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## Compiler
| Module | Description |
| ------ | ----------- |
| [GCC](http://gcc.gnu.org/) | The GNU Compiler Collection includes front ends for C, C++, Objective-C, Fortran, Java, and Ada, as well as libraries for these languages (libstdc++, libgcj,...). |
| [GCCcore](http://gcc.gnu.org/) | The GNU Compiler Collection includes front ends for C, C++, Objective-C, Fortran, Java, and Ada, as well as libraries for these languages (libstdc++, libgcj,...). |
| [icc](http://software.intel.com/en-us/intel-compilers/) | Intel C and C++ compilers |
| [ifort](http://software.intel.com/en-us/intel-compilers/) | Intel Fortran compiler |
## Devel
| Module | Description |
| ------ | ----------- |
| [Autoconf](http://www.gnu.org/software/autoconf/) | Autoconf is an extensible package of M4 macros that produce shell scripts to automatically configure software source code packages. These scripts can adapt the packages to many kinds of UNIX-like systems without manual user intervention. Autoconf creates a configuration script for a package from a template file that lists the operating system features that the package can use, in the form of M4 macro calls. |
| [Automake](http://www.gnu.org/software/automake/automake.html) | Automake: GNU Standards-compliant Makefile generator |
| [Autotools](http://autotools.io) | This bundle collect the standard GNU build tools: Autoconf, Automake and libtool |
| [M4](http://www.gnu.org/software/m4/m4.html) | GNU M4 is an implementation of the traditional Unix macro processor. It is mostly SVR4 compatible although it has some extensions (for example, handling more than 9 positional parameters to macros). GNU M4 also has built-in functions for including files, running shell commands, doing arithmetic, etc. |
| [ncurses](http://www.gnu.org/software/ncurses/) | The Ncurses (new curses) library is a free software emulation of curses in System V Release 4.0, and more. It uses Terminfo format, supports pads and color and multiple highlights and forms characters and function-key mapping, and has all the other SYSV-curses enhancements over BSD Curses. |
| [PCRE](http://www.pcre.org/) | The PCRE library is a set of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5. |
| [SQLite](http://www.sqlite.org/) | SQLite: SQL Database Engine in a C Library |
## Lang
| Module | Description |
| ------ | ----------- |
| [Bison](http://www.gnu.org/software/bison) | Bison is a general-purpose parser generator that converts an annotated context-free grammar into a deterministic LR or generalized LR (GLR) parser employing LALR(1) parser tables. |
| [flex](http://flex.sourceforge.net/) | Flex (Fast Lexical Analyzer) is a tool for generating scanners. A scanner, sometimes called a tokenizer, is a program which recognizes lexical patterns in text. |
| [Tcl](http://www.tcl.tk/) | Tcl (Tool Command Language) is a very powerful but easy to learn dynamic programming language, suitable for a very wide range of uses, including web and desktop applications, networking, administration, testing and many more. |
## Lib
| Module | Description |
| ------ | ----------- |
| [libffi](http://sourceware.org/libffi/) | The libffi library provides a portable, high level programming interface to various calling conventions. This allows a programmer to call any function specified by a call interface description at run-time. |
| [libreadline](http://cnswww.cns.cwru.edu/php/chet/readline/rltop.html) | The GNU Readline library provides a set of functions for use by applications that allow users to edit command lines as they are typed in. Both Emacs and vi editing modes are available. The Readline library includes additional functions to maintain a list of previously-entered command lines, to recall and perhaps reedit those lines, and perform csh-like history expansion on previous commands. |
| [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. |
| [libxml2](http://xmlsoft.org/) | Libxml2 is the XML C parser and toolchain developed for the Gnome project (but usable outside of the Gnome platform). |
| [zlib](http://www.zlib.net/) | zlib is designed to be a free, general-purpose, legally unencumbered -- that is, not covered by any patents -- lossless data-compression library for use on virtually any computer hardware and operating system. |
## Mpi
| Module | Description |
| ------ | ----------- |
| [impi](http://software.intel.com/en-us/intel-mpi-library/) | Intel MPI Library, compatible with MPICH ABI |
| [OpenMPI](http://www.open-mpi.org/) | The Open MPI Project is an open source MPI-2 implementation. |
## Numlib
| Module | Description |
| ------ | ----------- |
| [FFTW](http://www.fftw.org) | FFTW is a C subroutine library for computing the discrete Fourier transform (DFT) in one or more dimensions, of arbitrary input size, and of both real and complex data. |
| [imkl](http://software.intel.com/en-us/intel-mkl/) | Intel Math Kernel Library is a library of highly optimized, extensively threaded math routines for science, engineering, and financial applications that require maximum performance. Core math functions include BLAS, LAPACK, ScaLAPACK, Sparse Solvers, Fast Fourier Transforms, Vector Math, and more. |
| [OpenBLAS](http://xianyi.github.com/OpenBLAS/) | OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version. |
| [ScaLAPACK](http://www.netlib.org/scalapack/) | The ScaLAPACK (or Scalable LAPACK) library includes a subset of LAPACK routines redesigned for distributed memory MIMD parallel computers. |
## Phys
| Module | Description |
| ------ | ----------- |
| [VASP](http://www.vasp.at) | The Vienna Ab initio Simulation Package (VASP) is a computer program for atomic scale materials modelling, e.g. electronic structure calculations and quantum-mechanical molecular dynamics, from first principles. To use VASP, You need academic licenses from University of Wiena. Follow the instructions https://www.vasp.at/index.php/faqs. Then send us please a list of authorized users and their ID for which you need this access. Please use only http://support.it4i.cz/rt. We are responsible to verify your licenses. After succesfull verification You will be granted to use VASP in our enviroment. |
## System
| Module | Description |
| ------ | ----------- |
| [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. |
## Toolchain
| Module | Description |
| ------ | ----------- |
| [foss](https://easybuild.readthedocs.io/en/master/Common-toolchains.html#foss-toolchain) | GNU Compiler Collection (GCC) based compiler toolchain, including OpenMPI for MPI support, OpenBLAS (BLAS and LAPACK support), FFTW and ScaLAPACK. |
| gompi | GNU Compiler Collection (GCC) based compiler toolchain, including OpenMPI for MPI support. |
| [iccifort](http://software.intel.com/en-us/intel-cluster-toolkit-compiler/) | Intel C, C++ & Fortran compilers |
| [iimpi](http://software.intel.com/en-us/intel-cluster-toolkit-compiler/) | Intel C/C++ and Fortran compilers, alongside Intel MPI. |
| [intel](http://software.intel.com/en-us/intel-cluster-toolkit-compiler/) | Compiler toolchain including Intel compilers, Intel MPI and Intel Math Kernel Library (MKL). |
## Tools
| Module | Description |
| ------ | ----------- |
| [binutils](http://directory.fsf.org/project/binutils/) | binutils: GNU binary utilities |
| [bzip2](http://departments.icmab.es/leem/siesta) | bzip2 is a freely available, patent free, high-quality data compressor. It typically compresses files to within 10% to 15% of the best available techniques (the PPM family of statistical compressors), whilst being around twice as fast at compression and six times faster at decompression. |
| [EasyBuild](https://easybuilders.github.io/easybuild) | EasyBuild is a software build and installation framework written in Python that allows you to install software in a structured, repeatable and robust way. |
| [help2man](https://www.gnu.org/software/help2man/) | help2man produces simple manual pages from the '--help' and '--version' output of other commands. |
| [numactl](http://oss.sgi.com/projects/libnuma/) | The numactl program allows you to run your application program on specific cpu's and memory nodes. It does this by supplying a NUMA memory policy to the operating system before running your program. The libnuma library provides convenient ways for you to add NUMA memory policies into your own program. |
| [QEMU](http://wiki.qemu.org/Main_Page) | QEMU is a generic and open source machine emulator and virtualizer. |
| [util-linux](http://www.kernel.org/pub/linux/utils/util-linux) | Set of Linux utilities |
| [VDE2](http://vde.sourceforge.net) | VDE is an ethernet compliant virtual network that can be spawned over a set of physical computer over the Internet. VDE is part of virtualsquare project. |
## Vis
| Module | Description |
| ------ | ----------- |
| [GLib](http://www.gtk.org/) | GLib is one of the base libraries of the GTK+ project |
| [pixman](http://www.pixman.org/) | Pixman is a low-level software library for pixel manipulation, providing features such as image compositing and trapezoid rasterization. Important users of pixman are the cairo graphics library and the X server. |