OCILIB is an open source and cross platform Oracle Driver that delivers efficient access to Oracle databases. It offers a full featured, easy and productive API. Written in ISO C on top of OCI, OCILIB runs on all Oracle platforms.
Cairo is a 2D graphics library with support for multiple output devices. Currently supported output targets include the X Window System (via both Xlib and XCB), Quartz, Win32, image buffers, PostScript, PDF, and SVG file output. Experimental backends include OpenGL, BeOS, OS/2, and DirectFB.
libnotify is a library that sends desktop notifications to a notification daemon, as defined in the Desktop Notifications spec. These notifications can be used to inform the user about an event or display some form of information without getting in the user's way.