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The State Threads is a small application library which provides a foundation for writing fast and highly scalable Internet applications (such as web servers, proxy servers, mail transfer agents, and so on) on UNIX-like platforms. It combines the simplicity of the multithreaded programming paradigm, in which one thread supports each simultaneous connection, with the performance and scalability of an event-driven state machine architecture. In other words, this library offers a threading API for structuring an Internet application as a state machine. The State Threads library is a derivative of the Netscape Portable Runtime library (NSPR).

strace is a system call tracer, i.e. a debugging tool which prints out a trace of all the system calls made by a another process/program. strace is similar to the native BSD ``truss'' utility, but it's output style is more convenient in most cases. For strace to work, procfs has to be mounted. FreeBSD does not mount it by default. For more information, man procfs.

This extension provides a Tcl interface to the mmap(2) POSIX system call. It provides a Tcl package that allows Tcl scripts to: 1) Memory map files for improved access efficiency; 2) Share memory between related processes; 3) Easily implement cyclic persistent log files. The functionality of 'mmap' is exported from this extension in the form of a new Tcl channel type, named "mmap". A memory mapping is established with the 'mmap' command. Following 'mmap' execution, access to the memory mapped file is done via the standard Tcl commands: puts/gets/seek/flush/close/fconfigure, only that this time these commands operate on memory, rather than on a file.

The TclVfs project aims to provide an extension to the Tcl language which allows Virtual Filesystems to be built using Tcl scripts only. It is also a repository of such Tcl-implemented filesystems (metakit, zip, ftp, tar, http, webdav, namespace, url)

tkinspect, release 5.1.6p8 (04 Apr 2002) Tkinspect is a Tk program browser originally written by Sam Shen and now updated to work with Tcl/Tk 8+, incr Tcl 3+ and to cope with systems such as MS Windows where the Tk 'send' command is not available. Based upon the 5.1.6 release of tkinspect this version contains numerous bug fixes and functionality patches. See the ChangeLog file for details.

FunnelWeb is a powerful literate-programming macro preprocessor that enables you to weave programs and documentation together. FunnelWeb is a production quality tool that was specifically engineered for practical everyday use.

Portable ZiLOG Z80 CPU emulator library.

Truc is a web-based tool for requirement and use case tracking. It has fileupload, discussions, version control, use case history, build and release management. It supports assignment of requirements & use cases to releases and filtering over all fields.

CurveDNS is a forwarding nameserver adding DNSCurve to DNS, and it's the first publicly released forwarding implementation that implements the DNSCurve protocol.

dnswalk is a DNS debugger. It performs zone transfers of specified domains, and checks the database in numerous ways for internal consistency, as well as accuracy.