gPodder is a Podcast receiver/catcher written in Python and pyGTK. It manages podcast feeds for you, and automatically downloads all podcasts from as many feeds as you like. If you are interested in Podcast feeds, simply put the feed URLs into gPodder and it will download all episodes for you automatically. If there is a new episode, it will get it for you. It supports download resume, if the server supports it.
The Helix Player is an audio and video player based on the Helix DNA Client engine. The GTK+ version includes a Mozilla browser plug-in and supports local file playback and streaming over RTSP/RTP and HTTP. It supports video zoom in original, double size, and full screen, and supports: SMIL 2.0, Ogg Vorbis, H.263 video, JPEG, GIF, PNG, and RealPix. The Symbian Series60 version supports local and streaming playback (RTSP, RTP, RDP, HTTP) of MP3, AMR narrow band, AMR wide band, RA8, sipro, RV7, RV8, RV9, RV10, H263+, 3GPP rel5 SMIL 2.0, images, and more.
Alexandria is a GNOME application to help manage a book collection. It retrieves book information (including cover pictures) from several online libraries, allows you to search for a book (either by EAN/ISBN, title, authors, or keyword), can import and export data into ONIX, Tellico, and EAN/ISBN-list formats, generates Web pages from your libraries, allows marking your books as loaned, saves data using the YAML format, features an HIG-compliant user interface, shows books in different views that can be filtered or sorted, and handles book rating and notes.
GTransferManager (gtm) allows the user to retrieve multiple files from the Web. These files can be retrieved in multiple parts, and each part retrieved on a separate session when the user is connected to the Internet. This is most useful to users with dialup connections. The program performs these tasks using wget as its backend.
libsoup is an HTTP client/server library. It uses GObjects and the glib main loop and integrates well with GNOME and GTK+ applications. Since it is based only on glib, it can also be used in command line and daemon-based applications. It features both asynchronous (GMainLoop and callback-based) and synchronous APIs, automatically cached connections, SSL support using GnuTLS, and proxy support including authentication and SSL tunneling. Client support includes Digest, NTLM, and basic authentication, and server support includes Digest and Basic authentication.