PhởDAV is a WebDAV server implemented using libsoup and GIO. It provides a library and a small standalone tool to share a directory called "chezdav".
a2web is a lightweight Web user interface for aria2. It provides a remote control for your downloads.
bdremote-ng is a daemon that takes input from a PS3 Bluetooth remote and converts it into something that can be given to LIRC.
A Java class library for importing and creating PDF documents.
An accounting/ERP application and framework.