SPHiveDB is a server for SQLite database. It use JSON-RPC over HTTP to expose a network interface to use SQLite database. It supports combining multiple SQLite databases into one file. It also supports the use of multiple files. It is designed for the extreme sharding schema -- one SQLite database per user. It currently implements a C++/Java/Python client API.
libyama is a malloc implementation that bundles leak tracking by auditing allocations, array bound write detection, detection of access to free'd memory, realloc/free on invalid pointers. It is intended as a replacement to malloc, and can either be preloaded on the command line, or can be linked into a program.
RazorBack is a log analysis program that interfaces with the SNORT open source Intrusion Detection System to provide real time visual notification when an intrusion signature has been detected on the network. RazorBack is designed to work within the GNOME framework on Unix platforms.
YanC (Yet another nV Configurator) is a small tool which you can use to change the nVidia and ATI-specific settings (almost) as easily as with the Windows drivers. You can edit the settings for AGP support, the Cursor Shadow, the nVidia logo, Digital Vibrance Control, and, of course, TwinView for the nVidia drivers. For the ATI drivers, it offers support for the overlay settings, anti-aliasing, and dual monitor configuration.
GrubConf is a graphical GRUB configuration editor. It provides an easy to use interface allowing effortless modification of OSes and the flexibility to configure the most obscure options. It is designed to require minimal user interaction while providing tools for the most adventurous user.