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<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"/><meta name="viewport" content="width=device-width, initial-scale=0.8"/><title>22 More Libraries</title><link rel="stylesheet" type="text/css" href="../scribble.css" title="default"/><link rel="stylesheet" type="text/css" href="../racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-style.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../doc-site.css" title="default"/><script type="text/javascript" src="../scribble-common.js"></script><script type="text/javascript" src="../manual-racket.js"></script><script type="text/javascript" src="../manual-racket.js"></script><script type="text/javascript" src="../doc-site.js"></script><script type="text/javascript" src="../local-redirect/local-redirect.js"></script><script type="text/javascript" src="../local-redirect/local-user-redirect.js"></script><!--[if IE 6]><style type="text/css">.SIEHidden { overflow: hidden; }</style><![endif]--></head><body id="doc-racket-lang-org"><div class="tocset"><div class="tocview"><div class="tocviewlist tocviewlisttopspace"><div class="tocviewtitle"><table cellspacing="0" cellpadding="0"><tr><td style="width: 1em;"><a href="javascript:void(0);" title="Expand/Collapse" class="tocviewtoggle" onclick="TocviewToggle(this,"tocview_0");">▼</a></td><td></td><td><a href="index.html" class="tocviewlink" data-pltdoc="x">The Racket Guide</a></td></tr></table></div><div class="tocviewsublisttop" style="display: block;" id="tocview_0"><table cellspacing="0" cellpadding="0"><tr><td align="right">1 </td><td><a href="intro.html" class="tocviewlink" data-pltdoc="x">Welcome to Racket</a></td></tr><tr><td align="right">2 </td><td><a href="to-scheme.html" class="tocviewlink" data-pltdoc="x">Racket Essentials</a></td></tr><tr><td align="right">3 </td><td><a href="datatypes.html" class="tocviewlink" data-pltdoc="x">Built-<wbr></wbr>In Datatypes</a></td></tr><tr><td align="right">4 </td><td><a href="scheme-forms.html" class="tocviewlink" data-pltdoc="x">Expressions and Definitions</a></td></tr><tr><td align="right">5 </td><td><a href="define-struct.html" class="tocviewlink" data-pltdoc="x">Programmer-<wbr></wbr>Defined Datatypes</a></td></tr><tr><td align="right">6 </td><td><a href="modules.html" class="tocviewlink" data-pltdoc="x">Modules</a></td></tr><tr><td align="right">7 </td><td><a href="contracts.html" class="tocviewlink" data-pltdoc="x">Contracts</a></td></tr><tr><td align="right">8 </td><td><a href="i_o.html" class="tocviewlink" data-pltdoc="x">Input and Output</a></td></tr><tr><td align="right">9 </td><td><a href="regexp.html" class="tocviewlink" data-pltdoc="x">Regular Expressions</a></td></tr><tr><td align="right">10 </td><td><a href="control.html" class="tocviewlink" data-pltdoc="x">Exceptions and Control</a></td></tr><tr><td align="right">11 </td><td><a href="for.html" class="tocviewlink" data-pltdoc="x">Iterations and Comprehensions</a></td></tr><tr><td align="right">12 </td><td><a href="match.html" class="tocviewlink" data-pltdoc="x">Pattern Matching</a></td></tr><tr><td align="right">13 </td><td><a href="classes.html" class="tocviewlink" data-pltdoc="x">Classes and Objects</a></td></tr><tr><td align="right">14 </td><td><a href="units.html" class="tocviewlink" data-pltdoc="x">Units</a></td></tr><tr><td align="right">15 </td><td><a href="reflection.html" class="tocviewlink" data-pltdoc="x">Reflection and Dynamic Evaluation</a></td></tr><tr><td align="right">16 </td><td><a href="macros.html" class="tocviewlink" data-pltdoc="x">Macros</a></td></tr><tr><td align="right">17 </td><td><a href="languages.html" class="tocviewlink" data-pltdoc="x">Creating Languages</a></td></tr><tr><td align="right">18 </td><td><a href="concurrency.html" class="tocviewlink" data-pltdoc="x">Concurrency and Synchronization</a></td></tr><tr><td align="right">19 </td><td><a href="performance.html" class="tocviewlink" data-pltdoc="x">Performance</a></td></tr><tr><td align="right">20 </td><td><a href="parallelism.html" class="tocviewlink" data-pltdoc="x">Parallelism</a></td></tr><tr><td align="right">21 </td><td><a href="running.html" class="tocviewlink" data-pltdoc="x">Running and Creating Executables</a></td></tr><tr><td align="right">22 </td><td><a href="More_Libraries.html" class="tocviewselflink" data-pltdoc="x">More Libraries</a></td></tr><tr><td align="right">23 </td><td><a href="dialects.html" class="tocviewlink" data-pltdoc="x">Dialects of Racket and Scheme</a></td></tr><tr><td align="right">24 </td><td><a href="other-editors.html" class="tocviewlink" data-pltdoc="x">Command-<wbr></wbr>Line Tools and Your Editor of Choice</a></td></tr><tr><td align="right"></td><td><a href="doc-bibliography.html" class="tocviewlink" data-pltdoc="x">Bibliography</a></td></tr><tr><td align="right"></td><td><a href="doc-index.html" class="tocviewlink" data-pltdoc="x">Index</a></td></tr></table></div></div><div class="tocviewlist"><table cellspacing="0" cellpadding="0"><tr><td style="width: 1em;"><a href="javascript:void(0);" title="Expand/Collapse" class="tocviewtoggle" onclick="TocviewToggle(this,"tocview_1");">►</a></td><td>22 </td><td><a href="More_Libraries.html" class="tocviewselflink" data-pltdoc="x">More Libraries</a></td></tr></table><div class="tocviewsublistbottom" style="display: none;" id="tocview_1"><table cellspacing="0" cellpadding="0"><tr><td align="right">22.1 </td><td><a href="More_Libraries.html#%28part._graphics%29" class="tocviewlink" data-pltdoc="x">Graphics and GUIs</a></td></tr><tr><td align="right">22.2 </td><td><a href="More_Libraries.html#%28part._.The_.Web_.Server%29" class="tocviewlink" data-pltdoc="x">The Web Server</a></td></tr><tr><td align="right">22.3 </td><td><a href="More_Libraries.html#%28part._.Using_.Foreign_.Libraries%29" class="tocviewlink" data-pltdoc="x">Using Foreign Libraries</a></td></tr><tr><td align="right">22.4 </td><td><a href="More_Libraries.html#%28part._.And_.More%29" class="tocviewlink" data-pltdoc="x">And More</a></td></tr></table></div></div></div><div class="tocsub"><div class="tocsubtitle">On this page:</div><table class="tocsublist" cellspacing="0"><tr><td><span class="tocsublinknumber">22.1<tt> </tt></span><a href="More_Libraries.html#%28part._graphics%29" class="tocsubseclink" data-pltdoc="x">Graphics and GUIs</a></td></tr><tr><td><span class="tocsublinknumber">22.2<tt> </tt></span><a href="More_Libraries.html#%28part._.The_.Web_.Server%29" class="tocsubseclink" data-pltdoc="x">The Web Server</a></td></tr><tr><td><span class="tocsublinknumber">22.3<tt> </tt></span><a href="More_Libraries.html#%28part._.Using_.Foreign_.Libraries%29" class="tocsubseclink" data-pltdoc="x">Using Foreign Libraries</a></td></tr><tr><td><span class="tocsublinknumber">22.4<tt> </tt></span><a href="More_Libraries.html#%28part._.And_.More%29" class="tocsubseclink" data-pltdoc="x">And More</a></td></tr></table></div></div><div class="maincolumn"><div class="main"><div class="navsettop"><span class="navleft"><form class="searchform"><input class="searchbox" id="searchbox" type="text" tabindex="1" placeholder="...search manuals..." title="Enter a search string to search the manuals" onkeypress="return DoSearchKey(event, this, "8.6", "../");"/></form> <a href="https://docs.racket-lang.org/index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot("8.6");">top</a><span class="tocsettoggle"> <a href="javascript:void(0);" title="show/hide table of contents" onclick="TocsetToggle();">contents</a></span></span><span class="navright"> <a href="exe.html" title="backward to "21.3 Creating Stand-Alone Executables"" data-pltdoc="x">← prev</a> <a href="index.html" title="up to "The Racket Guide"" data-pltdoc="x">up</a> <a href="dialects.html" title="forward to "23 Dialects of Racket and Scheme"" data-pltdoc="x">next →</a></span> </div><h3 x-source-module="(lib "scribblings/guide/guide.scrbl")" x-source-pkg="racket-doc" x-part-tag=""More_Libraries"">22<tt> </tt><a name="(part._.More_.Libraries)"></a>More Libraries</h3><p>This guide covers only the Racket language and libraries that are
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documented in <a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?doc=reference&rel=index.html&version=8.6" class="Sq" data-pltdoc="x">The Racket Reference</a>. The Racket distribution includes many
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additional libraries.</p><h4 x-source-module="(lib "scribblings/guide/guide.scrbl")" x-source-pkg="racket-doc" x-part-tag=""graphics"">22.1<tt> </tt><a name="(part._graphics)"></a>Graphics and GUIs</h4><p>Racket provides many libraries for graphics and graphical user
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interfaces (GUIs):</p><ul><li><p>The <a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?doc=draw&rel=index.html&version=8.6" class="RktModLink Sq" data-pltdoc="x"><span class="RktSym">racket/draw</span></a> library provides basic drawing
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tools, including drawing contexts such as bitmaps and
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PostScript files.</p><p>See <a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?doc=draw&rel=index.html&version=8.6" class="Sq" data-pltdoc="x">The Racket Drawing Toolkit</a>
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for more information.</p></li><li><p>The <a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?doc=gui&rel=index.html&version=8.6" class="RktModLink Sq" data-pltdoc="x"><span class="RktSym">racket/gui</span></a> library provides GUI widgets
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such as windows, buttons, checkboxes, and text fields. The
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library also includes a sophisticated and extensible text
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editor.</p><p>See <a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?doc=gui&rel=index.html&version=8.6" class="Sq" data-pltdoc="x">The Racket Graphical Interface Toolkit</a>
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for more information.</p></li><li><p>The <a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?doc=pict&rel=index.html&version=8.6" class="RktModLink Sq" data-pltdoc="x"><span class="RktSym">pict</span></a> library provides a more
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functional abstraction layer over <a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?doc=draw&rel=index.html&version=8.6" class="RktModLink Sq" data-pltdoc="x"><span class="RktSym">racket/draw</span></a>.
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This layer is especially useful for creating slide
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presentations with <a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?doc=slideshow&rel=index.html&version=8.6" class="Sq" data-pltdoc="x">Slideshow</a>, but
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it is also useful for creating images for <a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?doc=scribble&rel=index.html&version=8.6" class="Sq" data-pltdoc="x">Scribble</a>
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documents or other drawing tasks. Pictures created with the
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<a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?doc=pict&rel=index.html&version=8.6" class="RktModLink Sq" data-pltdoc="x"><span class="RktSym">pict</span></a> library can be rendered to any
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drawing context.</p><p>See <a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?doc=slideshow&rel=index.html&version=8.6" class="Sq" data-pltdoc="x">Slideshow: Figure and Presentation Tools</a>
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for more information.</p></li><li><p>The <a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?tag=%28mod-path._.%272htdp%2Fimage.%27%29&version=8.6" class="RktModLink Sq" data-pltdoc="x"><span class="RktSym">2htdp/image</span></a> library is similar to
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<a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?doc=pict&rel=index.html&version=8.6" class="RktModLink Sq" data-pltdoc="x"><span class="RktSym">pict</span></a>. It is more streamlined for
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pedagogical use, but also slightly more specific to screen and
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bitmap drawing.</p><p>See <a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?tag=%28mod-path._.%272htdp%2Fimage.%27%29&version=8.6" class="RktModLink Sq" data-pltdoc="x"><span class="RktSym">2htdp/image</span></a> for more information.</p></li><li><p>The <a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?tag=%28mod-path._.%27sgl.%27%29&version=8.6" class="RktModLink Sq" data-pltdoc="x"><span class="RktSym">sgl</span></a> library provides OpenGL for 3-D
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graphics. The context for rendering OpenGL can be a window or
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bitmap created with <a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?doc=gui&rel=index.html&version=8.6" class="RktModLink Sq" data-pltdoc="x"><span class="RktSym">racket/gui</span></a>.</p><p>See <a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?tag=%28part._%28.%27%28lib._sgl%2Fscribblings%2Fsgl..scrbl%29.%27._.%27top.%27%29%29&version=8.6" class="Sq" data-pltdoc="x">the SGL documentation</a> for more
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information.</p></li></ul><h4 x-source-module="(lib "scribblings/guide/guide.scrbl")" x-source-pkg="racket-doc" x-part-tag=""The_Web_Server"">22.2<tt> </tt><a name="(part._.The_.Web_.Server)"></a>The Web Server</h4><p><a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?doc=web-server&rel=index.html&version=8.6" class="Sq" data-pltdoc="x">Web Applications in Racket</a>
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describes the Racket web server, which supports servlets implemented
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in Racket.</p><h4 x-source-module="(lib "scribblings/guide/guide.scrbl")" x-source-pkg="racket-doc" x-part-tag=""Using_Foreign_Libraries"">22.3<tt> </tt><a name="(part._.Using_.Foreign_.Libraries)"></a>Using Foreign Libraries</h4><p><a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?doc=foreign&rel=index.html&version=8.6" class="Sq" data-pltdoc="x">The Racket Foreign Interface</a> describes
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tools for using Racket to access libraries that are normally used by C
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programs.</p><h4 x-source-module="(lib "scribblings/guide/guide.scrbl")" x-source-pkg="racket-doc" x-part-tag=""And_More"">22.4<tt> </tt><a name="(part._.And_.More)"></a>And More</h4><p><a href="https://docs.racket-lang.org/index.html">Racket Documentation</a> lists documentation for
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other libraries, including libraries that are installed as packages.
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Run <span class="stt">raco docs</span> to find documentation for libraries that are
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installed on your system and specific to your user account.</p><p><a href="https://pkgs.racket-lang.org/">PLT Package Catalog</a> at
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<a href="https://pkgs.racket-lang.org"><span class="url">https://pkgs.racket-lang.org</span></a> offers even more downloadable
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packages contributed by Racketeers. The
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<a href="https://docs.racket-lang.org">online Racket documentation</a>
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includes documentation for packages in that catalog, updated daily.
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For more information about packages, see see <a href="https://download.racket-lang.org/releases/8.6/doc/local-redirect/index.html?doc=pkg&rel=index.html&version=8.6" class="Sq" data-pltdoc="x">Package Management in Racket</a>.</p><p><a href="https://planet.racket-lang.org/"><span class="planetName">PLaneT</span></a> serves packages that
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were developed using an older package system. Racket packages should
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use the newer system, instead.</p><div class="navsetbottom"><span class="navleft"><form class="searchform"><input class="searchbox" id="searchbox" type="text" tabindex="1" placeholder="...search manuals..." title="Enter a search string to search the manuals" onkeypress="return DoSearchKey(event, this, "8.6", "../");"/></form> <a href="https://docs.racket-lang.org/index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot("8.6");">top</a><span class="tocsettoggle"> <a href="javascript:void(0);" title="show/hide table of contents" onclick="TocsetToggle();">contents</a></span></span><span class="navright"> <a href="exe.html" title="backward to "21.3 Creating Stand-Alone Executables"" data-pltdoc="x">← prev</a> <a href="index.html" title="up to "The Racket Guide"" data-pltdoc="x">up</a> <a href="dialects.html" title="forward to "23 Dialects of Racket and Scheme"" data-pltdoc="x">next →</a></span> </div></div></div><div id="contextindicator"> </div></body></html> |