Swiss army knife of image processing
GraphicsMagick provides a set of commandline tools and programming APIs for manipulating, editing, and converting raster and vector images. It is derived from ImageMagick, with the objective of providing better stability and performance than ImageMagick while retaining the original MIT/X11 license.
Bulk Downloader for selectable Images (even Google Images)
Inquisitor is a very fast & save visual Web Picture Site Ripper, Downloader/Grabber, and Offline Browser. "Visual" means that it works like a normal Browser, but with "WYSIWYG" (WhatYouSeeIsWhatYouGet) principle to download all files/images at once. V300613 now works even with "Google Image Search" !
Image viewer for animated GIFs
tkgifviewer is an image viewer to open and manipulate images, especially animated GIF images. tkgifviewer has two operational modes, One is an image slideshow, showing one image at a time from those specified on the commandline. It will show (animated) thumbnails of images if started in thumbnail mode. It is possible to manipulate the animation time of the GIF images. Moreover it is possible to execute operations on images like Move File, Create Link, Delete File, and so on. For user convenience tkgigviewer can open and display other image formats. Furthermore this project provides the Tk package tkimagewindow which can be used in your own application for displaying animated GIFs (and other image formats).
MapServer Workbench is a set of cooperative tools to develop web mapping applications with MapServer. Tools are written in Tcl/Tk, and require the Mapscript scripting interface distributed with MapServer.
Image browser/file picker
Browse your images in a given directory, and choose your favorite images you want to keep, or to delete; simply by a single mouseclick (or even with the cursor-keys). So you can decide very fast which image is good, and which is not (just like the famous "Tinder"-App).