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potrace is a Peter Selinger's GPLed utility for tracing bitmaps - converting them into smooth, scalable images. It accepts as input a bitmap B/W images (PBM, PGM, PPM and BMP formats), and returns encapsulated PostScript (EPS) as the default output. Other output format are available: PS, SVG, Xfig, PGM, PDF and experimental GimpPath. You can create scalable images from scans, such as logos, hand taken notes, etc. The resulting smooth images can then be rendered at any resolution.

PEAR::XML_Wddx does 2 things: a) a drop in replacement for the XML_Wddx extension (if it's not built in) b) produce an editable wddx file (with indenting etc.) and uses CDATA, rather than char tags This package contains 2 static methods: XML_Wddx:serialize($value) XML_Wddx:deserialize($value) Should be 90% compatible with wddx_deserialize(), and the deserializer will use wddx_deserialize if it is built in. No support for recordsets is available at present in the PHP version of the deserializer.

SDL_Console is a drop down console that can be easily added to any SDL application. It is similar to Quake and other games consoles. A console gives you the ability to interact with your program in an easy way by executing predefined commands. You can also have more than one console at a time.

libzip is a C library for reading, creating, and modifying zip archives. Files can be added from data buffers, files, or compressed data copied directly from other zip archives. Changes made without closing the archive can be reverted. The API is documented by man pages.

FncCheck is a library which generates profiles for C/C++ programs. A profile is a list of informations about your functions, such as time spend in functions, number of calls and other things. In order to use FncCheck, you have to compile your .o files with '-finstrument-functions -g' switches (gcc V2.95.2 and higher). You have then to link your executable with the library 'libfc.so'.

Description: Using /usr/bin/telnet in "8-bit environment", for example, BIG5- encoding Chinese characters environment in Taiwan, is somewhat in-convenient. To be able to input Chinese characters, "-8 or -L" options are needed, however, using these options cause another problem. Specifying "-8 or -L" makes ^U or ^C or ^D or ... (any isprint(c)) malfunction when telnet to SunOS. How-To-Repeat: /usr/bin/telnet -8 ms1.hinet.net (ms1.hinet.net running Solaris) login: abcde^U (or just press Enter) => the terminal state goes wrong, "reset" is needed to go back to "normal state" Fix: Apply the following patch: gopher://freebsd.csie.nctu.edu.tw/00%2f3%2fA0002063 This make telnet "8-bit clean", being able to input 8-bit data (Chinese characters) without specifying "-8 or -L" options, and telnet to SunOS without trouble. See also:

PTypes is a C++ Portable Types Library. It offers the following features: * Threads and synchronization objects along with message queues solve the vital problem of diversity of the threading API's on different platforms. * IP socket classes and utilities provide complete IP-based framework for both client-side and server-side programming. They can be combined with PTypes multithreading. * Dynamic strings, variants, character sets, date/time type and various kinds of dynamic and associative arrays: Delphi programmers will find them very similar to the ones in their favorite language. * Streaming interfaces provide buffered I/O with simple and powerful text parsing methods. A strictly defined syntax for the given text format or a formal language can be represented by calls to PTypes token extraction methods. The unified streaming interface is applicable to files, named pipes and network sockets. * Special thread class with enhanced functionality called unit. Units have their own main() and input/output 'plugs'; they can be connected to each other within one application to form pipes, like processes in the Unix shell. * Finally, everything above is portable: all platform-dependent details are hidden inside.

This is a simple library for grading C- and C++-language assignments. It runs each test case in a child process in order to capture common programming errors such as infinite loops and segmentation faults.

SWIG is a software development tool that connects programs written in C and C++ with a variety of high-level programming languages. SWIG is used with different types of target languages including common scripting languages such as Javascript, Perl, PHP, Python, Tcl and Ruby. The list of supported languages also includes non-scripting languages such as C#, Common Lisp (CLISP, Allegro CL, CFFI, UFFI), D, Go language, Java, Lua, Modula-3, OCAML, Octave and R. Also several interpreted and compiled Scheme implementations (Guile, MzScheme/Racket, Chicken) are supported. SWIG is most commonly used to create high-level interpreted or compiled programming environments, user interfaces, and as a tool for testing and prototyping C/C++ software. SWIG is typically used to parse C/C++ interfaces and generate the 'glue code' required for the above target languages to call into the C/C++ code. SWIG can also export its parse tree in the form of XML and Lisp s-expressions.

Lutok is a lightweight C++ API library for Lua. Lutok provides thin C++ wrappers around the Lua C API to ease the interaction between C++ and Lua. These wrappers make intensive use of RAII to prevent resource leakage, expose C++-friendly data types, report errors by means of exceptions and ensure that the Lua stack is always left untouched in the face of errors. The library also provides a small subset of miscellaneous utility functions built on top of the wrappers. Lutok focuses on providing a clean and safe C++ interface; the drawback is that it is not suitable for performance-critical environments. In order to implement error-safe C++ wrappers on top of a Lua C binary library, Lutok adds several layers or abstraction and error checking that go against the original spirit of the Lua C API and thus degrade performance.