Google Images - Google Images is a search service owned by Google that allows users to search the World Wide Web for image content.
i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
SauceNAO - SauceNAO is a reverse image search engine.
Fluxbox - Fluxbox is a window manager for X that was based on the Blackbox 0.61.1 code.
TinEye - Reverse Image Search to help find an image's source, duplicates or altered versions.
Openbox - Openbox is a highly configurable, next generation window manager with extensive standards support.