Phototonic 是一個使用 C++ 和 QT 開發的 Linux 下的圖片瀏覽器和管理器。輕量級、快速，不依賴任何桌面環境，支持多個縮略圖布局等等。
功能特性：
Light and fast
Does not depend on any desktop environment
Supports several thumbnail layouts
Thumbnails customization: size, spacing, sorting, colors
Basic navigation and file management
Slide show
View random image
Transformation: rotation, flipping, cropping
Extensive automatic and manual zoom options
Keep transformations and zoom while viewing multiple images
Multiple mirroring options
Supported formats: BMP, GIF, JPEG, PNG, TIFF, SVG, PBM, PGM, PPM, XBM, XPM
Supports saving in formats: BMP, JPEG, PNG, TIFF, PPM, XBM, XPM
Keyboard shortcuts customization
Load image files or folders from command line
項目主頁：http://www.baiduhome.net/lib/view/home/1396061462434