/unix/misc:

GDB is the GNU Project source-level debugger that let you see what is going on inside another program while it executes.

NCO (netCDF Operators) are a suite of programs known as operators. The operators facilitate manipulation and analysis of self-describing data stored in the netCDF or HDF formats.

HDF5 (NCSA's Hierarchical Data Format 5) - a library and file format for storing scientific data (note: HDF5 and old HDF versions are NOT compatible; current stable release; source)

HDF5 (NCSA's Hierarchical Data Format 5) - a library and file format for storing scientific data (documentation of current stable release)

GCC - The GNU Compiler Collection is an integrated GNU compiler system for C, C++, Objective C, Chill, Fortran and Java (GCJ). Snapshot of the current release series.

Calc - C-style arbitrary precision calculator

QtiPlot is a program for two- and three-dimensional graphical presentation of data sets and for scientific data analysis (commercial support available).

libpng is the reference library supporting the PNG graphic file format (beta version)

PostgreSQL Object-Relational Data Base Management System (DBMS), supporting almost all SQL constructs, including subselects, transactions, and user-defined types and functions. Release candidate.

MongoDB is a high-performance, dynamic-schema, document-oriented (NoSQL) database combining the best features of JSON databases, key-value stores, and RDBMSes.

Nagios is an host/service/network monitoring system to identify and resolve IT infrastructure problems

SciTE is a source code editing component (used fpr e.g. by SciTE)

SciTE is a SCIntilla based Text Editor. Scintilla itself is a source code editing component supporting syntax styling, error indicators, code completion and call tips (source code; Linux binary is named "gscite").

lftp is a command line ftp client (FTP, HTTP, ssl support, background transfer, reget, reput, ...)

Mathomatic is a portable text mode Computer Algebra System (CAS).

FOX is a C++ based Toolkit for developing Graphical User Interfaces

Perl (Practical Extraction and Report Language) is a high-level, general-purpose, interpreted, dynamic programming language. Release candidate.

ImageMagick is a collection of tools and libraries to display and manipulate an image in many image formats

MySQL (SQL database server) Reference Manuals (different versions and formats; languages: en + de)

GCC - The GNU Compiler Collection is an integrated GNU compiler system for C, C++, Objective C, Chill, Fortran and Java (GCJ). Snapshot of the previous release series.

GNU M4 is an implementation of the traditional Unix macro processor.

Various Domain Name Service (DNS) utilities

Wireshark is a network traffic/protocol analyzer (old name was "ethereal")

GLib - low-level core C library used by GTK+ and GNOME. Development release.

xterm is a terminal emulator for X with ISO/ANSI color and vt220 enhancements.

GCC - The GNU Compiler Collection is an integrated GNU compiler system for C, C++, Objective C, Chill, Fortran and Java (GCJ). Snapshot of the oldest maintained release series.

GCC - The GNU Compiler Collection is an integrated GNU compiler system for C, C++, Objective C, Chill, Fortran and Java (GCJ). Snapshot of the active development version.

libpng is the reference library supporting the PNG graphic file format (beta version)

Lzip is a lossless file compressor based on the LZMA algorithm. It decompresses almost as fast as gzip and compresses better than bzip2, but requires more memory and time during compression.

OpenVPN - a secure IP tunneling (Virtual Private Network) daemon. OpenVPN supports SSL/TLS security, ethernet bridging, TCP or UDP tunnel transport through proxies or NAT, support for dynamic IP addresses and DHCP.

VLC (VideoLAN Client) is a multimedia player for various audio and video formats (MPEG-1/2/4, DivX, MP3, Vorbis, Ogg, ...) as well as DVDs, VCDs, and various streaming protocols.

Mercurial is a Source (Version) Control Management system designed for efficient handling of very large distributed projects

The Xen hypervisor is a virtual machine monitor for x86, x86_64, IA64, PowerPC and other CPU architectures that supports execution of multiple guest operating systems in isolated environments

RPM is a powerful and mature command-line driven package management system capable of installing, uninstalling, verifying, querying, and updating Unix software packages ("no longer Linux-centric").

Open MPI - A High Performance Message Passing Library. Open MPI is a project combining technologies and resources from several other projects (FT-MPI, LA-MPI, LAM/MPI, and PACX-MPI) in order to build the best MPI library available (release candidate).

Dovecot is an IMAP and POP3 server, written with security primarily in mind.

Stunnel - Universal SSL tunnel - works as SSL encryption wrapper between remote client and local (inetd-startable) or remote server. (beta version)

OTRS (Open Ticket Request System) is a ticket request and email management system to manage customer telephone calls and e-mails.

The Unix port of OpenBSD's OpenSSH (Secure Shell)

OpenSSH Portable Release (Secure Shell)

SQLite is a software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine. Source code.

SQLite is a software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine. The amalgamation (all preprocessed C code combined into a single source file).

SQLite is a software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine. Documentation.

ExifTool is a platform-independent Perl library plus a command-line application for reading, writing and editing meta information in image, audio and video files

Wine is an Open Source implementation of the MS Windows API on top of X, OpenGL, and Unix. Think of Wine as a compatibility layer for running Windows programs. Development release.

Perl (Practical Extraction and Report Language) is a high-level, general-purpose, interpreted, dynamic programming language. Development release.

MySQL - a SQL (Structured Query Language) database server (GA release for production use)

Git- a fast version control system respectively distributed source code management tool (designed to handle absolutely massive projects like the Linux kernel)

Net-SNMP contains various tools relating to the Simple Network Management Protocol (successor of the cmu-snmp library).

vsftpd is a "secure, fast and scalable" FTP server