conception in April 2005, Mercurial has been adopted by many projects

for revision control, including Xen, One Laptop Per Child, and the

Advanced Linux Sound Architecture (ALSA).  Mercurial runs on Unix-like systems, Mac

OS X, and Windows computers, and it is licensed under the GNU General

Public License.</p>

<h2><a href="http://www.metalinker.org/">Metalink</a></h2>

<p>Metalink is dedicated to improving downloads. Metalink makes it much

easier for people — especially those in areas with inferior Internet

connections — to download Open Source and Free Software. Metalink

increases the effectiveness and efficiency of downloads by combining the

speed, bandwidth distribution, and redundancy of an optimized hybrid

mirror/peer-to-peer network, without any questions of legality, integrity,

or safety.</p>

<h2><a href="http://www.openchange.org/">OpenChange</a></h2>

<p>OpenChange aims to provide a portable Open Source implementation of

  Microsoft Exchange Server and Exchange protocols.  Exchange is a

  groupware server designed to work with Microsoft Outlook, and providing

  features such as a messaging server, shared calendars, contact

  databases, public folders, notes and tasks.</p>

<h2><a href="http://pypy.org/">PyPy</a></h2>

<p>The PyPy project aims to provide:

<ul>

<li>a common translation and support framework for producing

implementations of dynamic languages, emphasising a clean

separation between language specification and implementation

aspects.</li>

<li>a compliant, flexible and fast implementation of the Python Language

using the above framework to enable new advanced features without having

to encode low level details into it.</li></ul>

</p>

<h2><a href="http://us1.samba.org/samba/">Samba</a></h2>

<p>Samba is a FOSS suite that provides seamless file and print

services to SMB/CIFS clients, namely, to Microsoft Windows. Samba is

freely available, unlike other SMB/CIFS implementations, and allows

for interoperability between Linux/Unix servers and Windows-based

clients.  Samba is software that can be run on a platform other than

Microsoft Windows. For example, Samba runs on Unix, GNU/Linux, IBM

System z, Solaris, Mac OS X, and OpenVMS, among others. It is

standard on virtually all distributions of GNU/Linux and is commonly

included as a basic system service on other UNIX-based systems as