SABnzbd is a cross-platform binary newsreader written in Python. It simplifies the process of downloading from Usenet dramatically, thanks to its friendly Web-based user interface and advanced built-in post-processing options that automatically verify, repair, extract, and clean up posts downloaded from Usenet. It also has a fully customizable user interface, and offers a complete API for third-party applications to hook into.
Rapid Photo Downloader is an application for professional and amateur photographers, designed for use on the Linux desktop. It can download photos and videos from multiple cameras, memory cards, and portable storage devices simultaneously. It provides many flexible, user-defined options for subfolder creation, photo and video renaming, and backup.
OCRFeeder is a document layout analysis and optical character recognition application. It is able to automatically outline a document image's contents, distinguish between graphics and text and perform OCR over the latter. It can export to several formats, its main one being ODT. OCRFeeder has a GTK+ graphical user interface that allows the user to control the application and, for example, edit and correct the automatic recognition. It can also be used from the command line for automation.