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.
XPaint is an easy-to-use image editor which supports many standard and less standard paint procedures that demanding non-professional users would expect. It includes several advanced features like image processing algorithms, programmable C scripts, simultaneous editing of multiple images, and supports a wide variety of image formats.
nsat is a fast, stable bulk security scanner designed to audit remote network services and check for versions, security problems, gather information about the servers and the machine, and much more. Unlike many other auditing tools, it can collect information about services independently of vulnerabilities, which makes it less dependent on frequent updates as new vulnerabilities are found.