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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <title>Lazarus Homepage</title> <meta name="description" content="Lazarus is a professional open-source cross platform IDE powered by Free Pascal" /> <meta name="keywords" content="free,ide,visual,programing,delphi,alternative" /> <meta name="author" content="Lazarus Team" /> <meta name="copyright" content="Lazarus" /> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="stylesheet" type="text/css" href="themes/default/bootstrap.min.css" /> <link rel="stylesheet" type="text/css" href="themes/default/style.css" /> <script type="text/javascript" src="themes/default/script_home.js"></script> <script type="text/javascript" src="themes/default/script.js"></script> <script type="text/javascript" src="themes/default/jquery.slim.min.js"></script> <script type="text/javascript" src="themes/default/bootstrap.min.js"></script> </head> <body> <div class="pagewrap"> <nav> <div class="top_logo_bg_s top_bar navbar navbar-expand-lg navbar-dark bg-dark disp-s top_bar_mobile" style="display:none"> <div class="top_logo_s"> <a class="navbar-brand pull-left" href="index.php"><img src="themes/default/images/top_logo.png" width="160" height="35" alt="Lazarus" /></a> </div> <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="collapse navbar-collapse" id="navbarSupportedContent"> <ul class="navbar-nav mr-auto"> <li class="nav-item"><a class="nav-link" href="index.php">Home</a></li> <li class="nav-item"><a class="nav-link" href="index.php?page=about">About</a></li> <li class="nav-item"><a class="nav-link" href="https://wiki.lazarus.freepascal.org/Screenshots">Screenshots</a></li> <li class="nav-item"><a class="nav-link" href="https://wiki.lazarus.freepascal.org/Lazarus_Faq">FAQ</a></li> <li class="nav-item"><a class="nav-link" href="index.php?page=features">Features</a></li> <li class="nav-item"><a class="nav-link" href="index.php?page=downloads">Downloads</a></li> <li class="nav-item"><a class="nav-link" href="https://forum.lazarus.freepascal.org/index.php?PHPSESSID=l5rt9gakd77de851drnm5puf52&action=forum">Forum</a></li> <li class="nav-item"><a class="nav-link" href="http://wiki.freepascal.org/">Wiki</a></li> </ul> </div> </div> </nav> <div class="top_bar disp-w d-sm-block d-md-block"> <div class="top_logo_bg"> <div class="top_logo"> <a href="index.php"><img src="themes/default/images/top_logo.png" alt="Lazarus" /></a> </div> <div class="top_links"> <a href="index.php">Home</a> <a href="index.php?page=about">About</a> <a href="https://wiki.lazarus.freepascal.org/Screenshots">Screenshots</a> <a href="https://wiki.lazarus.freepascal.org/Lazarus_Faq">FAQ</a> <a href="index.php?page=features">Features</a> <a href="index.php?page=downloads">Downloads</a> <a href="https://forum.lazarus.freepascal.org/index.php?PHPSESSID=l5rt9gakd77de851drnm5puf52&action=forum">Forum</a> <a href="http://wiki.freepascal.org/">Wiki</a> </div> <div class="clear"></div> </div> </div> <div class="top_sep"> </div> <div class="slidewrap_bg"> <div class="row slidewrap" style="margin-right: 0px; margin-left: 0px;"> <div class="left_shot col-md-8 text-center"> <a href="https://wiki.lazarus.freepascal.org/Screenshots"> <img src="themes/default/images/homeshot_1.gif" class="img-fluid" alt="Lazarus Screenshot" title="Lazarus IDE" /> </a> </div> <div class="slider_r col-md-4" style="float:right;"> <h1>Lazarus</h1> <h2>The professional Free Pascal RAD IDE</h2> <ul class="right"> <li>Cross platform</li> <li>Drag & Drop Form Designer</li> <li>Open source (GPL/LGPL)</li> <li>Delphi converter</li> </ul> <!--<p><a href="index.php?page=downloads" id="dl_btn" class="download_btn">Download</a></p>--> <p><a href="https://sourceforge.net/projects/lazarus/files/Lazarus%20Windows%2032%20bits/Lazarus%203.8/lazarus-3.8-fpc-3.2.2-win32.exe/download" id="dl_btn" class="download__btn"><img src="themes/default/images/download_btn.gif" alt="Download" /></a></p> <p class="small">Version 3.8 for Windows 32 bit <script>GetDlOSName();</script> <noscript>| <a href="index.php?page=downloads">Other?</a></noscript> </p> <div id="dl_menu" class="dl_menu" style="display:none;"> <ul> <li><a href="https://sourceforge.net/projects/lazarus/files/Lazarus%20Windows%2032%20bits/Lazarus%203.8/lazarus-3.8-fpc-3.2.2-win32.exe/download">Windows 32 Bits</a></li> <li><a href="https://sourceforge.net/projects/lazarus/files/Lazarus%20Windows%2064%20bits/Lazarus%203.8/lazarus-3.8-fpc-3.2.2-win64.exe/download">Windows 64 Bits</a></li> <hr /> <li><a href="https://sourceforge.net/projects/lazarus/files/Lazarus%20Linux%20i386%20DEB/Lazarus%203.8/">Linux DEB 32 Bits</a></li> <li><a href="https://sourceforge.net/projects/lazarus/files/Lazarus%20Linux%20amd64%20DEB/Lazarus%203.8/">Linux DEB 64 Bits</a></li> <li><a href="https://sourceforge.net/projects/lazarus/files/Lazarus%20Linux%20i386%20RPM/Lazarus%203.8/">Linux RPM 32 Bits</a></li> <li><a href="https://sourceforge.net/projects/lazarus/files/Lazarus%20Linux%20x86_64%20RPM/Lazarus%203.8/">Linux RPM 64 Bits</a></li> <hr /> <li><a href="https://sourceforge.net/projects/lazarus/files/Lazarus%20macOS%20aarch64/Lazarus%203.8/">mac OS aarch64 (Apple M1+)</a></li> <li><a href="https://sourceforge.net/projects/lazarus/files/Lazarus%20macOS%20x86-64/Lazarus%203.8/">macOS x86_64 (Intel)</a></li> <hr /> <li><a href="index.php?page=downloads">Other Downloads and mirrors</a></li> </ul> </div> </div> <div class="clear"></div> </div> </div> <div class="contentwrap"> <div class="contentsection"> <div class="row"> <div class="col-md-4"><div class="columnn_inner"> <h2>What is Lazarus?</h2> <p>Lazarus is a Delphi compatible cross-platform IDE for Rapid Application Development. It has variety of components ready for use and a graphical form designer to easily create complex graphical user interfaces.</p> <p class="content_more small"><span><a href="index.php?page=about" class="btlink">Learn more...</a></span> <span><a href="http://en.wikipedia.org/wiki/Lazarus_%28IDE%29">Wikipedia</a></span></p> </div></div> <div class="col-md-4"><div class="columnn_inner"> <h2>What can it do?</h2> <p>You can create your own open source or commercial applications. With Lazarus you can create file browsers, image viewers, database applications, graphics editing software, games, 3D software, medical analysis software or any other type of software.</p> <p class="content_more small"> <span><a href="https://wiki.freepascal.org/Projects_using_Free_Pascal" class="btlink">See Application Gallery</a></span> <span><a href="index.php?page=whyuse">Why use it?</a></span> </p> </div></div> <div class="col-md-4"><div class="columnn_inner"> <h2>Where to learn?</h2> <p>Lazarus has a huge community of people supporting each other. It include scientists and students, pupils and teachers, professionals and hobbyists. Our wiki provides tutorials, documentation and ideas. Our forums and mailing-list offer a space to ask questions and talk to users and the developers. </p> <p class="content_more small"> <span><a href="http://wiki.freepascal.org/Lazarus_Tutorial" class="btlink">Start Learning</a></span> <span><a href="http://wiki.freepascal.org/Pascal_and_Lazarus_Books_and_Magazines">Books</a> | <a href="http://wiki.freepascal.org/Lazarus_Documentation#Lazarus_and_Pascal_Tutorials">Online Tutorials</a></span> </p> </div></div> <div class="clear"></div> </div></div> <div class="row"> <div class="col-md-8"><div class="columnn_inner"> <div class="contentsection"> <div class="contentbox"> <h2 class="contentbox_h2">Recent Announcements</h2> <div class="contentbox_white contentfeed"> <a href="https://forum.lazarus.freepascal.org/index.php/topic,70092.0.html?PHPSESSID=l5rt9gakd77de851drnm5puf52"><div class="contentfeed_item"> <h2>Lazarus in non-UTF8 mode (-dDisableUTF8RTL): does anyone still use this? - February 03, 2025, 07:04:21 pm</h2> <div class="indent"> <p style="display: inline;"> Hi, Long time ago, before codepage-aware ANSI strings existed in fpc, all strings in Lazarus were treated as being UTF8 encoded. With the... </p> <span class="small contentfeed_more" > Learn more...</span> <div class="clear"></div> </div> </div></a> <a href="https://forum.lazarus.freepascal.org/index.php/topic,69945.0.html?PHPSESSID=l5rt9gakd77de851drnm5puf52"><div class="contentfeed_item"> <h2>Lazarus Bugfix Release 3.8 - January 22, 2025, 02:56:28 pm</h2> <div class="indent"> <p style="display: inline;"> The Lazarus team is glad to announce the release of Lazarus 3.8. This is a bugfix release and was built with FPC 3.2.2. Here is the... </p> <span class="small contentfeed_more" > Learn more...</span> <div class="clear"></div> </div> </div></a> <a href="https://forum.lazarus.freepascal.org/index.php/topic,69820.0.html?PHPSESSID=l5rt9gakd77de851drnm5puf52"><div class="contentfeed_item"> <h2>Lazarus Release Candidate 2 of 4.0 - January 09, 2025, 10:02:24 am</h2> <div class="indent"> <p style="display: inline;"> The Lazarus team is glad to announce the second release candidate of Lazarus 4.0. This release was built with FPC 3.2.2. Here is... </p> <span class="small contentfeed_more" > Learn more...</span> <div class="clear"></div> </div> </div></a> <a href="https://forum.lazarus.freepascal.org/index.php/topic,69059.0.html?PHPSESSID=l5rt9gakd77de851drnm5puf52"><div class="contentfeed_item"> <h2>Lazarus Release Candidate 1 of 4.0 - October 27, 2024, 09:34:20 am</h2> <div class="indent"> <p style="display: inline;"> The Lazarus team is glad to announce the first release candidate of Lazarus 4.0. This release was built with FPC 3.2.2. Here is the list... </p> <span class="small contentfeed_more" > Learn more...</span> <div class="clear"></div> </div> </div></a> </div> <p class="contentboxmore small"><a href="https://forum.lazarus.freepascal.org/index.php?PHPSESSID=l5rt9gakd77de851drnm5puf52&/board,18.0.html" >More Announcements...</a></p> </div> </div> <div class="contentsection"> <div class="contentbox contentbox_grey lazbook"> <div class="row"> <div class="col-md-4 columnn_inner lazbook_note"> <h2>Shop</h2> <p>A new lazarus handbook is released.</p> <p>The Free Pascal and Lazarus foundation will receive 50% of the profits</p> </div> <div class="col-md-8 columnn_inner lazbook_text"> <p> <img style="max-width: 100%;" src="images/lazbook.png" alt="Lazarus book" title="Lazarus book" /> The book is all about Lazarus and FPC necessities. It is printed in 2 volumes with a total of 935 pages.<br/> <span class="content_more" style="float:right;margin-left:10px;" > <a href="https://www.blaisepascalmagazine.eu/product-category/books/" >Visit the Blaise Pascal shop</a> </span> </p> </div> </div> </div> </div> <div class="contentsection"> <div class="contentbox contentbox_grey tipofday"> <div class="row"> <div class="col-md-4 columnn_inner tipofday_note"> <h2>Tip of the day</h2> <p>Use the build in todo list and keep track of what needs to be done by simply adding comments to the source.</p> </div> <div class="col-md-8 columnn_inner tipofday_text"> <p> <img style="max-width: 100%;" src="images/todo_list.png" /> </p> </div> </div> </div> </div> </div></div> <div class="col-md-4"><div class="columnn_inner"> <div class="contentsection"> <div class="contentbox" > <h2 class="contentbox_h2">Highlights</h2> <div class="contentbox_white contentfeed_bullets" > <ul> <li>Open Source</li> <li>Written in Pascal for Pascal</li> <li>Cross-platform</li> <li>Over 200 Components</li> <li>Extendable through packages</li> <li>Package Manager with Online Repository</li> <li>Many Frameworks</li> <li>Converts from Delphi code</li> <li>Regular Releases</li> </ul> </div> <p class="contentboxmore small"><a href="index.php?page=features" >Learn more...</a></p> </div> </div> <div class="contentsection"> <div class="contentbox" > <h2 class="contentbox_h2">Recent Forum Posts</h2> <div class="contentbox_white" > <div class="contentfeed_small_item"><a href="https://forum.lazarus.freepascal.org/index.php/topic,27730.msg549943/topicseen.html?PHPSESSID=l5rt9gakd77de851drnm5puf52#new" title="Re: efficiency problem"> <div> <p class="new"> <strong>Re: efficiency problem</strong><br /> </p> <p class="contentfeed_small_light small"> <span>by photor</span> <span>(<strong>Today</strong> at 05:26:02 am)</span> </p> </div> </a></div> <div class="contentfeed_small_item"><a href="https://forum.lazarus.freepascal.org/index.php/topic,70537.msg549942/topicseen.html?PHPSESSID=l5rt9gakd77de851drnm5puf52#new" title="Force parameters of my application"> <div> <p class="new"> <strong>Force parameters of my ap...</strong><br /> </p> <p class="contentfeed_small_light small"> <span>by Ericktux</span> <span>(<strong>Today</strong> at 04:19:35 am)</span> </p> </div> </a></div> <div class="contentfeed_small_item"><a href="https://forum.lazarus.freepascal.org/index.php/topic,70505.msg549941/topicseen.html?PHPSESSID=l5rt9gakd77de851drnm5puf52#new" title="Re: Connection to MySQL version 8.0.41 fails."> <div> <p class="new"> <strong>Re: Connection to MySQL v...</strong><br /> </p> <p class="contentfeed_small_light small"> <span>by dseligo</span> <span>(<strong>Today</strong> at 02:41:18 am)</span> </p> </div> </a></div> <div class="contentfeed_small_item"><a href="https://forum.lazarus.freepascal.org/index.php/topic,70525.msg549940/topicseen.html?PHPSESSID=l5rt9gakd77de851drnm5puf52#new" title="Re: Error after installing new package & recompiling / MacOS"> <div> <p class="new"> <strong>Re: Error after installin...</strong><br /> </p> <p class="contentfeed_small_light small"> <span>by sbulazel</span> <span>(<strong>Today</strong> at 02:23:32 am)</span> </p> </div> </a></div> <div class="contentfeed_small_item"><a href="https://forum.lazarus.freepascal.org/index.php/topic,25182.msg549939/topicseen.html?PHPSESSID=l5rt9gakd77de851drnm5puf52#new" title="Re: to read an UTF8 text file"> <div> <p class="new"> <strong>Re: to read an UTF8 text ...</strong><br /> </p> <p class="contentfeed_small_light small"> <span>by jamie</span> <span>(<strong>Today</strong> at 02:02:19 am)</span> </p> </div> </a></div> <div class="contentfeed_small_item"><a href="https://forum.lazarus.freepascal.org/index.php/topic,70526.msg549938/topicseen.html?PHPSESSID=l5rt9gakd77de851drnm5puf52#new" title="Re: Segmentation fault"> <div> <p class="new"> <strong>Re: Segmentation fault</strong><br /> </p> <p class="contentfeed_small_light small"> <span>by jamie</span> <span>(<strong>Today</strong> at 01:53:59 am)</span> </p> </div> </a></div> <div class="contentfeed_small_item"><a href="https://forum.lazarus.freepascal.org/index.php/topic,70526.msg549937/topicseen.html?PHPSESSID=l5rt9gakd77de851drnm5puf52#new" title="Re: Segmentation fault"> <div> <p class="new"> <strong>Re: Segmentation fault</strong><br /> </p> <p class="contentfeed_small_light small"> <span>by Lauriet</span> <span>(<strong>Today</strong> at 12:55:41 am)</span> </p> </div> </a></div> <div class="contentfeed_small_item"><a href="https://forum.lazarus.freepascal.org/index.php/topic,70526.msg549936/topicseen.html?PHPSESSID=l5rt9gakd77de851drnm5puf52#new" title="Re: Segmentation fault"> <div> <p class="new"> <strong>Re: Segmentation fault</strong><br /> </p> <p class="contentfeed_small_light small"> <span>by Lauriet</span> <span>(<strong>Today</strong> at 12:53:56 am)</span> </p> </div> </a></div> </div> <p class="contentboxmore small"><a href="https://forum.lazarus.freepascal.org/index.php?PHPSESSID=l5rt9gakd77de851drnm5puf52&action=forum" >See all posts...</a></p> </div> </div> </div></div> <div class="clear"></div> </div> <div class="clear"></div> <div class="row"> <div class="col-md-3"><div class="columnn_inner_w"><div class="hblock2"> <h3>Lazarus / <span>Free Pascal</span></h3> <ul> <li><a href="index.php?page=features">Features</a></li> <li><a href="index.php?page=whyuse">Why use it?</a></li> <li><a href="https://wiki.lazarus.freepascal.org/Lazarus_3.0_fixes_branch">What's New</a></li> <li><a href="https://wiki.lazarus.freepascal.org/Screenshots">Screenshots</a></li> <li><a href="https://wiki.lazarus.freepascal.org/Roadmap">Roadmap</a></li> <li><a href="http://wiki.freepascal.org/Lazarus_Faq">FAQ</a></li> </ul> </div></div></div> <div class="col-md-3"><div class="columnn_inner_w"><div class="hblock2"> <h3>Platforms</h3> <ul> <li><a href="https://wiki.lazarus.freepascal.org/Portal:Android">Lazarus for Android Development</a></li> <li><a href="https://wiki.lazarus.freepascal.org/Portal:Linux">Lazarus for Linux</a></li> <li><a href="https://wiki.lazarus.freepascal.org/Portal:Embedded">Lazarus for Embedded Development</a></li> <li><a href="https://wiki.lazarus.freepascal.org/Portal:FreeBSD">Lazarus for FreeBSD</a></li> <li><a href="https://wiki.lazarus.freepascal.org/Portal:Mac">Lazarus for macOS</a></li> <li><a href="https://wiki.lazarus.freepascal.org/Portal:iOS">Lazarus for iOS Development</a></li> <li><a href="https://wiki.lazarus.freepascal.org/Portal:Windows">Lazarus for Windows</a></li> <li><a href="https://wiki.lazarus.freepascal.org/Portal:WinCE">Lazarus for Windows CE Development</a></li> <li><a href="https://wiki.lazarus.freepascal.org/Portal:Web_Development">Lazarus for Web Development</a></li> </ul> </div></div></div> <div class="col-md-3"><div class="columnn_inner_w"><div class="hblock2"> <h3>Applications</h3> <ul> <li><a href="http://wiki.freepascal.org/Projects_using_Lazarus">Projects Using Lazarus</a></li> <li><a href="http://wiki.freepascal.org/Lazarus_Application_Gallery">Apps created with Lazarus</a></li> <li><a href="http://wiki.freepascal.org/FPC_Applications/Projects_Gallery">Apps created with Free Pascal</a></li> <li><a href="https://wiki.lazarus.freepascal.org/Case_Studies">Case Studies</a></li> </ul> </div></div></div> <div class="col-md-3"><div class="columnn_inner_w"><div class="hblock2"> <h3>Download</h3> <ul> <li><a href="http://sourceforge.net/project/showfiles.php?group_id=89339">Stable Versions</a></li> <!-- <li><a href="http://www.hu.freepascal.org/lazarus/">Daily Snapshots</a></li> --> <li><a href="https://wiki.lazarus.freepascal.org/index.php/Getting_Lazarus">Source code</a></li> <li><a href="https://wiki.lazarus.freepascal.org/Getting_Lazarus#Lazarus_Distributions">Other Distributions</a></li> <li><a href="http://packages.lazarus-ide.org/">Packages</a></li> </ul> </div></div></div> <div class="clear"></div> </div> <div class="row"> <div class="col-md-3"><div class="columnn_inner_w"><div class="hblock2"> <h3>Community</h3> <ul> <li><a href="https://forum.lazarus.freepascal.org/index.php?PHPSESSID=l5rt9gakd77de851drnm5puf52&action=forum">Forum</a></li> <li><a href="https://wiki.lazarus.freepascal.org/">Wiki</a></li> <li><a href="https://bugs.freepascal.org/view_all_bug_page.php?project_id=1">Bugtracker</a></li> <li><a href="https://forum.lazarus.freepascal.org/index.php?PHPSESSID=l5rt9gakd77de851drnm5puf52&/page,9.html">IRC Channel</a></li> <li><a href="http://lazarus-dev.blogspot.com/">Developer Blog</a></li> <li><a href="http://lists.lazarus-ide.org/listinfo">Mailing Lists</a></li> <li><a href="http://twitter.com/LazarusDev">Follow us on Twitter</a></li> <li><a href="http://foundation.freepascal.org/">Foundation</a></li> </ul> </div></div></div> <div class="col-md-3"><div class="columnn_inner_w"><div class="hblock2"> <h3>Education</h3> <ul> <li><a href="http://wiki.freepascal.org/Lazarus_Documentation">Documentation</a></li> <li><a href="http://wiki.freepascal.org/">Wiki</a></li> <li><a href="http://wiki.freepascal.org/Portal:New_Users">First steps for new users</a></li> <li><a href="http://wiki.freepascal.org/Pascal_and_Lazarus_Books_and_Magazines">Books and Journals</a></li> <li><a href="http://lazarus-dev.blogspot.com/">Developer Blog</a></li> <li><a href="http://www.lazarus.freepascal.org/index.php/page,21.html">In other languages</a></li> <li><a href="https://wiki.lazarus.freepascal.org/Conferences_and_Events">Events</a></li> <li><a href="https://wiki.lazarus.freepascal.org/Contests">Contests</a></li> </ul> </div></div></div> <div class="col-md-3"><div class="columnn_inner_w"><div class="hblock2"> <h3>Service</h3> <ul> <li><a href="index.php?page=contact">Contact Us</a></li> <li><a href="https://wiki.lazarus.freepascal.org/licensing">Legal Information</a></li> <li><a href="index.php?page=privacy">Privacy Policy</a></li> <li><a href="https://forum.lazarus.freepascal.org/index.php?PHPSESSID=l5rt9gakd77de851drnm5puf52&/board,41.0.html">Open Positions</a></li> <li><a href="https://wiki.lazarus.freepascal.org/Bounties">Bounties</a></li> <li><a href="https://www.blaisepascalmagazine.eu/blog/update-about-the-lazarus-handbook/">The Lazarus Guide</a></li> <li><a href="https://wiki.lazarus.freepascal.org/How_to_donate_to_Lazarus">Donate</a></li> </ul> </div></div></div> <div class="clear"></div> </div> </div> <div class="footer"> <p class="foot_left small">© 1993-2024 Lazarus and Free Pascal Team</p> <div class="foot_right"> <div class="foot_right" style="margin-top:15px"> <a href="http://sourceforge.net/projects/lazarus" 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