Otags generates "tags" files for emacs and vi/vim to give these editors the ability to directly jump to function and value definitions. Otags is based on Camlp4. It can load all Camlp4 syntax extensions and can therefore parse all sources that Camlp4 can parse (including standard and revised syntax).

The original Scheme->C system, the first of its kind. It conforms to the R4RS Scheme standard, and compiles Scheme sources to C as an intermediate step, allowing easy integration with external libraries. Also included is an interpreter, for development, along with some X11 interfaces and an X11-enabled interpreter. Due to a variety of clever techniques, the system is quite fast.

A free book about the PNG image format.

PHP script to show the number of hits in web pages using ASCII text or PNG images. You can use your custom PNG images. PHP Web Counter is a very easy-to-configure application.

hexyl is a simple hex viewer for the terminal. It uses colored output to distinguish different categories of bytes (NULL bytes, printable ASCII characters, ASCII whitespace characters, other ASCII characters and non-ASCII).

A simple program to choose picture or background color. With option --restore, the configured background is set and program exits. This can be used in an .xinitrc/.xsession and other window manager startup files.