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NAME

       GNUstep - A free implementation of the OpenStep standard

DESCRIPTION

       GNUstep  provides  an Object-Oriented application development framework
       and toolset for use on a wide variety of computer  platforms.   GNUstep
       is  based on the original OpenStep specification provided by NeXT, Inc.
       (now Apple).

       GNUstep is written in Objective-C, an object-oriented superset of the C
       programming  language,  similar  to  SmallTalk.  However  there exist a
       number of brigdes and interfaces  to  develop  GNUstep  programs  using
       other languages like JAVA or Ruby.

       The  GNUstep  core  system  consists  of the following parts, which are
       jointly refered to as gnustep-core :

       gnustep-make
              A set of scripts and makefiles that heavily  ease  the  creation
              and maintenance of software projects.

       gnustep-base
              The   FoundationKit   libraries   for  non-GUI  tools  providing
              everything from string and array classes, filemanager classes to
              distributed objects.

       gnustep-gui
              The  ApplicationKit  containing  widgets,  workspace classes and
              means for applications to interact with the user.  This  is  the
              frontend of GNUstep's GUI part.

       gnustep-back
              This  is the backend of GNUstep's GUI part which does the actual
              rendering and  event  handling.  It  acts  as  a  layer  between
              gnustep-gui and the operating/drawing system. Backends exist for
              X11 (one using cairo, one using libart, one using xlib  drawing)
              and win32.

       Apart  from  the  above,  there exist a number of addon libraries, like
       Renaissance which allows developers to specify  an  application's  user
       interface  in  xml.  For  database  access, there is GDL2 - the GNUstep
       Database  Library.  Please  refer  to  the  GNUstep  website  for  more
       information.

       GNUstep  per  default  is  self-contained.  That means that all GNUstep
       applications, tools, libraries  and  add-ons  are  installed  into  the
       GNUstep  directory  hierarchy.  However  as of gnustep-make-2.0.0 it is
       also possible to install everything in compliance with other filesystem
       hierarchies.  See the FilesystemLayouts directory in the source package
       of gnustep-make for more information.

       There are four domains which are searched for files: the System domain,
       which should only contain the core system files, the Local domain which
       stores all that has later been installed on  the  system,  the  Network
       domain  which  should  be used for importing data from a remote system,
       and the User domain which resides in the user's home directory  (mostly
       ~/GNUstep).

       A  complete  description  of the default GNUstep layout can be found in
       the filesystem.pdf.

   TOOLS AND APPLICATIONS
       In the world of GNUstep the term tool refers to command  line  programs
       whereas  applications are fully fledged GUI programs.  Naturally, tools
       reside in the domains' Tools folder, applications can be found  in  the
       domains' Applications folder.

       Applications  are either launched using the openapp command or from the
       Workspace.

   SERVICES
       In  GNUstep  applications  globally  offer   functionality   to   other
       applications  through  services.   They  can  be  reached  through  the
       Services menu entry in an application's main menu. Apart from  services
       offered  by  applications,  there may be programs whose sole purpose is
       the  offering  of  services.  They  can  be  found  in   the   domains'
       Libary/Services folders.

       The  make_services  tool  makes  sure  the  services are known to other
       applications when a application is newly installed.

   BUNDLES
       A bundle is a collection of resources making up a discrete package  for
       use.   There  are  currently  three  types  of  bundles:  applications,
       frameworks and loadable bundles.

       A loadable bundle is a kind of plug-in. There are two types of loadable
       bundles,  namely plug-ins and palettes. The plug-in is noramlly refered
       to as a bundle, which can make it a  bit  confusing.  A  plug-in  is  a
       bundle  that  can  be  loaded  by  an application to provide additional
       functionality, while a palette is a plug-in  for  GORM,  the  interface
       builder.  A  palette  is  used  to  extend GORM with custom UI objects.
       Palettes have a .palette extension.

   THE WORKSPACE
       The central place of the user interface is the Workspace  or  Workspace
       Manager  which  acts  as an interface between the user and parts of the
       system like files, processes, etc. The GWorkspace application  provides
       this  functionality  in  GNUstep.  See  the GWorkspace website for more
       details.

   DEVELOPER APPLICATIONS
       What would a development environment be  without  the  applications  to
       create  applications?  The  applications  provided by GNUstep for Rapid
       Application Developement are:

       GORM   GORM is the interface modeler. With GORM you can quickly  create
              the graphical interface of your application.

       Project Center
              Project  Center  is  the  program  where  you  can  develop your
              program. It offers you automatic generation  of  GNUmakefiles  ,
              project maintenance and of course a code editor.

SEE ALSO

       gcc(1), gdnc(1), gdomap(8), gopen(1), gpbs(1), make(1), openapp(1)

       GNUstep Websites:

       http://www.gnustep.org/
              Official GNUstep website

       http://wiki.gnustep.org/
              GNUstep Wiki (lots of useful information)

       http://savannah.gnu.org/projects/gnustep/
              GNUstep Project Page

       http://gnustep.made-it.com/
              GNUstep Documentation Library

       http://www.collaboration-world.com
              Collaboration World, the home of GNUmail

       http://www.gnustep.it/
              The  home  of  GWorkspace,  JIGS,  Renaissance  and  programming
              tutorials.

       Mailinglists

       http://www.gnustep.org/information/gethelp.html
              Mailing lists and mailing list archives.

       IRC

       #GNUstep on FreeNode
              You are invited to join the #GNUstep  IRC  channel  on  FreeNode
              (irc.freenode.net).

HISTORY

       GNUstep  was  at  first  a collaboration of two projects that wanted to
       create  a  single  GNUstep  project  that  complied  to  the   OpenStep
       specification  provided  by  NeXT  Computer,  Inc.  and  SunSoft,  Inc.
       Development of this joint effort started around 1993-1994. For  a  more
       detailed  history  description  see  the  GNUstep Documentation Library
       referenced in the SEE ALSO section.

       GNUstep is developed and maintained by a large number of people. Please
       see <http://www.gnustep.org/developers/whoiswho.html> for a list.

AUTHORS

       This   man-page   was  first  written  by  Martin  Brecher  <martin@mb-
       itconsulting.com> in august of 2003.

       In December 2007 it was expanded by Dennis  Leeuw  <dleeuw@made-it.com>
       and made to comply with the gnustep-make-2.0.x releases.