| [dbus-glib](http://dbus.freedesktop.org/doc/dbus-glib) | D-Bus is a message bus system, a simple way for applications to talk to one another. |
| [Doxygen](http://www.doxygen.org) | Doxygen is a documentation system for C++, C, Java, Objective-C, Python, IDL (Corba and Microsoft flavors), Fortran, VHDL, PHP, C#, and to some extent D. |
| [fontsproto](http://www.freedesktop.org/wiki/Software/xlibs) | X11 font extension wire protocol |
| [GConf](https://projects.gnome.org/gconf/) | GConf is a system for storing application preferences. It is intended for user preferences; not configuration of something like Apache, or arbitrary data storage. |
| [glproto](http://www.freedesktop.org/wiki/Software/xlibs) | X protocol and ancillary headers |
| [GObject-Introspection](https://wiki.gnome.org/GObjectIntrospection/) | GObject introspection is a middleware layer between C libraries (using GObject) and language bindings. The C library can be scanned at compile time and generate a metadata file, in addition to the actual native C library. Then at runtime, language bindings can read this metadata and automatically provide bindings to call into the C library. |
| [gperf](http://www.gnu.org/software/gperf/) | GNU gperf is a perfect hash function generator. For a given list of strings, it produces a hash function and hash table, in form of C or C++ code, for looking up a value depending on the input string. The hash function is perfect, which means that the hash table has no collisions, and the hash table lookup needs a single string comparison only. |
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@@ -220,6 +221,7 @@
| [ETSF_IO](http://www.etsf.eu/resources/software/libraries_and_tools) | A library of F90 routines to read/write the ETSF file format has been written. It is called ETSF_IO and available under LGPL. |
| [FOX](http://fox-toolkit.org) | FOX is a C++ based Toolkit for developing Graphical User Interfaces easily and effectively. It offers a wide, and growing, collection of Controls, and provides state of the art facilities such as drag and drop, selection, as well as OpenGL widgets for 3D graphical manipulation. |
| [freeglut](http://freeglut.sourceforge.net/) | freeglut is a completely OpenSourced alternative to the OpenGL Utility Toolkit (GLUT) library. |
| [giflib](http://libungif.sourceforge.net/) | giflib is a library for reading and writing gif images. It is API and ABI compatible with libungif which was in wide use while the LZW compression algorithm was patented. |
| [glibc](https://www.gnu.org/software/libc/) | The Glibc package contains the main C library. This library provides the basic routines for allocating memory, searching directories, opening and closing files, reading and writing files, string handling, pattern matching, arithmetic, and so on. |
| [GLM](https://github.com/g-truc/glm) | OpenGL Mathematics (GLM) is a header only C++ mathematics library for graphics software based on the OpenGL Shading Language (GLSL) specifications. |
| [HyperLoom](https://code.it4i.cz/ADAS/loom) | Framework for distributed task execution |
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@@ -245,12 +247,14 @@
| [libsodium](http://doc.libsodium.org/) | Sodium is a modern, easy-to-use software library for encryption, decryption, signatures, password hashing and more. |
| [LibSoup](https://wiki.gnome.org/Projects/libsoup) | libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. |
| [LIBSVM](http://www.csie.ntu.edu.tw/~cjlin/libsvm/) | LIBSVM is an integrated software for support vector classification, (C-SVC, nu-SVC), regression (epsilon-SVR, nu-SVR) and distribution estimation (one-class SVM). It supports multi-class classification. |
| [libtasn1](https://www.gnu.org/software/libtasn1/) | Libtasn1 is the ASN.1 library used by GnuTLS, GNU Shishi and some other packages. It was written by Fabio Fiorina, and has been shipped as part of GnuTLS for some time but is now a proper GNU package. |
| [LibTIFF](http://www.remotesensing.org/libtiff/) | tiff: Library and tools for reading and writing TIFF data files |
| [libtool](http://www.gnu.org/software/libtool) | GNU libtool is a generic library support script. Libtool hides the complexity of using shared libraries behind a consistent, portable interface. |
| [libunistring](http://www.gnu.org/software/libunistring/) | This library provides functions for manipulating Unicode strings and for manipulating C strings according to the Unicode standard. |
| [libunwind](http://www.nongnu.org/libunwind/) | The primary goal of libunwind is to define a portable and efficient C programming interface (API) to determine the call-chain of a program. The API additionally provides the means to manipulate the preserved (callee-saved) state of each call-frame and to resume execution at any point in the call-chain (non-local goto). The API supports both local (same-process) and remote (across-process) operation. As such, the API is useful in a number of applications |
| [LibUUID](http://sourceforge.net/projects/libuuid/) | Portable uuid C library |
| [libuv](https://github.com/libuv) | libuv is a multi-platform support library with a focus on asynchronous I/O. It was primarily developed for use by Node.js, but it's also used by Luvit, Julia, pyuv, and others. |
| [libwebp](https://developers.google.com/speed/webp/) | WebP is a modern image format that provides superior lossless and lossy compression for images on the web. Using WebP, webmasters and web developers can create smaller, richer images that make the web faster. |
| [libxcb](http://xcb.freedesktop.org/) | The X protocol C-language Binding (XCB) is a replacement for Xlib featuring a small footprint, latency hiding, direct access to the protocol, improved threading support, and extensibility. |
| [libxml2](http://xmlsoft.org/) | Libxml2 is the XML C parser and toolchain developed for the Gnome project (but usable outside of the Gnome platform). |
| [libxslt](http://xmlsoft.org/) | Libxslt is the XSLT C library developed for the GNOME project (but usable outside of the Gnome platform). |
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@@ -261,6 +265,7 @@
| mpi4py | Old module, description not available. |
| [nettle](http://www.lysator.liu.se/~nisse/nettle/) | Nettle is a cryptographic library that is designed to fit easily in more or less any context: In crypto toolkits for object-oriented languages (C++, Python, Pike, ...), in applications like LSH or GNUPG, or even in kernel space. |
| [OpenCoarrays](http://www.opencoarrays.org) | OpenCoarrays is an open-source software project for developing, porting and tuning transport layers that support coarray Fortran compilers. |
| [OpenJPEG](http://www.openjpeg.org/) | OpenJPEG is an open-source JPEG 2000 codec written in C language. |
| [PROJ](http://trac.osgeo.org/proj/) | Program proj is a standard Unix filter function which converts geographic longitude and latitude coordinates into cartesian coordinates |
| [psycopg2](http://initd.org/psycopg/) | Psycopg is the most popular PostgreSQL adapter for the Python programming language. |
| [pylint](https://github.com/PyCQA/pylint) | Pylint is a Python source code analyzer which looks for programming errors, helps enforcing a coding standard and sniffs for some code smells (as defined in Martin Fowler's Refactoring book). |
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@@ -268,6 +273,7 @@
| [QCA](http://delta.affinix.com/qca/) | QCA aims to provide a straightforward and cross-platform crypto API, using Qt datatypes and conventions. QCA separates the API from the implementation, using plugins known as Providers |
| [Qwt](http://qwt.sourceforge.net/index.html) | The Qwt library contains GUI Components and utility classes which are primarily useful for programs with a technical background. Beside a framework for 2D plots it provides scales, sliders, dials, compasses, thermometers, wheels and knobs to control or display values, arrays, or ranges of type double. |
| [scipy](https://github.com/jupyter/testpath) | Test utilities for code working with files and commands |
| [SIONlib](http://www.fz-juelich.de/ias/jsc/EN/Expertise/Support/Software/SIONlib/_node.html) | SIONlib is a scalable I/O library for parallel access to task-local files. The library not only supports writing and reading binary data to or from several thousands of processors into a single or a small number of physical files, but also provides global open and close functions to access SIONlib files in parallel. This package provides a stripped-down installation of SIONlib for use with performance tools (e.g., Score-P), with renamed symbols to avoid conflicts when an application using SIONlib itself is linked against a tool requiring a different SIONlib version. |
| [spatialindex](https://libspatialindex.github.io/index.html) | The purpose of this library is to provide: * An extensible framework that will support robust spatial indexing methods. * Support for sophisticated spatial queries. Range, point location, nearest neighbor and k-nearest neighbor as well as parametric queries (defined by spatial constraints) should be easy to deploy and run. * Easy to use interfaces for inserting, deleting and updating information. |
| [SpatiaLite](https://www.gaia-gis.it/fossil/libspatialite/index) | SpatiaLite is an open source library intended to extend the SQLite core to support fully fledged Spatial SQL capabilities. |
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@@ -537,6 +543,8 @@
| ------ | ----------- |
| [eudev](https://wiki.gentoo.org/wiki/Project:Eudev) | eudev is a fork of systemd-udev with the goal of obtaining better compatibility with existing software such as OpenRC and Upstart, older kernels, various toolchains and anything else required by users and various distributions. |
| [hwloc](http://www.open-mpi.org/projects/hwloc/) | The Portable Hardware Locality (hwloc) software package provides a portable abstraction (across OS, versions, architectures, ...) of the hierarchical topology of modern architectures, including NUMA memory nodes, sockets, shared caches, cores and simultaneous multithreading. It also gathers various system attributes such as cache and memory information as well as the locality of I/O devices such as network interfaces, InfiniBand HCAs or GPUs. It primarily aims at helping applications with gathering information about modern computing hardware so as to exploit it accordingly and efficiently. |
| [libgcrypt](https://gnupg.org/related_software/libgcrypt/index.html) | Libgpg-error is a small library that defines common error values for all GnuPG components. |
| [libgpg-error](https://gnupg.org/related_software/libgpg-error/index.html) | Libgpg-error is a small library that defines common error values for all GnuPG components. |
| [LibreSSL](http://www.libressl.org/) | LibreSSL is a version of the TLS/crypto stack forked from OpenSSL in 2014, with goals of modernizing the codebase, improving security, and applying best practice development processes. Primary development occurs inside the OpenBSD source tree with the usual care the project is known for. On a regular basis the code is re-packaged for portable use by other operating systems (Linux, FreeBSD, Windows, etc). |
| [OpenPGM](http://code.google.com/p/openpgm/) | OpenPGM is an open source implementation of the Pragmatic General Multicast (PGM) specification in RFC 3208 available at www.ietf.org. PGM is a reliable and scalable multicast protocol that enables receivers to detect loss, request retransmission of lost data, or notify an application of unrecoverable loss. PGM is a receiver-reliable protocol, which means the receiver is responsible for ensuring all data is received, absolving the sender of reception responsibility. |
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@@ -659,6 +667,7 @@
| [GPI-2](http://www.gpi-site.com/gpi2/) | GPI-2 is an API for the development of scalable, asynchronous and fault tolerant parallel applications. |
| [grace](http://freecode.com/projects/grace) | Grace is a WYSIWYG 2D plotting tool for X Windows System and Motif. |
| [GraphicsMagick](http://www.graphicsmagick.org/) | GraphicsMagick is the swiss army knife of image processing. |
| [GST-plugins-base](http://gstreamer.freedesktop.org/) | GStreamer is a library for constructing graphs of media-handling components. The applications it supports range from simple Ogg/Vorbis playback, audio/video streaming to complex audio (mixing) and video (non-linear editing) processing. |
| [GStreamer](http://gstreamer.freedesktop.org/) | GStreamer is a library for constructing graphs of media-handling components. The applications it supports range from simple Ogg/Vorbis playback, audio/video streaming to complex audio (mixing) and video (non-linear editing) processing. |
| [GTK+](https://developer.gnome.org/gtk+/stable/) | The GTK+ 2 package contains libraries used for creating graphical user interfaces for applications. |
| [HarfBuzz](http://www.freedesktop.org/wiki/Software/HarfBuzz) | HarfBuzz is an OpenType text shaping engine. |
