Simple Image Reducer is an GTK application to easily reduce and rotate images. It can be useful for processing digital photos before sending by email or uploading on the Web. Image files can be supplied to the application from the file manager using the context menu "Open with...", or dragging files to the main window.
spuug is a little tool that generates the boilerplate code for GObjects. spuug can be used for "plain" GObjects, but also for more sophisticated objects such as GTK+ widgets. It tries to be a bit smart with the code in spits out. However, understanding of GObjects/GtkWidgets is recommended.