The acscripts library contains a set of helper scripts that can be used by package configure scripts. This library enables common functions to be used from one central location, rather than being duplicated across packages. This provides simplified system maintenance, because build functions are centralized, and smaller packages, because build functions are no longer in packages.
libposix is an impementation of the core functionality of all Unix systems. It is a full, cross-platform implementation of the POSIX 2008 standard. It is meant to replace existing implementations of a Unix system's core libraries. It is an exact implementation of POSIX 2008 and nothing else (no extensions, no previous POSIX versions). However, it works well with possible extensions to the core system functionallity (for example, GNU or BSD).
The ReportLab Toolkit is a library for programatically creating documents in PDF format. It can quickly and easily create or automate complex, data-driven documents. It features a real document layout engine, flowable objects (such as paragraphs, headlines, tables, images, and graphics), support for embedded Type-1 or TTF fonts, support for Asian, Hebrew, and Arabic characters, support for bitmap images in any popular format, support for vector graphics, a library of reusable primitive shapes, and an extensible widget library. It includes simple demos and more complex tools. It allows for any data sources.
SMDB is a small, portable database library that exports an API similar that of GDBM and allows for the simple storage and retrieval of key/data couples. The library is totally system independent due to the use of externally supplied interface pointers. File locking is left to the caller, allowing single instance users to not pay the the price (in terms of performance and portability) of the locking framework. It supports transactions, multiple tables inside the same DB file, and is less than half the size of GDBM.
The STX ExecPipe library provides a convenient C++ interface to execute child programs connected via pipes. It is a front-end to the system calls fork(), pipe(), select(), and execv() and hides all the complexity of these low-level functions. It allows a program to build a sequence of connected children programs with the input and output of the pipe sequence redirected to a file, string, or file descriptor. The library also allows custom asynchronous data processing classes to be inserted into the pipe or placed at the source or sink of the sequence.
EO is a template-based, ANSI-C++ evolutionary computation library that helps you to write your own stochastic optimization algorithms quickly. Evolutionary algorithms form a family of algorithms inspired by the theory of evolution, and solve various problems. They evolve a set of solutions to a given problem in order to produce the best results. These are stochastic algorithms because they iteratively use random processes. The vast majority of these methods are used to solve optimization problems, and may be also called "metaheuristics". They are also ranked among computational intelligence methods, a domain close to artificial intelligence. With the help of EO, you can easily design evolutionary algorithms that will find solutions to virtually all kind of hard optimization problems, from continuous to combinatorial ones.