uNabto is a small UDP-based NAT and firewall traversing virtual Web server. It is useful for very small resource limited embedded systems. It works by installing a free Nabto protocol plugin in your browser which, in combination with a "HTML-device driver" definition file, communicates and presents the user with a nice Web based GUI.
QuHelp is a command-line program that scans a directory with HTML formatted text files and builds a help site using that directory's content and a template. A default template is included, but any template can be specified. QuHelp adds a nice expandable tree view of the help site's contents, a navigator, permalinks, and other useful stuff for browsing the help site.
Apache's mod_rewrite provides methods to map values to attributes using the directive RewriteMap. One not so well known feature of mod_rewrite is to extend this functionality with internal functions, which can be defined in a seperate Apache module. mod_icpquery is an Apache-2.0/2.2 compatible module that extends mod_rewrite by internal RewriteMap functions. It sends out a request as a UDP query to a list of Unicast or multicast addresses. This query conforms to RFC 2186, also known as ICP, and can be handled by various HTTP-caching servers such as squid. A cache-server handling ICP should reply to an ICP query with an ICP response indicating if it holds the desired object in its cache or not. This information can be further processed by mod_rewrite using its superb regex rules.
CHM Reader is an extension to allow Firefox to read Compiled HTML (.chm) files. After installation, with "File | Open CHM File", you can open a CHM file in Firefox. With "View | Sidebar | CHM Reader" or "Ctrl-E", a sidebar that contains topics and an index of the CHM files will be shown.
mod_auth_pubtkt is a simple Web single sign-on (SSO) solution for Apache. It validates authentication tickets provided by the client in a cookie using public-key cryptography (DSA or RSA). Thus, only the login server that generates the tickets needs to possess the private key, while Web servers can verify tickets given only the public key. The implementation of the login server is left to the user, but an example and a library in PHP are provided with the distribution.