macos
ExifCleaner: Free Tool to Remove Image Metadata for macOS, Windows, and Linux Before Publishing
Enhance Privacy with ExifCleaner: A Simple Tool to Clean Exif Data from Images
batch images
photography
Add Watermark to Hundreds of Images at once with aPhoto
aPhoto is a batch, intuitive and portable program that helps you to make text(eg. Copyright Notice) and image(eg. Logo) watermarks for the photos, and save the result photos to JPG, PNG, GIF, or BMP file formats. aPhoto is a lightweight app that allows users to easily embed text
macos
darktable: open source photography workflow application and raw developer (Free app)
darktable is an open source photography workflow application and raw developer. A virtual lighttable and darkroom for photographers. It manages your digital negatives in a database, lets you view them through a zoomable lighttable and enables you to develop raw images and enhance them. darktable is created for photographers, by