latentnet cran.r-project.org

STLport stlport.org

An exemplary version of STL. [Free]

kohonen cran.r-project.org

ASL stlab.adobe.com

Adobe Source Libraries provides peer-reviewed and portable C++ source libraries. [MIT]

koRpus cran.r-project.org

Apache C++ Standard Library stdcxx.apache.org

STDCXX, A collection of algorithms, containers, iterators, and other fundamental components. [retired] [Apache2]

kable cran.r-project.org

Speex speex.org

A free codec for free speech. Obsoleted by Opus. [BSD]

Windows Template Library sourceforge.net

A C++ library for developing Windows applications and UI components. [Public]

TinyXML sourceforge.net

A simple, small, minimal, C++ XML parser that can be easily integrating into other programs. [zlib]

SimpleXlsxWriter sourceforge.net

XLSX files writer for Microsoft Excel 2007 and above. [zlib]

glmmTMB cran.r-project.org

LZMA sourceforge.net

zap: - The default and general compression method of 7z format. [PublicDomain] website

genetics cran.r-project.org

Dev-C++ sourceforge.net

A portable C/C++/C++11 IDE.

lp_solve sourceforge.net

A library used to formulate and solve linear programming problems. [LGPL] website

gap cran.r-project.org

libjson sourceforge.net

Lightweight JSON library. [?]

delta3d sourceforge.net

A robust simulation platform. [LGPL2]

Anjuta DevStudio sourceforge.net

The GNOME IDE. [GPL3]

foreach cran.r-project.org

Intel C++ Compiler software.intel.com

Developed by Intel.

fAssets cran.r-project.org

ergm cran.r-project.org

SW software-network.org

Cross-platform C++ (and other langs) Build System and Package Manager with a lot of packages available. [GPLv3]

IBM ICU site.icu-project.org

A set of C/C++ and Java libraries providing Unicode and Globalization support. [ICU]

sigslot sigslot.sourceforge.net

C++ Signal/Slot Library. [PublicDomain]

coda cran.r-project.org

sierra sierra-lang.github.io

A CISC-oriented programming language focused on creating maintainable programs.

caret cran.r-project.org

SeqAn seqan.de

Algorithms and data structures for the analysis of sequences with the focus on biological data. [BSD/3-clause]

brms cran.r-project.org

brew cran.r-project.org

Scintilla scintilla.org

A free source code editing component. [MIT]

bigrf cran.r-project.org

C++ Tutorial for Beginners scaler.com

A comprenhensive tutorial on C++ curated by trained experts.

bigRR cran.r-project.org

autograph cran.r-project.org

lwIP savannah.nongnu.org

A lightweight TCP/IP stack. [Modified BSD]

ape cran.r-project.org

Cxxomfort ryan.gulix.cl

A small, header-only library that backports various facilities from more recent C++ Standards to C++03 and later. [MIT]

XML cran.r-project.org

TTR cran.r-project.org

Robotics Library (RL) roboticslibrary.org

A self-contained C++ library for robot kinematics, motion planning and control. [BSD]

SDDA cran.r-project.org

SIP riverbankcomputing.com

C or C++ Bindings Generator for Python v2 and v3. [GPL]

Rsomoclu cran.r-project.org

ridiculousfish ridiculousfish.com

Will It Optimize?

Rmpi cran.r-project.org

Rextester rextester.com

Online compiler which provides several compilers(Clang, GCC, MSVC) and several editors.