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nwcc is a C compiler for Unix systems targeting *BSD, OSX, Linux and Solaris on x86 (nasm/gas), FreeBSD, OSX and Linux on AMD64 (yasm/gas), Solaris on SPARC, AIX and Linux on PPC/PPC64 and IRIX on MIPS64. Cross-compilation is supported.6 weekly downloads
yachap: yet another chat program1 weekly downloads
Simple and secure TCP Proxy daemon. Refuses to run as root and confines itself to a chroot jail. Careful with signal handlers and buffers.1 weekly downloads
DarwinIRCd is an advanced Internet Relay Chat (IRC) Daemon based on UnrealIRCd with added features and enhancements.
Experimental lightweight editor1 weekly downloads
Lightweight RPC-like library. Designed for control and simplicity.1 weekly downloads
Snort2c attempts to be a improved version of snort2pf wrote by Stephan Schmieder with some advantages: kqueue, pf table support, pf ioctl's calls and others. It works monitoring snort's alertfile and blocking attackers ip using pf calls.3 weekly downloads
Gpsdrive is a car (bike, ship, plane) navigation system. Displaying your position on a map and a lot of other functions are implemented. It works with vector maps from http://www.OpenStreetMap.de/6 weekly downloads
CMage provides the ability to create an image of a filesystem on an IDE/SATA device and apply the image to a second hard drive of either IDE or SATA with a smaller, equal, or larger device size. CMage is run from a linux based liveCD on the terminal.
PenTestOS is an OpenBSD based livecd for penetration testing purposes. The project endeavours to include all GNU tools useful for conducting a penetration test from a secure by default penetration testing environment.
Tpl makes it easy to serialize your C data using just a handful of API functions. The data is stored in its native binary form for maximum efficiency. C, Perl and XML supported. Data is portable across CPU types and OS's from Unix to Mac to Windows.4 weekly downloads
Free, programmable on dektop system monitor, supports semitransparency, plugins, themes1 weekly downloads
Honeytrap is a network security tool written to observe attacks against network services. As a low-interactive honeypot, it collects information regarding known or unknown network-based attacks and uses plugins for automated analysis.1 weekly downloads
A driver/program to enable Philips USB PClink remote controlers to function under Linux and other *NIX OS's
Ipv6PacketGen is a tool which can generate, in an easy manner, any ipv6 packet to test purposes. In fact, it's a library for an easy ipv6 manipulation.
The purpose of net-mon is to provide simple abstraction for network interfaces that is easily implemented in other c/c++ projects. net-mon provides a simple, light weight console network interface monitor.
muhttpd is a simple but complete web server written in portable ANSI C, supporting logging, CGI scripts, MIME type based handlers, and HTTPS. It has been tested on various Unix environments on 32-bit, 64-bit, little endian and big endian systems.
XVPND is a tunneling daemon designed to make non-IP-based communication possible through IPSEC VPNs. Currently supported protocols are IP broadcast, ARP, DHCP/BOOTP, and IPX. Other protocols could be supported via additional plugins.
pptp-proxy is a proxy for the Point-to-Point Tunneling Procotol. It handles multiple tunnels on a nat-box driven by pf. pptp-proxy relies on Niels Provos's libevent.
Biological Annotation Tool is a general-purpose high speed environment for manipulating biological sequence annotations in multiple input and output formats. A plugin-style API permits much extensibility.1 weekly downloads
XMLSysInfo (XSI) is a system monitoring daemon that replies to network queries with vital system information and statistics in an easily parsed XML format. It supports all the major BSDs, Linux and Solaris.1 weekly downloads
The Ruby Dynamic Data Tracker project aims at designing an evolution of the BeOS Tracker interface. It takes advantage of the assets of the Ruby language. It is written especially for FreeBSD although any Unix-compliant OS running QT should do.
Scanhill is a Microsoft Messenger Protocol Sniffer. Currently it can only intercept Instant Text Messaging. Given that mySQL is used, stored instant messages can be read through a browser interface that is written in PHP language.1 weekly downloads
Open Source SIP Back to Back User Agent) and Billing system. Has an Embeded TCL interpreter making session control and session mediation limitless in flexibility. Useful for: Routing Engine, Calling Cards, SBC, Peering, Wholesale and more!
ChemVisio is software which might be useful for educational purposes (non-organic chemistry, crystallography etc.). It might be a good visualization support for all people who need better illustrations than that you could see in books.