOS in the Mac App Store.

EmEditor is a lightweight extensible commercial text editor for Microsoft Windows. It was developed by Yutaka Emura of Emurasoft, Inc. It includes full Unicode support, 32-bit and 64-bit builds, syntax highlighting, find and replace with regular expressions, vertical selection editing, editing of large files (up to 248 GB or 2.1 billion lines), and is extensible via plugins and scripts. The software has free trial and after that it downgrades to free version, which still can handle huge files and regex.