Madison is a ongoing effort to provide high quality access to modern and effective computer technology for individuals who are blind and have a severe limit on mobility or control which limits the use of standard input technologies. It bases input on a joystick and three switches. The joystick can be thought of as a navigation aid like the cursor keys up, down, left, and right. An expanded Morse (eMorse) code is used to replace the keyboard; the three buttons represent dot, dash, and meta. Applications are installed on a graph filesystem. Each filesystem node has up to four vertices, named north, south, east, and west. Navigation is done via joystick or eMorse input. Applications are deployed as jar files which are retrieved by the Web or local disk.
Owl (Openwall GNU/*/Linux) is a small security-enhanced Linux distribution for servers. Owl also makes a good base system for customized virtual machine images and embedded systems, and Owl live CDs with remote SSH access are good for recovering or installing systems (whether with Owl or not). A single Owl CD includes the full live system, installable packages, the installer program, as well as full source code and the build environment capable of rebuilding the entire system from source. Owl supports multiple architectures (x86, x86-64, SPARC, and Alpha) and offers some compatibility for packages developed for other Linux distributions. The primary approaches to security are proactive source code review, privilege reduction, privilege separation, careful selection of third-party software, safe defaults, and "hardening" to reduce the likelihood of successful exploitation of security flaws.
Garbure is a collection of dedicated distributions. Each distribution provides carefully selected tools for a specific target domain, and is completed with examples and documentation. The set of distributions forms an entity, but each distribution works also on its own. All elements are arranged in the same way for each distribution.