List of open-source code libraries

Library Name	Programming Language	Open Source License
Accord.NET libraries	C#
Apache Lucene	C#
ASP.NET Core	C#
Dapper ORM	C#
EDXL Sharp	C#
Framework Class Library	C#
Infer.NET	C#
Math.NET Numerics	C#
ML.NET	C#
NHibernate	C#
OpenTK	C#
SignalR	C#
Standard Libraries (CLI)	C#
Apache Portable Runtime	C
Automatically Tuned Linear Algebra Software	C, Fortran
Binary File Descriptor library	C
C POSIX library	C
C standard library	C
Cairo	C
Chipmunk	C
Core Foundation	C
DirectFB	C
Expat	C
Fast Artificial Neural Network	C
FFmpeg	C
FreeTDS	C
FreeType	C
Fontconfig	C
GD Graphics Library	C
GDK	C
GEGL	C
GIO	C
GLib	C
GNet	C
glibc	C
GNU Libtool	C
GNU Multiple Precision Arithmetic Library	C
GNU portability library	C
GNU Portable Threads	C
GNU Readline	C
GNU Scientific Library	C
GnuTLS	C
GObject	C
GTK library	C
GTK Scene Graph Kit	C
IUP	C
Libart	C
libavcodec	C
libcurl	C
libdca	C
libevent	C
libffi	C
libfixmath	C
libjpeg	C
Libpcap	C
libpng	C
LibRaw	C
LibreDWG	C
LibreSSL	C
Librsvg	C
libsndfile	C
LibTIFF	C
libusb	C
libuv	C
Libt2n	C
LibVNCServer	C
libvpx	C
libxml2	C
libxslt	C
Little CMS	C
LZFSE	C
Mbed TLS	C
Mesa	C
MsQuic	C
MuJoCo	C
MuPDF	C
Mustache	C
ncurses	C
Netpbm	C
Nettle	C
Newt	C
nghttp2	C
Oniguruma	C
OpenGL Utility Library	C
OpenJPEG	C
Oracle Berkeley DB	C
Pango	C
Perl Compatible Regular Expressions	C
PROJ	C
libpthread	C
raylib	C
Seed	C
Simple DirectMedia Layer	C
SVGALib	C
Systemd libraries	C
Tk	C
UMFPACK	C
Vorbis	C
VDPAU libvdpau	C
XCB	C
Xft	C
Xlib	C
XMLStarlet	C
zlib	C
Zopfli	C
Allegro	C, C++
ARToolKit	C, C++
DevIL	C, C++
FFTW	C, OCaml
	C, C++
GraphicsMagick	C, C++
ImageMagick library	C, C++, Perl, Python, Ruby, Java, PHP
International Components for Unicode	C, C++, Java
libcamera	C, C++
Math Kernel Library	C, C++, DPC++, Fortran
libSass	C, C++
libSBML	C, C++
LibX	C, C++, Python
MoltenVK	C, C++
Netlib	C, C++, Fortran, MATLAB
SQLite	C, C++, Swift, Python, Java
OpenSSL	C, C++
PLplot	C, C++, Fortran, Java, OCaml, Python, Tcl
PowerToys	C, C++
VDPAU	C, C++
Windows Template Library	C, C++
Armadillo	C++
Asio	C++
Bitpit	C++
Boost	C++
Botan	C++
C++ Standard Library	C++
Caffe	C++
CAPD	C++
CGAL	C++
Cinder	C++
ClanLib library	C++
Class Library for Numbers	C++
CppUnit	C++
Crypto++	C++
deal.II	C++
Dlib	C++
Effi libraries	C++
Eigen	C++
fastText	C++
FLTK	C++
Geospatial Data Abstraction Library	C++
General Polygon Clipper	C++
GLFW	C++
Google Test	C++
HarfBuzz	C++
Insight Segmentation and Registration Toolkit	C++
Jackets library	C++, MATLAB
JSBSim	C++
JUCE	C++
KDE Frameworks	C++
LEMON	C++
LevelDB	C++
Libdash	C++
libLAS	C++
libsigc++	C++
LIVE555	C++
Metakit	C++
Microsoft SEAL	C++
Loki library	C++
mlpack	C++
Mobile Robot Programming Toolkit	C++
Open Asset Import Library	C++
Open Cascade libraries	C++
OpenFOAM	C++
OpenImageIO	C++
OpenNN	C++
OpenVDB	C++
openFrameworks	C++
OpenRTM-aist	C++
Orfeo toolbox	C++
OR-Tools	C++
PhysX SDK	C++
POCO C++ Libraries	C++
Poppler	C++
Protocol Buffers	C++
Qt	C++
QuantLib	C++
RocksDB	C++
ROOT	C++
Scintilla	C++
Simple and Fast Multimedia Library	C++
Skia Graphics library	C++
Snappy	C++
Standard Template Library (STL)	C++
Stapl	C++
SymbolicC++	C++
TBOX	C++
TerraLib	C++
Tesseract OCR	C++
Threading Building Blocks	C++
ThreadWeaver	C++
TinyXML	C++
VTD-XML	C++
wxWidgets	C++
x265	C++
Apache MXNet	C++, Python, Julia, R
ALGLIB	C++, C#, Python, Java, Lua
CMU Sphinx	C++, Java
Data Analytics Library	C++, Java, Python
fastText	C++, Python
OpenCV	C++, Python, Java
Shogun (toolbox)	C++, Python, Java
Microsoft Cognitive Toolkit	C++, Python
Robot Operating System library	C++, Python, Lisp
XGBoost	C++, Python, R
Apache SINGA	Python, C++
AppJar	Python
Astropy	Python
Beautiful Soup	Python
Biopython	Python
Chainer	Python
CatBoost	Python
CheetahTemplate	Python
Construct	Python
Cubes	Python
CuPy	Python
Dask	Python
DEAP	Python
DeepSpeed	Python
Genshi	Python
Gensim	Python
Graph-tool	Python
Horovod	Python
JAX	Python
Jinja	Python
Keras	Python
Mako	Python
Manim	Python
Matplotlib	Python
mlpy	Python
MNE-Python	Python
Natural Language Toolkit	Python
NeuroKit	Python
NetworkX	Python
NumPy	Python
OceanParcels	Python
OpenAI Gym	Python
Orange	Python
Pandas	Python
Plotly.py	Python
ProbLog library	Python
PsychoPy	Python
pvlib python	Python
Pygame	Python
Pyglet	Python
PyGObject	Python
PyMC	Python
Python Imaging Library	Python
PyroBot library	Python
PyTorch	Python
PyTorch Lightning	Python
Qiskit	Python
Query Abstraction Layer	Python
RDFLib	Python
RDKit	Python
Requests	Python
RPyC	Python
Sage Manifolds	Python
scikit-image	Python
scikit-learn	Python
scikit-multiflow	Python
SciPy	Python
SimpleITK	Python
spaCy	Python
SQLAlchemy	Python
SQLObject	Python
Storm	Python
SymPy	Python
TensorFlow	Python
Theano	Python
TomoPy	Python
Transformers Library	Python
VPython	Python
wxPython	Python
XDMF	Python
Angular Material	TypeScript
AngularJS Material	TypeScript
D3.js	JavaScript
Babylon.js	JavaScript
BioJS	JavaScript
Blockly	JavaScript
Bootstrap	JavaScript
Chart.js	JavaScript
D3.js	JavaScript
Dojo Toolkit	JavaScript
Express.js	JavaScript
Google Closure Library	JavaScript
jQuery	JavaScript
JsRender/JsViews	JavaScript
Lodash	JavaScript
NestJS	JavaScript
MathJax	JavaScript
Polymer	JavaScript, HTML
Processing libraries	JavaScript
RGraph	JavaScript
Raphaël	JavaScript
React	JavaScript
Three.js	JavaScript
Velocity	JavaScript
Vue.js	JavaScript
Webix	JavaScript
WinJS	JavaScript, TypeScript
RiTa	JavaScript, Java
Apache Ant repository	Java
Apache Calcite	Java
Apache Commons	Java
Apache CXF	Java
Apache Empire-db	Java
Apache Lucene	Java
Apache Maven	Java
Apache OpenNLP	Java
Apache PDFBox	Java
Apache Phoenix	Java
Apache POI	Java
Apache Velocity	Java
Apache Xalan	Java
Apache Xerces	Java
Apache XMLBeans	Java
BioJava	Java
Bouncy Castle (cryptography)	Java
Cassowary	Java
Chemistry Development Kit	Java
Colt	Java
Cytoscape	Java
Deeplearning4j	Java
Dom4j	Java
Exp4j	Java
Flying Saucer	Java
GNU Classpath	Java
Google Guava library	Java
Google Guice	Java
Google Web Toolkit	Java
Gson	Java
Infinispan	Java
iText	Java
Jackson	Java
Javolution	Java
Java Class Library	Java
JavaFX	Java
Java-gnome	Java
Java OpenGL	Java, C
Jblas: Linear Algebra for Java	Java
JFace	Java
JFugue	Java
jMusic	Java
jsoup	Java
JUnit	Java
LibGDX	Java
Log4j	Java
LWJGL	Java
Mallet	Java
MOEA Framework	Java
Netty	Java
Neuroph	Java
ObjectWeb ASM	Java
OjAlgo	Java
OpenPDF	Java
Open [Source Physics]	Java
OpenWire	Java
Parallel Colt	Java
Parboiled	Java
Processing	Java
Quartz	Java
SLF4J	Java
Spring Batch	Java
Spring Framework	Java
StAX	Java
Standard Widget Toolkit	Java
Swing	Java
Thymeleaf	Java
Verax IPMI	Java
XStream	Java
BioRuby	Ruby
Eulim	Ruby
eRuby	Ruby
Haml	Ruby
Nokogiri	Ruby
RSpec	Ruby
RubyGems	Ruby
Ruby on Rails	Ruby
Sinatra	Ruby
ADOdb	PHP
AmfPHP	PHP
Composer	PHP
Doctrine	PHP
Guzzle	PHP
Laravel	PHP
Laminas	PHP
li3	PHP
PHPMailer	PHP
RedBeanPHP	PHP
Simple Cloud API	PHP
SimpleXML	PHP
Symfony	PHP
Twig	PHP
XHP	PHP, Hack
Rocket	Rust
Rustls	Rust
Tokio	Rust
Standard ML Basis Library	Standard ML
FCL-Web	Pascal
fpGUI	Pascal
Turbo Vision	Pascal, C++
Widgetset	Pascal
Free Component Library	Object Pascal
FireMonkey	Delphi, C++
Free Pascal Runtime Library	Object Pascal, Delphi
Lazarus Component Library	Object Pascal
GNU lightning	Assembly language, C
Libffi	Assembly language, C
Basic Linear Algebra Subprograms	Fortran, C, R
LAPACK	Fortran, C
Dart core libraries	Dart
GORM	Go
Haskell Platform	Haskell
HaXml	Haskell
Parsec (parser)	Haskell
QuickCheck	Haskell
wxHaskell	Haskell
Haxe library	Haxe
INTLAB	MATLAB, GNU Octave
Torch	Lua
Flux	Julia
Owl Scientific Computing	OCaml, C
BioPerl	Perl
CPAN	Perl
CGI.pm	Perl
DBIx::Class	Perl
Gtk2-Perl	Perl
Mojolicious	Perl
Moose	Perl
Perl Data Language	Perl
Perl DBI	Perl
Perl Object Environment	Perl
Template Toolkit	Perl
DESeq2	R
igraph	R, Python, C, Ruby, MATLAB
LIBSVM	R
R package	R
rnn	R
Lisp Interface Manager">Lisp (programming language)">Lisp Interface Manager	Common Lisp
Common Lisp library	Common Lisp
Chicken eggs	Chicken Scheme
Perfect	Swift
Vapor	Swift