The deepOfix Mail Server makes it possible for organizations with minimal technical expertise to have robust server infrastructure. deepOfix offers unprecented ease of use, doesn't require prior GNU/Linux experience and is backed by a full-time development and support team. deepOfix features LDAP-based directory services for user account management, email delivery, distribution lists, and addressbooks. It also includes built in tools for spam and virus control, webmail, and fetching email.
Instant Links is a way to automate your link partners. People can add a reciprocal link from the bottom of the page in each category. It makes it easy to sign up to be placed on your Web site. It features automatic checking of link partners links, search engine friendly pages, unlimited links and categories, broken links verification, personalized email notifications, import DMOZ listings for an instant directory, cron for automatic updating, Google PageRank display, random link display, easy installation and backup, and easy site integration. Instant Links can be a stand alone niche directory.
Spamato is an extensible spam filter system. It is available as an add-on for Outlook, an extension for Thunderbird and Mozilla Mail, and a stand-alone proxy component. It provides a Bayesian filter, a rule-based filter, a Java implementation of Razor (Ephemeral and Whiplash), a filter that queries domains on Google, a collaborative domain, and a collaborative hash-based filter. Graphical statistics explain the efficiency of each filter as well as the overall effectiveness of the whole system.
Osprey is a peer-to-peer enabled content distribution system. It is a metadata management system for software and document collections which enables local and distributed searching of materials. Items are available for download directly via an URL or indirectly via the BitTorrent peer-to-peer protocol. Two components exist: the Osprey Web application and permaseed (permanent seed). The Web application includes metadata management for finding and exploring available content, as well as a BitTorrent tracker.
GNUSTEP Live CD contains a lot of software for GNUstep, a free implementation of the OPENSTEP framework (which is also directly used in Mac OS X as Cocoa). It includes excellent applications for RAD (GORM and ProjectCenter). The CD is available for i486, AMD64, Apple Mac PowerPC, and Sun UltraSPARC computers.
snowdrop is a steganographic text document and C code watermarking tool that uses redundant, tamper-evident and modification-proof information embedded in the content itself, instead of the medium, to simplify tracking of proprietary code leaks, sensitive information disclosure, etc.
Gspoof is a GTK+ program written in the C language which makes it easier and more accurate to build and send TCP packets with or without a data-payload. It's possible to modify TCP/IP fields and also ethernet header working to Link Level. You can send one or more packets together. It runs also in "console mode" without X and so you can compile it without GTK+.