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C++ (13)

BRL-CAD includes an interactive geometry editor, parallel ray-tracing support for rendering and geometric analysis, path-tracing for realistic image synthesis, network distributed framebuffer support, image-processing and signal-processing tools.

Boost is a repository of portable, peer-reviewed, free software C++ libraries.

Framework for incremental calculation, and collection of statistical accumulators. Math and numerics
A collection of useful generic algorithms. Algorithms
Safe, generic container for single values of different value types. Data structures
STL compliant container wrapper for arrays of constant size. Containers
Portable networking, including sockets, timers, hostname resolution and socket iostreams. Concurrent Programming
Filling containers with constant or generated data has never been easier. Input/Output
Bidirectional maps library for C++. With Boost.Bimap you can create associative containers in which both types can be used as key. Containers
boost::bind is a generalization of the standard functions std::bind1st and std::bind2nd. It supports arbitrary function objects, functions, function pointers, and member function pointers, and is able to bind any argument to a specific value or route input arguments into arbitrary positions. Function objects and higher-order programming
Call Traits 
Defines types for passing parameters. Generic Programming
Useful time utilities. Domain Specific
Circular Buffer 
A STL compliant container also known as ring or cyclic buffer. Containers
Help for non-conforming standard libraries. Broken compiler workarounds
Compressed Pair 
Empty member optimization. Data structures
Concept Check 
Tools for generic programming. Generic Programming
Helps Boost library developers adapt to compiler idiosyncrasies; not intended for library users. Broken compiler workarounds
Standard library containers and extensions. Containers
Context switching library. Concurrent Programming
Polymorphic and lexical casts. String and text processing
The Boost CRC Library provides two implementations of CRC (cyclic redundancy code) computation objects and two implementations of CRC computation functions. The implementations are template-based. Domain Specific
Date Time 
A set of date-time libraries based on generic programming concepts. Domain Specific
Dynamic Bitset 
The dynamic_bitset class represents a set of bits. It provides accesses to the value of individual bits via an operator[] and provides all of the bitwise operators that one can apply to builtin integers, such as operator& and operator<<. The number of bits in the set is specified at runtime via a parameter to the constructor of the dynamic_bitset. Containers
Enable If 
Selective inclusion of function template overloads. Generic Programming
The Boost Exception library supports transporting of arbitrary data in exception objects, and transporting of exceptions between threads. Language Features Emulation
The Boost Filesystem Library provides portable facilities to query and manipulate paths, files, and directories. System
Design pattern to manage large quantities of highly redundant objects. Patterns and Idioms
In C++, writing a loop that iterates over a sequence is tedious. We can either use iterators, which requires a considerable amount of boiler-plate, or we can use the std::for_each() algorithm and move our loop body into a predicate, which requires no less boiler-plate and forces us to move our logic far from where it will be used. In contrast, some other languages, like Perl, provide a dedicated "foreach" construct that automates this process. BOOST_FOREACH is just such a construct for C++. It iterates over sequences for us, freeing us from having to deal directly with iterators or write predicates. Algorithms
The format library provides a class for formatting arguments according to a format-string, as does printf, but with two major differences: format sends the arguments to an internal stream, and so is entirely type-safe and naturally supports all user-defined types; the ellipsis (...) can not be used correctly in the strongly typed context of format, and thus the function call with arbitrary arguments is replaced by successive calls to an argument feeding operator%. String and text processing
Function object wrappers for deferred calls or callbacks. Function objects and higher-order programming
Function Types 
Boost.FunctionTypes provides functionality to classify, decompose and synthesize function, function pointer, function reference and pointer to member types. Generic Programming
The Boost.Function library contains a family of class templates that are function object wrappers. Function objects and higher-order programming
Function object templates for dynamic and static object creation Function objects and higher-order programming
Adapters to allow generic function objects to accept arbitrary arguments Function objects and higher-order programming
A TR1 hash function object that can be extended to hash user defined types. Function objects and higher-order programming
Functional/Overloaded Function 
Overload different functions into a single function object. Function objects and higher-order programming
Library for working with tuples, including various containers, algorithms, etc. Template Metaprogramming
Geometry Library. Algorithms
Generic Image Library Containers
The BGL graph interface and graph components are generic, in the same sense as the the Standard Template Library (STL). Containers
Priority queue data structures. Data structures
Interval Container Library, interval sets and maps and aggregation of associated values Containers
Identity Type 
Wrap types within round parenthesis so they can always be passed as macro parameters. Preprocessor Metaprogramming
In Place Factory, Typed In Place Factory 
Generic in-place construction of contained objects with a variadic argument-list. Generic Programming
The organization of boost integer headers and classes is designed to take advantage of <stdint.h> types from the 1999 C standard without resorting to undefined behavior in terms of the 1998 C++ standard. The header <boost/cstdint.hpp> makes the standard integer types safely available in namespace boost without placing any names in namespace std. Math and numerics
Shared memory, memory mapped files, process-shared mutexes, condition variables, containers and allocators. Concurrent Programming
Extends the usual arithmetic functions to mathematical intervals. Math and numerics
Intrusive containers and algorithms. Containers
IO State Savers 
The I/O sub-library of Boost helps segregate the large number of Boost headers. This sub-library should contain various items to use with/for the standard I/O library. Input/Output
Boost.IOStreams provides a framework for defining streams, stream buffers and i/o filters. String and text processing
The Boost Iterator Library contains two parts. The first is a system of concepts which extend the C++ standard iterator requirements. The second is a framework of components for building iterators based on these extended concepts and includes several useful iterator adaptors. Iterators
Define small unnamed function objects at the actual call site, and more. Function objects and higher-order programming
Lexical Cast 
General literal text conversions, such as an int represented a string, or vice-versa, from Kevlin Henney. String and text processing
Local Function 
Program functions locally, within other functions, directly within the scope where they are needed. Function objects and higher-order programming
Provide localization and Unicode handling tools for C++. String and text processing
Boost.Math includes several contributions in the domain of mathematics: The Greatest Common Divisor and Least Common Multiple library provides run-time and compile-time evaluation of the greatest common divisor (GCD) or least common multiple (LCM) of two integers. The Special Functions library currently provides eight templated special functions, in namespace boost. The Complex Number Inverse Trigonometric Functions are the inverses of trigonometric functions currently present in the C++ standard. Quaternions are a relative of complex numbers often used to parameterise rotations in three dimentional space. Octonions, like quaternions, are a relative of complex numbers. Math and numerics
Math Common Factor 
Greatest common divisor and least common multiple. Math and numerics
Math Octonion 
Octonions. Math and numerics
Math Quaternion 
Quaternions. Math and numerics
Math/Special Functions 
A wide selection of mathematical special functions. Math and numerics
Math/Statistical Distributions 
A wide selection of univariate statistical distributions and functions that operate on them. Math and numerics
Member Function 
Generalized binders for function/object/pointers and member functions. Function objects and higher-order programming
Meta State Machine 
A very high-performance library for expressive UML2 finite state machines. State Machines
Standard library extensions for simultaneous min/max and min/max element computations. Algorithms
Portable move semantics for C++03 and C++11 compilers. Language Features Emulation
Message Passing Interface library, for use in distributed-memory parallel application programming. Concurrent Programming
The Boost.MPL library is a general-purpose, high-level C++ template metaprogramming framework of compile-time algorithms, sequences and metafunctions. It provides a conceptual foundation and an extensive set of powerful and coherent tools that make doing explict metaprogramming in C++ as easy and enjoyable as possible within the current language. Template Metaprogramming
Boost.MultiArray provides a generic N-dimensional array concept definition and common implementations of that interface. Containers
The Boost Multi-index Containers Library provides a class template named multi_index_container which enables the construction of containers maintaining one or more indices with different sorting and access semantics. Containers
Numeric Conversion 
Optimized Policy-based Numeric Conversions. Math and numerics
Templates ease arithmetic classes and iterators. Iterators
Discriminated-union wrapper for optional values. Miscellaneous
Boost.Parameter Library - Write functions that accept arguments by name. Programming Interfaces
Define small unnamed function objects at the actual call site, and more. Function objects and higher-order programming
Pointer Container 
Containers for storing heap-allocated polymorphic objects to ease OO-programming. Containers
Booleans/clipping, resizing/offsetting and more for planar polygons with integral coordinates. Miscellaneous
Memory pool management. Memory
Preprocessor metaprogramming tools including repetition and recursion. Preprocessor Metaprogramming
Program Options 
The program_options library allows program developers to obtain program options, that is (name, value) pairs from the user, via conventional methods such as command line and config file. Input/Output
Property Map 
Concepts defining interfaces which map key objects to value objects. Containers
Property Tree 
A tree data structure especially suited to storing configuration data. Containers
Expression template library and compiler construction toolkit for domain-specific embedded languages. Template Metaprogramming
The Boost Python Library is a framework for interfacing Python and C++. It allows you to quickly and seamlessly expose C++ classes functions and objects to Python, and vice-versa, using no special tools -- just your C++ compiler. Inter-language support
A complete system for random number generation. Math and numerics
A new infrastructure for generic algorithms that builds on top of the new iterator concepts. Algorithms
Compile time rational arithmetic. Math and numerics
A rational number class. Math and numerics
A utility library for passing references to generic functions. Function objects and higher-order programming
Regular expression library. String and text processing
Result Of 
Determines the type of a function call expression. Function objects and higher-order programming
Scope Exit 
Execute arbitrary code at scope exit. Language Features Emulation
Serialization for persistence and marshalling. Input/Output
Managed signals & slots callback implementation. Function objects and higher-order programming
Managed signals & slots callback implementation (thread-safe version 2). Function objects and higher-order programming
Smart Ptr 
Smart pointer class templates. Memory
LL parser framework represents parsers directly as EBNF grammars in inlined C++. String and text processing
Boost.Statechart - Arbitrarily complex finite state machines can be implemented in easily readable and maintainable C++ code. State Machines
Static Assert 
Static assertions (compile time assertions). Generic Programming
String Algo 
String algorithms library. String and text processing
Enhanced generic swap function. Miscellaneous
Operating system support, including the diagnostics support that will be part of the C++0x standard library. System
Support for simple program testing, full unit testing, and for program execution monitoring. Correctness and testing
Portable C++ multi-threading. Concurrent Programming
Event timer, progress timer, and progress display classes. Miscellaneous
Break of a string or other character sequence into a series of tokens. String and text processing
The TR1 library provides an implementation of the C++ Technical Report on Standard Library Extensions. This library does not itself implement the TR1 components, rather it's a thin wrapper that will include your standard library's TR1 implementation (if it has one), otherwise it will include the Boost Library equivalents, and import them into namespace std::tr1. Miscellaneous
3-state boolean type library. Miscellaneous
Ease definition of functions returning multiple values, and more. Data structures
Type Traits 
Templates for fundamental properties of types. Generic Programming
Typeof operator emulation. Language Features Emulation
uBLAS provides matrix and vector classes as well as basic linear algebra routines. Several dense, packed and sparse storage schemes are supported. Math and numerics
Zero-overhead dimensional analysis and unit/quantity manipulation and conversion. Domain Specific
Unordered associative containers. Containers
Class noncopyable plus checked_delete(), checked_array_delete(), next(), prior() function templates, plus base-from-member idiom. Algorithms
A universally unique identifier. Data structures
Value Initialized 
Wrapper for uniform-syntax value initialization, based on the original idea of David Abrahams. Miscellaneous
Safe, generic, stack-based discriminated union container. Containers
The Boost.Wave library is a Standards conformant, and highly configurable implementation of the mandated C99/C++ preprocessor functionality packed behind an easy to use iterator interface. String and text processing
Regular expressions that can be written as strings or as expression templates, and which can refer to each other and themselves recursively with the power of context-free grammars. String and text processing

Fire★ is a a simple platform for decentralized communication and computation. Provides a simple application platform for developing p2p applications and share these applications with others in a chat like user interface.

You don't send a message to someone, you send an program, which can have rich content. All programs are wired up together automatically providing distributed communication, either through text, images, or games.

The source code to all applications is available immediately to instantly clone and modify.

InfiniSQL is a distributed in-memory NewSQL relational database management system (RDBMS). It excels at performing complex transactions which involve records on multiple server nodes. It is engineered around the actor model of concurrent programming, which enables unique scalability capabilities. InfiniSQL is currently in an alpha state, and the project is eagerly seeking developers, early adopters, and people who want to help build a community around it.

KiCad is electronic design automation (EDA) software made for designing schematics of electronic circuits and printed circuit boards (PCB). KiCad is developed by the KiCad Developers Team, and features an integrated environment with schematic capture, bill of materials list, PCB layout and much more. KiCad is cross-platform, written with WxWidgets and runs on FreeBSD, Linux, Microsoft Windows and Mac OS X. A lot of component libraries are available. Also migrating tools for components are available (from other EDA software tools). File formats are plain text and well documented, which is good for CVS or Subversion and to make automated component generation scripts.

Multiple languages are supported, such as English, Portuguese, Spanish, Czech, Polish, French, German, and Russian.

The 3D PCB viewer use 3D model from Wings3D CAD.

Libcsdbg is a C++ exception stack tracer. When an exception is thrown, caught and handled, libcsdbg offers the tools to create and process the exception stack trace, the path the exception has propagated up the call stack, unwinding it, up to the section were it was handled. The traces are detailed with demangled function signatures and additional addr2line info (the source code file and line that each function was called). Libcsdbg will perform flawlessly with single and multi-threaded (or multi-process) programs, with any dynamically linked shared object (DSO - Dynamic Shared Object) and with any statically linked library. Additionally, libcsdbg helps the developer/tester create sophisticated stack traces of any thread, at any given moment during a process execution, as a snapshot of the runtime call graph. This is very useful in cases of fatal errors, reception of terminating signals or process abortion/termination (such as segmentation faults). libcsdbg can use all the well-known objective code file formats (a.out, elf, coff, ecoff, etc.) and can easily be used as the base for your own instrumentation code. libcsdbg transparently loads the symbol tables of the chosen dynamic libraries and of the executable, demangles function symbols to complete signatures, and binds function names to runtime addresses (even for the DSO symbols).

MLPACK is a C++ machine learning library with emphasis on scalability, speed, and ease-of-use. Its aim is to make machine learning possible for novice users by means of a simple, consistent API, while simultaneously exploiting C++ language features to provide maximum performance and flexibility for expert users. MLPACK contains the following algorithms: Collaborative Filtering, Density Estimation Trees, Euclidean Minimum Spanning Trees, Fast Exact Max-Kernel Search (FastMKS), Gaussian Mixture Models (GMMs), Hidden Markov Models (HMMs), Kernel Principal Component Analysis (KPCA), K-Means Clustering, Least-Angle Regression (LARS/LASSO), Local Coordinate Coding, Locality-Sensitive Hashing (LSH), Logistic regression, Naive Bayes Classifier, Neighbourhood Components Analysis (NCA), Non-negative Matrix Factorization (NMF), Principal Components Analysis (PCA), Independent component analysis (ICA), Rank-Approximate Nearest Neighbor (RANN), Simple Least-Squares Linear Regression (and Ridge Regression), Sparse Coding, Tree-based Neighbor Search (all-k-nearest-neighbors, all-k-furthest-neighbors), Tree-based Range Search.

MathParseKit is a C++ Library that allows an easy integration of a mathematical functions interpreter.

Quassel IRC is a modern, cross-platform, distributed IRC client, meaning that one (or multiple) client(s) can attach to and detach from a central core -- much like the popular combination of screen and a text-based IRC client, but graphical. In addition to this unique feature, we aim to bring a pleasurable, comfortable chatting experience on several operating systems, making communication with your peers not only convenient, but also ubiquitous available. And the best of all: It's free - as in beer and as in speech, since we distribute Quassel under the GPL.

SFML is a portable and easy to use multimedia API written in C++. You can see it as a modern, object-oriented alternative to SDL. SFML is composed of several packages to perfectly suit your needs. You can use SFML as a minimal windowing system to interface with OpenGL, or as a fully-featured multimedia library for building games or interactive programs.

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