Here are some screenshots on AnyOSZip. Windows are resizable; they are kind of small here.
Main window with one zip file open.
Dialog window for adding adding files to a zip archive.
Extract dialog ready for unzipping selected files in archive.
Built-in text viewer shows a java source file located in a zip file.
A self-extrator created with AnyOSZip. (Here in Swedish, window will come up in English on non-Swedish computers.)