Surnia can check an OWL ontology/knowledge base for inconsistency and entailments. It is implemented as a wrapper around first-order theorem prover (OTTER, for now at least). Unlike Hoolet (which turns the OWL into FOL), Surnia just turns the OWL into triples and mixes in axioms.
Free Islamic Toolbar is a Web browser extension that lets you watch Islamic and Muslim news TV channels, listen to Islamic radio stations from around the world, and search with Islamic search engines. It also features prayer times, an Islamic calendar, a qibla direction finder, and much more.
mod_ipblock aims to provide protection from aggressive clients by blocking or reporting them with a script. Users can set a limit to simultaneous connections. When this limit is reached, the module will execute the defined command. You can then write a simple bash script which can run commands with sudo(8) in order to limit the client or notify the admins.
Pklinux-bigi is a Slackware derived distribution based on glibc 2.2 and Linux 2.4.0-test11. It can run on 386, 486, 586, and Pentium machines with only 4 MB of RAM. Builtin features include IP tunneling, firewalling, encapsulation, QOS(based on ipv4 RSVP), kernel debugging, loopback, network block device, and numerous filesystems (including ntfs and sysV). It contains Apache, proftpd, bind 9.0, syslogd, sendmail, iptables, iproute2, and gated. NAT configuration by iptables is included by default. It is a loopdisk based distribution which can be directly run from DOS, no hdd partitioning needed. This distribution is kept as minimal as possible and it can be useful in places where you want a low end computer to act as a firewall, webserver, mail server, router, or an alternative to zipslack.