Expat is an XML parser library written in C. It is a stream-oriented parser in which an application registers handlers for things the parser might find in the XML document (like start tags). This project aims to maintain Expat for both current and future users while improving the API to allow more reliable and robust access from "scripting" languages such as Python and Perl. Expat is one of the fastest non-validating XML parsers.

Expat is an XML parser library written in C. It is a stream-oriented parser in which an application registers handlers for things the parser might find in the XML document (like start tags).

Expat

Subversion is an open source version control system. Founded in 2000 by CollabNet, Inc., the Subversion project and software have seen incredible success over the past decade. The open source community has used Subversion widely: for example in projects such as Apache Software Foundation, Free Pascal, FreeBSD, GCC, Django, Ruby, Mono, SourceForge, ExtJS, Tigris.org, PHP and MediaWiki. Google Code also provides Subversion hosting for their open source projects. Its feature include 
 <UL>
	<LI>Most CVS features</LI>
	<LI>Directories are versioned</LI>
	<LI>Copying, deleting, and renaming are versioned</LI>
	<LI>Atomic commits</LI>
	<LI>Branching and tagging are cheap (constant time) operations</LI>
	<LI>Merge tracking</LI>
	<LI>File locking</LI>
	<LI>Apache network server option, with WebDAV/DeltaV protocol</LI>
	<LI>Symbolic links can be versioned</LI>
	<LI>Standalone server option (svnserve) </LI>
	<LI>Localized messages</LI>
	<LI>Interactive conflict resolution</LI>
	<LI>Repository read-only mirroring</LI>
	<LI>Natively client/server, layered library design with clean APIs</LI>
	<LI>Binary files handled efficiently </LI>
	<LI>Bindings to programming languages such as such as Python, Perl, Java, and Ruby</LI>
	<LI>Changelists</LI>
 </UL>

Subversion is an open source version control system. Founded in 2000 by CollabNet, Inc., the Subversion project and software have seen incredible success over the past decade. The open source community has used Subversion widely: for example in projects such as Apache Software Foundation, Free Pascal, FreeBSD, GCC, Django, Ruby, Mono, SourceForge, ExtJS, Tigris.org, PHP and MediaWiki. Google Code also provides Subversion hosting for their open source projects.

Subversion

Git is a free & open source, distributed version control system designed to handle everything from small to very large projects with speed and efficiency. Every Git clone is a full-fledged repository with complete history and full revision tracking capabilities, not dependent on network access or a central server. Branching and merging are fast and easy to do. Its features include: 
 <UL>
	<LI>Distributed development </LI>
	<LI>Strong support for non-linear development</LI>
	<LI>Efficient handling of large projects</LI>
	<LI>Cryptographic authentication of history</LI>
	<LI>Toolkit design</LI>
 </UL>

Git is a free & open source, distributed version control system designed to handle everything from small to very large projects with speed and efficiency.

PuTTY is a free implementation of Telnet and SSH for Windows and Unix platforms, along with an xterm terminal emulator. It is written and maintained primarily by Simon Tatham.

Putty

KiTTY is an open source alternative to Putty. KiTTY is a fork from version 0.60 of PuTTY, the best telnet / SSH client in the world. KiTTY is only designed for the Microsoft Windows platform. Its feature include
 <UL>
	<LI>Running a locally saved script on a remote session </LI>
	<LI>SSH Handler: Internet Explorer integration</LI>
	<LI>Binary compression </LI>
	<LI>Clipboard printing </LI>
	<LI>A light chat server is hidden in KiTTY </LI>
	<LI>A hidden text editor is integrated into KiTTY </LI>
	<LI>Shortcuts for pre-defined command </LI>
	<LI>The session launcher </LI>
	<LI>Quick start of a duplicate session </LI>
	<LI>Protection against unfortunate keyboard input </LI>
	<LI>An icon for each session </LI>
 </UL>

KiTTY is an open source alternative to Putty. KiTTY is a fork from version 0.60 of PuTTY, the best telnet / SSH client in the world. KiTTY is only designed for the Microsoft Windows platform.

Kitty

Gammu is the name of the project as well as name of command line utility, which you can use to control your phone. Gammu command line utility provides access to wide range of phone features, however support level differs from phone to phone and you might want to check <A HREF="http://wammu.eu/phones/" target="_blank">Gammu Phone Database</A> for user experiences with various phones. To name a few, Nokia, Samsung, Apple, Siemens, Motorola, LG, Alcatel are using this product. Its features include:
 <UL>
	<LI>Call listing, initiating and handling</LI>
	<LI>SMS retrieval, backup and sending</LI>
	<LI>MMS retrieval</LI>
	<LI>Phonebook listing, export and import (also from standard formats such as vCard)</LI>
	<LI>Calendar and tasks listing, export and import (also from standard formats such as vCalendar or iCalendar)</LI>
	<LI>Retrieval of phone and network information</LI>
	<LI>Access to phone file system (note that some phones work also as USB storage devices and those are not accessible through Gammu)</LI>
 </UL>	
 
Wammu is mobile phone manager running on Linux, Windows and possibly other
platforms, where libGammu and wxPython works. The communication is made by Gammu library. Currently supported features: 
<ul>
<li>complete support (can read/edit/delete/copy) for contacts, todo, calendar</li>
<li>can read/create/save/send/backup smses</li>
<li>sending files to phone (OBEX and Sony Ericsson phones only)</li>
<li>sms composer for multi part smses (currently only text and predefined bitmap/sound can be edited)</li>

<li>display message including pictures and ringtones playback</li>
<li>support for backup and import in various formats (vCard, vCalendar, vTodo, iCalendar, gammu own backup,...)</li>
<li>export messages to mail (IMAP4, maildir and mailbox storages are supported)</li>
<li>searching for phone</li>
<li>translated into several languages</li>
<li>rated as best on many software servers</li>
</ul>
Its other project includes Gammu-SMSD - SMS daemon service to receive and send messages automatically and Python-Gammu ,Python bindings for libGammu, so that you can use it from Python scripts.

Gammu and Wammu provides support to talk to any phone using standard API provided by libGammu. The most popular and widely used in various phones which includes Nokia, Siemens, Samsung, Motorola, LG, Alcatel. It provides support to send and receive SMS and MMS, Calendar, Contacts, backup SMS etc.

[GW]ammu - Talk to any phone

Memcached is high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load. Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects) from results of database calls, API calls, or page rendering. Memcached is simple yet powerful. Its simple design promotes quick deployment, ease of development, and solves many problems facing large data caches. Its API is available for most popular languages. Memcaached is used in LiveJournel, Wikipedia, Flickr, Bebo, Twitter, Youtube, Digg, etc.

Memcached is high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load. Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects) from results of database calls, API calls, or page rendering.

Memcached - distributed object caching system

Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids. It is based on a hierarchical design targeted at federations of clusters. It leverages widely used technologies such as XML for data representation, XDR for compact, portable data transport, and RRDtool for data storage and visualization. 
 
 It has been used to link clusters across university campuses and around the world and can scale to handle clusters with 2000 nodes. It relies on a multicast-based listen/announce protocol to monitor state within clusters. The ganglia system comprises two unique daemons, a PHP-based web front-end. 
 
 Demo:
 <UL>
	<LI><A HREF="http://monitor.millennium.berkeley.edu/" target="_blank">http://monitor.millennium.berkeley.edu/</A>. Monitoring of University of California Berkeley Grid.</LI>
	<LI><A HREF="http://ganglia.wikimedia.org/" target="_blank">http://ganglia.wikimedia.org/</A> Monitoring of Wikimedia grid</LI>
 </UL>
 Sourceforge location: <A HREF="http://sourceforge.net/projects/ganglia/" target="_blank">http://sourceforge.net/projects/ganglia/</A>

Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids. It is based on a hierarchical design targeted at federations of clusters. It leverages widely used technologies such as XML for data representation, XDR for compact, portable data transport, and RRDtool for data storage and visualization.

Ganglia - scalable distributed monitoring system

GnuCash allows you to track bank accounts, stocks, income and expenses. As quick and intuitive to use as a checkbook register, it is based on professional accounting principles to ensure balanced books and accurate reports. It supports Double entry accounting, Stock/Bond/Mutual Fund Accounts, Small-Business Accounting. 
 GnuCash has an integrated module to display graphs of your financial data in the form of Barcharts, Piecharts and Scatter plots. GnuCash also comes complete with a full suite of standard and customizable reports, such as Balance Sheet, Profit and Loss, Portfolio Valuation. It has multi-lingual and multi-currency. 
 <img src="/AppImages/Article/guncash-01.png" alt="" class="float-center">

GnuCash allows you to track bank accounts, stocks, income and expenses. As quick and intuitive to use as a checkbook register, it is based on professional accounting principles to ensure balanced books and accurate reports. It supports Double entry accounting, Stock/Bond/Mutual Fund Accounts, Small-Business Accounting.

Gnucash - Accounting Software

The Xen hypervisor is a layer of software running directly on computer hardware replacing the operating system thereby allowing the computer hardware to run multiple guest operating systems concurrently. It suppors x86, x86-64, Itanium, Power PC, and ARM processors allow the Xen hypervisor to run on a wide variety of computing devices. With Xen virtualization, a thin software layer known as the Xen hypervisor is inserted between the server's hardware and the operating system. This provides an abstraction layer that allows each physical server to run one or more "virtual servers", effectively decoupling the operating system and its applications from the underlying physical server.

The Xen hypervisor is a layer of software running directly on computer hardware replacing the operating system thereby allowing the computer hardware to run multiple guest operating systems concurrently. It suppors x86, x86-64, Itanium, Power PC, and ARM processors allow the Xen hypervisor to run on a wide variety of computing devices.

Xen - Open Source Virtualization

Ubuntu is a fork of Debian. Its main goal is to make easy to use Linux desktop. It provides stylish and intuitive user interface called Unity. All of the editions of Ubuntu share common infrastructure and software, making Ubuntu a unique platform that scales from consumer electronics to the desktop, and into the cloud for enterprise computing. It comes installed with a wide range of software. It supports 32 bit and 64 bit architecture.

Ubuntu - Operating System

The openSUSE project creates one of the world's best Linux distributions, working together in an open, transparent and friendly manner as part of the worldwide Free and Open Source Software community. It is aimed towards users and developers working on the desktop or server. It is great for beginners, experienced users and ultra geeks alike, in short, it is perfect for everybody. It comes with more than 1,000 open source applications.

openSUSE - Linux for Open Minds

Cygwin is a collection of tools which provide a Linux look and feel environment for Windows. It is a DLL (cygwin1.dll) which acts as a Linux API layer providing substantial Linux API functionality. The Cygwin tools are ports of the popular GNU development tools for Microsoft Windows. They can be used from one of the provided Unix shells like bash, tcsh or zsh.



Cygwin - Get that Linux feeling on Windows

Python is a remarkably powerful dynamic programming language that is used in a wide variety of application domains. It is embeddable within applications as a scripting interface. Build flexible data-driven code using Python's powerful and dynamic introspection capabilities and advanced language features such as meta-classes, duck typing and decorators.

Python - Programming Language

 AMANDA, the Advanced Maryland Automatic Network Disk Archiver, is a backup system that allows the administrator of a LAN to set up a single master backup server to back up multiple hosts to a single large capacity tape or disk drive. Amanda uses native tools (such as GNUtar, dump) for backup and can back up a large number of workstations running multiple versions of Unix/Mac OS X/Linux/Windows. 

Amanda - Network Backup Solution

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