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| <html lang="en"><head><META http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1"><link href="res/css/tomcat.css" rel="stylesheet" type="text/css"><link href="res/css/fonts/fonts.css" rel="stylesheet" type="text/css"><title>Apache Tomcat® - Developer Tools</title><meta name="author" content="Apache Tomcat Project"><script src="https://www.apachecon.com/event-images/snippet.js"></script></head><body><div id="wrapper"><header id="header"><div class="clearfix"><div class="menu-toggler pull-left" tabindex="1"><div class="hamburger"></div></div><a href="http://tomcat.apache.org/"><img class="tomcat-logo pull-left noPrint" alt="Tomcat Home" src="res/images/tomcat.png"></a><h1 class="pull-left">Apache Tomcat<sup>®</sup></h1><div class="asf-logos pull-right"><a href="https://www.apache.org/foundation/contributing.html" target="_blank" class="pull-left"><img src="https://www.apache.org/images/SupportApache-small.png" class="support-asf" alt="Support Apache"></a><a href="http://www.apache.org/" target="_blank" class="pull-left"><img src="res/images/asf_logo_wide.svg" class="asf-logo" alt="The Apache Software Foundation"></a></div></div></header><main id="middle"><div><div id="mainLeft"><div id="nav-wrapper"><form action="https://www.google.com/search" method="get"><div class="searchbox"><input value="tomcat.apache.org" name="sitesearch" type="hidden"><input aria-label="Search text" placeholder="Search…" required="required" name="q" id="query" type="search"><button>GO</button></div></form><div class="asfevents"><a class="acevent" data-format="square" data-width="150"></a></div><nav><div><h2>Apache Tomcat</h2><ul><li><a href="./index.html">Home</a></li><li><a href="./taglibs.html">Taglibs</a></li><li><a href="./maven-plugin.html">Maven Plugin</a></li></ul></div><div><h2>Download</h2><ul><li><a href="./whichversion.html">Which version?</a></li><li><a href="https://tomcat.apache.org/download-11.cgi">Tomcat 11</a></li><li><a href="https://tomcat.apache.org/download-10.cgi">Tomcat 10</a></li><li><a href="https://tomcat.apache.org/download-90.cgi">Tomcat 9</a></li><li><a href="https://tomcat.apache.org/download-migration.cgi">Tomcat Migration Tool for Jakarta EE</a></li><li><a href="https://tomcat.apache.org/download-connectors.cgi">Tomcat Connectors</a></li><li><a href="https://tomcat.apache.org/download-native.cgi">Tomcat Native</a></li><li><a href="https://tomcat.apache.org/download-taglibs.cgi">Taglibs</a></li><li><a href="https://archive.apache.org/dist/tomcat/">Archives</a></li></ul></div><div><h2>Documentation</h2><ul><li><a href="./tomcat-11.0-doc/index.html">Tomcat 11.0</a></li><li><a href="./tomcat-10.1-doc/index.html">Tomcat 10.1</a></li><li><a href="./tomcat-9.0-doc/index.html">Tomcat 9.0</a></li><li><a href="./upgrading.html">Upgrading</a></li><li><a href="./connectors-doc/index.html">Tomcat Connectors</a></li><li><a href="./native-doc/index.html">Tomcat Native 2</a></li><li><a href="./native-1.3-doc/index.html">Tomcat Native 1.3</a></li><li><a href="https://cwiki.apache.org/confluence/display/TOMCAT">Wiki</a></li><li><a href="./migration.html">Migration Guide</a></li><li><a href="./presentations.html">Presentations</a></li><li><a href="https://cwiki.apache.org/confluence/x/Bi8lBg">Specifications</a></li></ul></div><div><h2>Problems?</h2><ul><li><a href="./security.html">Security Reports</a></li><li><a href="./findhelp.html">Find help</a></li><li><a href="https://cwiki.apache.org/confluence/display/TOMCAT/FAQ">FAQ</a></li><li><a href="./lists.html">Mailing Lists</a></li><li><a href="./bugreport.html">Bug Database</a></li></ul></div><div><h2>Get Involved</h2><ul><li><a href="./getinvolved.html">Overview</a></li><li><a href="./source.html">Source code</a></li><li><a href="./ci.html">Buildbot</a></li><li><a href="./tools.html">Tools</a></li></ul></div><div><h2>Media</h2><ul><li><a href="https://www.youtube.com/c/ApacheTomcatOfficial">YouTube</a></li></ul></div><div><h2>Misc</h2><ul><li><a href="./whoweare.html">Who We Are</a></li><li><a href="https://www.redbubble.com/people/comdev/works/30885254-apache-tomcat">Swag</a></li><li><a href="./heritage.html">Heritage</a></li><li><a href="http://www.apache.org">Apache Home</a></li><li><a href="./resources.html">Resources</a></li><li><a href="./contact.html">Contact</a></li><li><a href="./legal.html">Legal</a></li><li><a href="https://privacy.apache.org/policies/privacy-policy-public.html">Privacy</a></li><li><a href="https://www.apache.org/foundation/contributing.html">Support Apache</a></li><li><a href="https://www.apache.org/foundation/sponsorship.html">Sponsorship</a></li><li><a href="http://www.apache.org/foundation/thanks.html">Thanks</a></li><li><a href="http://www.apache.org/licenses/">License</a></li></ul></div></nav></div></div><div id="mainRight"><div id="content"><h2 style="display: none;">Content</h2><h3 id="Table_of_Contents">Table of Contents</h3><div class="text"> |
| <ul><li><a href="#Overview">Overview</a></li><li><a href="#Apache_Tools">Apache Tools</a></li><li><a href="#Open_Source_Tools">Open Source Tools</a></li><li><a href="#Commercial_Tools">Commercial Tools</a></li></ul> |
| </div><h3 id="Overview">Overview</h3><div class="text"> |
| <p>This page lists the various tools that the Apache Tomcat<sup>®</sup> project uses. Not |
| all developers use every tool. There are almost certainly some tools that are |
| missing. If you are a committer, you know how to fix this. If you are not a |
| committer, send a short note to the <a href="lists.html#tomcat-dev">developer |
| mailing list</a> (you'll need to subscribe if you are not already subscribed) |
| and a committer should be able to fix it for you.</p> |
| </div><h3 id="Apache_Tools">Apache Tools</h3><div class="text"> |
| <table class="defaultTable"> |
| <tr> |
| <td><a href="http://ant.apache.org/"> |
| <img src="http://ant.apache.org/images/ant_logo_medium.gif" alt="Apache Ant"></a></td> |
| <td><p>Apache Tomcat is built using Apache Ant.</p> |
| </td> |
| </tr> |
| </table> |
| </div><h3 id="Open_Source_Tools">Open Source Tools</h3><div class="text"> |
| <table class="defaultTable"> |
| <tr> |
| <td><a href="https://www.eclipse.org/" rel="nofollow"> |
| <img src="res/images/eclipse.gif" alt="Eclipse"></a></td> |
| <td><p>A variety of IDEs are used by the Tomcat developers. One of them is |
| the Eclipse IDE.</p> |
| </td> |
| </tr> |
| <tr> |
| <td><a href="https://www.ucdetector.org/" rel="nofollow"> |
| <img src="res/images/ucdetector32.png" alt="UCDetector"></a></td> |
| <td><p>The Unnecessary Code Detector is used by the Tomcat developers to |
| identify code to be removed from future versions of Tomcat.</p> |
| </td> |
| </tr> |
| <tr> |
| <td><a href="https://spotbugs.github.io/" rel="nofollow"> |
| <img src="res/images/spotbugs_icon_only_zoom_256px.png" width="80" heigjt="80" alt="SpotBugs"></a></td> |
| <td><p>SpotBugs is used by the Tomcat developers to identify potential coding |
| errors.</p> |
| </td> |
| </tr> |
| <tr> |
| <td><a href="https://checkstyle.sourceforge.io/" rel="nofollow"> |
| <img src="res/images/header-checkstyle-logo.png" width="200" alt="Checkstyle"></a></td> |
| <td><p>Checkstyle is used by the Tomcat developers to maintain the Tomcat |
| coding standard.</p> |
| </td> |
| </tr> |
| <tr> |
| <td><a href="https://plantuml.com/en/" rel="nofollow" style="font-family:Helvetica; font-size:28px; font-weight:600; text-decoration:none; text-wrap:nowrap">🌱 PlantUML</a></td> |
| <td><p>PlantUML is used to create diagrams for Tomcat documentation.</p> |
| </td> |
| </tr> |
| <tr> |
| <td><a href="https://www.farmanager.com/index.php?l=en" rel="nofollow"> |
| <img src="res/images/far-icon.png" alt="Far Manager"></a></td> |
| <td><p>Far Manager is a two-panel file manager application for |
| Microsoft Windows. It works in console mode and is very useful |
| to run command-line tools and make small edits that do not require |
| an IDE. It is free software since version 1.75 build 2629 and |
| open source since version 2.0.</p> |
| </td> |
| </tr> |
| </table> |
| </div><h3 id="Commercial_Tools">Commercial Tools</h3><div class="text"> |
| <table class="defaultTable"> |
| <tr> |
| <td><a href="http://www.yourkit.com/" rel="nofollow"> |
| <img src="res/images/yjp.gif" alt="YourKit"></a></td> |
| <td><p>YourKit, LLC kindly provide free licenses for the YourKit Java Profiler |
| to open source projects. YourKit Java Profiler is primarily used to |
| investigate performance and memory leak issues reported in Apache Tomcat. |
| It was particularly useful when working on the memory leak detection and |
| prevention code.</p> |
| </td> |
| </tr> |
| <tr> |
| <td><a href="http://msdn.microsoft.com/" rel="nofollow"> |
| <img src="res/images/msdn.png" alt="MSDN"></a></td> |
| <td><p>Microsoft kindly provide free MSDN licenses to Apache committers that |
| have a requirement for them. MSDN is primarily used to provide build and |
| test environments for the ISAPI redirector and the Windows APR/native |
| connector but it is also used to provide test platforms for Windows |
| specific Tomcat issues such as those related to the Windows Installer.</p> |
| </td> |
| </tr> |
| <tr> |
| <td><a href="http://www.structure101.com/" rel="nofollow"> |
| <img src="res/images/s101.png" alt="Structure 101"></a></td> |
| <td><p>Headway software kindly provide free licenses for Structure 101 to open |
| source projects. Structure 101 is primarily being used in Tomcat trunk to |
| analyze the current package dependencies and identify areas where they may |
| be simplified.</p> |
| </td> |
| </tr> |
| <tr> |
| <td><a href="http://www.harukizaemon.com/simian/index.html" rel="nofollow"> |
| <img src="res/images/simian.jpg" alt="Simian"></a></td> |
| <td><p>Simon Harris kindly provides free licenses for Simian (Similarity |
| Analyzer) to open source projects. Simian is primarily being used in |
| Tomcat trunk to reduce code duplication.</p> |
| </td> |
| </tr> |
| <tr> |
| <td><a href="https://poeditor.com/" rel="nofollow"> |
| <img src="res/images/poeditor.svg" width="200" alt="POEditor"></a></td> |
| <td><p>Code Whale Inc. kindly offer a free unlimited localization project to |
| open source projects that use an OSI approved license. Apache Tomcat is |
| using POEditor primarily in Tomcat trunk to manage translations. The |
| Tomcat project has seen a significant increase in localization |
| contributions since starting to use POEditor.</p> |
| </td> |
| </tr> |
| </table> |
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