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<!DOCTYPE html> <html> <head> <title>Development</title> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=3" /> <meta content="ImageJ Wiki" property="og:site_name"> <meta content="Development" property="og:title"> <meta content="article" property="og:type"> <meta content="The ImageJ wiki is a community-edited knowledge base on topics relating to ImageJ, a public domain program for processing and analyzing scientific images, and its ecosystem of derivatives and variants, including ImageJ2, Fiji, and others." property="og:description"> <meta content="https://imagej.github.io/develop/index" property="og:url"> <meta content="https://imagej.github.io/media/icons/imagej2.png" property="og:image"> <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png"> <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png"> <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png"> <link 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</head> <body class="is-preload"> <!-- Top bar --> <section id="top-bar"> <a href="/"><img id="site-logo" src="/media/icons/imagej2.png"></a> <div id="search-panel"> <div id="search-box"></div> </div> </section> <!-- Page-info --> <div class="page-info"> <a href="https://github.com/imagej/imagej.github.io/commits/main/_pages/develop/index.md">Page history</a> <a href="https://github.com/imagej/imagej.github.io/edit/main/_pages/develop/index.md">Edit this page</a> <a href="/editing">How do I edit this website?</a></div> <section id="left-column" class="sidebar dock"> <!-- Menu --> <div class="menu dockable"> <div class="drag-handle"></div><h3>ImageJ Docs</h3> <ul> <li><a href="/downloads">Download</a></li> <li><details><summary>Learn</summary><ul> <li><details><summary><a href="/learn">ImageJ Basics</a></summary><ul> <li><a href="/tutorials">Tutorials</a></li> <li><a href="/learn/user-guides">User Guides</a></li> <li><a href="/learn/keyboard-shortcuts">Keyboard Shortcuts</a></li> <li><a href="/learn/tips-and-tricks">Tips and Tricks</a></li> <li><a href="/learn/troubleshooting">Troubleshooting</a></li> <li><a href="/learn/faq">Frequently Asked Questions</a></li> <li><details><summary><a href="/platforms">Supported Platforms</a></summary><ul> <li><a href="/platforms/windows">Windows</a></li> <li><a href="/platforms/macos">MacOS</a></li> <li><a href="/platforms/linux">Linux</a></li> <li><a href="/platforms/pi">Raspberry Pi</a></li> <li><a href="/platforms/android">Android</a></li> </ul></details></li> <!-- Learn/ImageJ Basics/Supported Platforms --> <li><details><summary><a href="/formats">File Formats</a></summary><ul> <li><a href="/formats/bio-formats">Bio-Formats</a></li> <li><a href="/formats/video">Video formats</a></li> <li><a href="/formats/quicktime">QuickTime</a></li> <li><a href="/formats/tiff">TIFF</a></li> <li><a href="/formats/pdf">PDF</a></li> <li><a href="/formats/dicom">DICOM</a></li> <li><a href="/formats/lsm">Zeiss LSM</a></li> <li><a href="/formats/olympus">Olympus VSI</a></li> <li><a href="/formats/lurawave">Opera Flex</a></li> <li><a href="/formats/fib-sem">FIB-SEM</a></li> </ul></details></li> <!-- Learn/ImageJ Basics/File Formats --> </ul></details></li> <!-- Learn/ImageJ --> <li><details><summary><a href="/imaging">Scientific Imaging</a></summary><ul> <li><a href="/imaging/principles">Principles of Scientific Imaging</a></li> <li><a href="/imaging/annotating-images">Annotating Images</a></li> <li><a href="/imaging/colocalization-analysis">Colocalization</a></li> <li><a href="/imaging/color-image-processing">Color Image Processing</a></li> <li><a href="/imaging/deconvolution">Deconvolution</a></li> <li><a href="/imaging/image-intensity-processing">Image Intensity Processing</a></li> <li><a href="/imaging/particle-analysis">Particle Analysis</a></li> <li><a href="/imaging/registration">Registration</a></li> <li><a href="/imaging/segmentation">Segmentation</a></li> <li><a href="/imaging/stack-slice-manipulations">Stack-slice Manipulations</a></li> <li><a href="/imaging/t-functions">T-functions</a></li> <li><a href="/imaging/tracking">Tracking</a></li> <li><a href="/imaging/visualization">Visualization</a></li> <li><a href="/imaging/z-functions">Z-functions</a></li> </ul></details></li> <!-- Learn/Scientific Imaging --> </ul></details></li> <!-- Learn --> <li><details open><summary><a href="/plugins">Extend</a></summary><ul> <li><a href="/list-of-extensions">List of Extensions</a></li> <li><details><summary><a href="/update-sites">Update Sites</a></summary><ul> <li><a href="/list-of-update-sites">List of Update Sites</a></li> <li><a href="/update-sites/following">Following an Update Site</a></li> <li><a href="/update-sites/setup">Creating an Update Site</a></li> <li><a href="/update-sites/tos">Terms of Service</a></li> <li><a href="/update-sites/automatic-uploads">Automatic Upload</a></li> <li><a href="/update-sites/core-uploads">Uploading to Core Sites</a></li> <li><a href="/update-sites/faq">Update Sites FAQ</a></li> <li><a href="/update-sites/stats">Statistics</a></li> </ul></details></li> <!-- Extend/Update Sites --> <li><details><summary><a href="/scripting">Scripting</a></summary><ul> <li><a href="/scripting/basics">Scripting Basics</a></li> <li><a href="/scripting/script-editor">Script Editor</a></li> <li><a href="/scripting/parameters">Parameters</a></li> <li><a href="/scripting/user-input">User Input</a></li> <li><a href="/scripting/auto-imports">Auto Import</a></li> <li><a href="/scripting/templates">Templates</a></li> <li><a href="/scripting/batch">Batch Processing</a></li> <li><a href="/scripting/headless">Running Headlessly</a></li> <li><a href="/scripting/comparisons">Scripting Comparisons</a></li> <li><a href="/scripting/toolbox">Toolbox</a></li> <li><details><summary>Languages</summary><ul> <li><a href="/scripting/beanshell">BeanShell Scripting</a></li> <li><a href="/scripting/groovy">Groovy Scripting</a></li> <li><a href="/scripting/macro">ImageJ Macro</a></li> <li><a href="/scripting/javascript">JavaScript</a></li> <li><a href="/scripting/clojure">Lisp (Clojure)</a></li> <li><a href="/scripting/matlab">MATLAB</a></li> <li><a href="/scripting/jython">Python (Jython)</a></li> <li><a href="/scripting/python">Python (native)</a></li> <li><a href="/scripting/renjin">R (Renjin)</a></li> <li><a href="/scripting/jruby">Ruby (JRuby)</a></li> <li><a href="/scripting/scala">Scala Scripting</a></li> </ul></details></li> <!-- Extend/Scripting/Languages --> </ul></details></li> <!-- Extend/Scripting --> <li><details><summary><a class="current-page">Development</a></summary><ul> <li><a href="/develop/philosophy">Philosophy</a></li> <li><a href="/develop/architecture">Architecture</a></li> <li><a href="/develop/source">Source code</a></li> <li><a href="/develop/project-management">Project management</a></li> <li><a href="/develop/coding-style">Coding style</a></li> <li><a href="/develop/javadoc">Using Javadoc</a></li> <li><a href="/develop/debugging">Debugging</a></li> <li><a href="/develop/wish-list">Wish list</a></li> <li><details><summary>Tools</summary><ul> <li><a href="/develop/github">GitHub</a></li> <li><a href="/develop/maven">Maven</a></li> <li><a href="/develop/ci">CI/CD</a></li> <li><a href="/develop/dotfiles">Dotfiles</a></li> <li><details><summary><a href="/develop/ides">IDEs</a></summary><ul> <li><a href="/develop/eclipse">Eclipse</a></li> <li><a href="/develop/netbeans">NetBeans</a></li> <li><a href="/develop/intellij">IntelliJ IDEA</a></li> <li><a href="/develop/command-line">Command Line</a></li> </ul></details></li> </ul></details></li> <!-- Extend/Development/Tools --> <li><details><summary>Guides</summary><ul> <li><a href="/develop/plugins">Writing plugins</a></li> <li><a href="/develop/improving-the-code">Contributing to a plugin</a></li> <li><a href="/develop/releasing">Development lifecycle</a></li> <li><a href="/develop/building-a-pom">Building a POM</a></li> <li><a href="/develop/debugging-exercises">Hands-on debugging</a></li> <li><a href="/develop/writing-ops">Adding new ops</a></li> <li><a href="/develop/formats">Adding new formats</a></li> <li><a href="/develop/native-libraries">Using native libraries</a></li> <li><a href="/develop/tips">Tips for developers</a></li> <li><a href="/develop/cpp-tips">Tips for C++ developers</a></li> <li><a href="/develop/ij1-plugins">ImageJ 1.x plugins</a></li> <li><a href="/develop/versioning">Versioning</a></li> <li><a href="/develop/logging">Logging</a></li> <li><a href="/develop/uber-jars">Uber-JARs</a></li> </ul></details></li> <!-- Extend/Development/Guides --> <li><details><summary><a href="/develop/git">Git</a></summary><ul> <li><a href="/develop/git/eclipse">Git in Eclipse (EGit)</a></li> <li><a href="/develop/git/mini-howto">Git mini howto</a></li> <li><a href="/develop/git/workshop">Git workshop</a></li> <li><a href="/develop/git/conflicts">Git conflicts</a></li> <li><a href="/develop/git/topic-branches">Git topic branches</a></li> <li><a href="/develop/git/notes">Git notes</a></li> <li><a href="/develop/git/reflogs">Git reflogs</a></li> <li><a href="/develop/git/submodules">Git submodules</a></li> <li><a href="/develop/git/pinpoint-regressions">How to pinpoint regressions</a></li> <li><a href="/develop/git/publish-a-repository">How to publish a git repository</a></li> <li><a href="/develop/git/extract-a-subproject">How to extract a subproject</a></li> </ul></details></li> <!-- Extend/Development/Git --> </ul></details></li> <!-- Extend/Development --> </ul></details></li> <!-- Extend --> <li><details><summary><a href="/contribute">Contribute</a></summary><ul> <li><a href="/contribute/citing">Citing</a></li> <li><a href="/people">Contributors</a></li> <li><a href="/orgs">Organizations</a></li> <li><a href="/contribute/governance">Governance</a></li> <li><a href="/contribute/funding">Funding</a></li> <li><a href="/contribute/fiji">Contributing to Fiji</a></li> <li><details><summary><a href="/licensing">Licensing</a></summary><ul> <li><details><summary><a href="/licensing/open-source">Open Source</a></summary><ul> <li><a href="/licensing/apache">Apache</a></li> <li><a href="/licensing/bsd">BSD</a></li> <li><a href="/licensing/epl">EPL</a></li> <li><a href="/licensing/gpl">GPL</a></li> <li><a href="/licensing/lgpl">LGPL</a></li> <li><a href="/licensing/mit">MIT</a></li> <li><a href="/licensing/public-domain">Public domain</a></li> <li><a href="/licensing/big">BIG</a></li> </ul></details></li> <!-- Contribute/Licensing/Open Source --> <li><a href="/licensing/closed-source">Proprietary</a></li> </ul></details></li> <!-- Contribute/Licensing --> <li><details><summary><a href="/editing">Editing the Wiki</a></summary><ul> <li><a href="/editing/advanced">Advanced Editing</a></li> <li><a href="/editing/buttons">Buttons</a></li> <li><a href="/editing/citations">Citations</a></li> <li><a href="/editing/code">Source Code</a></li> <li><a href="/editing/debugging">Debugging</a></li> <li><a href="/editing/headers">Headers</a></li> <li><a href="/editing/icons">Icons</a></li> <li><a href="/editing/images">Images</a></li> <li><a href="/editing/keys">Keyboard Shortcuts</a></li> <li><a href="/editing/linking">Linking</a></li> <li><a href="/editing/math">Math Expressions</a></li> <li><a href="/editing/menu-paths">Menu Paths</a></li> <li><a href="/editing/navigation">Navigation</a></li> <li><a href="/editing/notices">Notices</a></li> <li><a href="/editing/people">People</a></li> <li><a href="/editing/pitfalls">Pitfalls</a></li> <li><a href="/editing/quizzes">Quizzes</a></li> <li><a href="/editing/statbox">Statbox</a></li> <li><a href="/editing/symbols">Symbols</a></li> <li><a href="/editing/tables">Tables</a></li> <li><a href="/editing/timelines">Timelines</a></li> <li><a href="/editing/tooltips">Tooltips</a></li> <li><a href="/editing/videos">Videos</a></li> <li><a href="/editing/whitespace">Whitespace</a></li> </ul></details></li> <!-- Contribute/Editing the Wiki --> </ul></details></li> <!-- Contribute --> <li><details><summary><a href="/discuss">Discuss</a></summary><ul> <li><a href="/discuss/bugs">Reporting Issues</a></li> <li><a href="/discuss/mailing-lists">Mailing Lists</a></li> <li><a href="/discuss/chat">Chat</a></li> </ul></details></li> <!-- Discuss --> <li><details><summary>Explore</summary><ul> <li><a href="/news">News</a></li> <li><details><summary><a href="/events">Events</a></summary><ul> <li><a href="/events/presentations">Presentations</a></li> <li><a href="/events/conferences">Conferences</a></li> <li><a href="/events/hackathons">Hackathons</a></li> <li><a href="/events">More...</a></li> </ul></details></li> <!-- Discuss/Events --> <li><details><summary><a href="/libs">Libraries</a></summary><ul> <li><a href="/libs/imagej-ops">ImageJ Ops</a></li> <li><a href="/libs/imagej-common">ImageJ Common</a></li> <li><a href="/libs/imagej-legacy">ImageJ Legacy</a></li> <li><a href="/libs/scijava">SciJava</a></li> <li><a href="/libs/scifio">SCIFIO</a></li> <li><details><summary><a href="/libs/imglib2">ImgLib2</a></summary><ul> <li><a href="/libs/imglib2/getting-started">Getting Started</a></li> <li><a href="/libs/imglib2/accessors">Accessors</a></li> <li><a href="/libs/imglib2/accessibles">Accessibles</a></li> <li><a href="/libs/imglib2/examples">Examples</a></li> <li><a href="/libs/imglib2/workshop-introductory">Introductory Workshop</a></li> <li><a href="/libs/imglib2/workshop-advanced">Advanced Workshop</a></li> <li><a href="/libs/imglib2/matlab">ImgLib2 images in MATLAB</a></li> <li><a href="/libs/imglib2/benchmarks">Benchmarks</a></li> <li><a href="/libs/imglib2/faq">FAQ</a></li> <li><a href="/libs/imglib2/developing">Developing ImgLib2</a></li> <li><a href="/libs/imglib2/discussion">ImgLib2 Discussion</a></li> </ul></details></li> <!-- Explore/Libraries/ImgLib2 --> <li><a href="/libs">More...</a></li> </ul></details></li> <!-- Explore/Libraries --> <li><details><summary><a href="/software">Software</a></summary><ul> <li><a href="/software/nih-image">NIH Image</a></li> <li><a href="/software/imagej">ImageJ</a></li> <li><a href="/software/imagej2">ImageJ2</a></li> <li><a href="/software/fiji">Fiji</a></li> <li><a href="/software">More...</a></li> </ul></details></li> <!-- Explore/Software --> </ul></details></li> <!-- Explore --> </ul> </div> </section> <section id="right-column" class="sidebar dock"> <!-- Vital stats --> <!-- Table of contents --> <div id="toc" class="toc menu dockable"> <div class="drag-handle"></div> <h3>Page contents</h3> <ul data-toc="#content" data-toc-headings="h1,h2,h3,h4,h5,h6"></ul> </div> </section> <!-- Page title --> <div class="container"> <header class="major special"> <a class="project-icon shadowed-box" href="/software/imagej2"><span class="tooltip"><img src="/media/icons/imagej2.png"><span class="tooltiptext" style="top: 80%; left: 25%; width: 20em">This page describes content relating to the ImageJ2 platform. Click the logo for details.</span></span></a> <h1>Development</h1> <span class="project-counterweight"> </span> </header> </div> <!-- Nav bar --> <!-- Main content --> <section id="page" class="main style1"> <div class="container"> <div class="box alt"></div> <div id="content" class="page-content"> <div class="notice" style="font-size: 2; background: #ebf2f8; border-left: 10px solid #67a1fe"><div class="notice-icon"><img src="/media/icons/info.svg" width="32" /></div><div class="notice-content"><p>If your goal is to automate the behavior of ImageJ, consider writing a <a href="/scripting/script-editor">script</a> using ImageJ2’s <a href="/scripting/script-editor">Script Editor</a>—it is often much simpler than a plugin in Java.</p> </div> </div> <p>This page provides an overview of ImageJ2 from the perspective of software development: how to use it from your programs, as well as how to modify or extend its capabilities via <a href="/plugins">plugins</a>.</p> <h2 id="quick-start">Quick start</h2> <ul> <li><strong>Learn to write <a href="/scripting">scripts</a></strong> from the <a href="/tutorials/notebooks">tutorial notebooks</a>.</li> <li><strong>Learn to use ImageJ2 from Java</strong> with the <a href="https://github.com/imagej/tutorials/tree/master/java">tutorial Maven projects</a>.</li> <li><strong>Get started developing your own Fiji plugin</strong> with <a href="/develop/beginners-guide">a beginner’s guide to starting a Fiji project</a>.</li> </ul> <h2 id="what-is-imagej2">What is ImageJ2?</h2> <table style="width: 60%; font-size: large; margin-left: 25px; margin-top: 5px;"> <tbody> <tr> <td style="padding: 15px 15px;"> An end-user <a href="https://en.wikipedia.org/wiki/Application_software">software application</a> </td> </tr> <tr> <td style="border-top: 1px #aaa solid; padding: 15px 15px;"> <a href="Getting%20started"><img src="/media/develop/imagej-app.png" width="500px"></a> </td> </tr> <tr> <td> Reusable <a href="https://en.wikipedia.org/wiki/Library_(computing)">software libraries</a> </td> </tr> <tr> <td style="padding: 0 15px 15px 35px; font-size: small;"> <figure class="highlight"><pre><code class="language-java" data-lang="java"><span class="kd">public</span> <span class="kt">void</span> <span class="nf">loadAndDisplay</span><span class="o">(</span><span class="nc">File</span> <span class="n">file</span><span class="o">)</span> <span class="o">{</span> <span class="nc">ImageJ</span> <span class="n">ij</span> <span class="o">=</span> <span class="k">new</span> <span class="nc">ImageJ</span><span class="o">();</span> <span class="nc">Object</span> <span class="n">data</span> <span class="o">=</span> <span class="n">ij</span><span class="o">.</span><span class="na">io</span><span class="o">().</span><span class="na">open</span><span class="o">(</span><span class="n">file</span><span class="o">);</span> <span class="n">ij</span><span class="o">.</span><span class="na">ui</span><span class="o">().</span><span class="na">show</span><span class="o">(</span><span class="n">data</span><span class="o">);</span> <span class="o">}</span></code></pre></figure> </td> </tr> <tr> <td style="border-top: 1px #aaa solid; padding: 15px 15px 0 15px;"> An extensible collection of <a href="plugins">plugins</a> and <a href="/libs/scijava#services">services</a> </td> </tr> <tr> <td style="padding: 15px 0 30px 45px;"> <a href="/libs/scijava"><img src="/media/logos/scijava.png" height="72px"></a> </td> </tr> <tr> <td style="border-top: 1px #aaa solid; padding: 15px 15px 0 15px;"> <em>"Write once, run anywhere"</em> <a href="/libs/imagej-ops">image processing routines</a> </td> </tr> <tr> <td style="padding: 15px 0 15px 25px;"> <a href="/libs/imagej-ops"><img src="/media/develop/write-once-run-anywhere.png" width="500px"></a> </td> </tr> </tbody> </table> <h2 id="project-structure">Project structure</h2> <p>ImageJ2 is divided into three parts—ImageJ2, ImgLib2, and SciJava—with responsibilities as follows:</p> <style> .layer { display: flex; flex-wrap: wrap; } .project { flex-grow: 1; border: 1px solid lightgray; margin-bottom: 0.5em; min-width: 350px; text-align: center; } .project div:first-child { font-size: 3rem; white-space: nowrap; padding: 0.25em; } .project p { margin: 0; padding: 0; } .project p a, .project p img { vertical-align: middle; } .project p:nth-child(2) { font-size: 1rem; font-weight: bold; margin: 0; } .project ul.links { list-style-type: none; padding-top: 0.5em; padding-bottom: 1em; } .project ul.links li { display: inline; background-color: peachpuff; border-radius: 0.5em; margin: 0.5em 0.1em; padding: 0.3em 0.5em; line-height: 2.3em; white-space: nowrap; } .project ul.bullets { display: inline-block; text-align: left; padding: 0.5em 1em 1em 2em; list-style-type: square; } </style> <div class="layer"> <div class="project"> <div> <p><a href="/software/imagej2"><img alt="ImageJ2" src="/media/icons/imagej2.png" width="72px"/></a><a href="/software/imagej2">ImageJ2</a></p> <p>image-specific components</p> </div> <div> <ul class="links"> <li><a href="/libs/imagej-common">ImageJ Common</a></li> <li><a href="/libs/imagej-ops">ImageJ Ops</a></li> <li><a href="/plugins/updater">ImageJ Updater</a></li> <li><a href="/libs/imagej-legacy">ImageJ Legacy</a></li> <li><a href="/libs/scifio">SCIFIO</a></li> </ul> </div> </div> </div> <div class="layer"> <div class="project"> <div> <p><a href="/libs/scijava"><img src="/media/logos/scijava.png" height="72px"></a></p> <p>more general than images</p> </div> <div> <ul class="bullets"> <li>Application container</li> <li>Plugin framework</li> <li>Module framework</li> <li>Display and UI frameworks</li> <li>Scripting framework and plugins</li> </ul> </div> </div> <div class="project"> <div> <p><a href="/libs/imglib2"><img alt="ImgLib2" src="/media/icons/imglib2.png" width="72px"/></a><a href="/libs/imglib2">ImgLib2</a></p> <p>core image data model</p> </div> <div> <ul class="bullets"> <li>Extensible pixel types – not just uint8, uint16, float32</li> <li>Extensible data sources – not just files on disk</li> <li>Extensible sample organizations – not just arrays</li> <li>Extensible dimensionality – not just X, Y, Z and time</li> <li>Interface-driven design</li> </ul> </div> </div> </div> <p>For full details on the technical structure of ImageJ2, see the <a href="architecture">Architecture</a> page.</p> <h2 id="key-developer-tools">Key developer tools</h2> <p>There are four indispensable software development tools on which ImageJ2 relies:</p> <table> <tbody> <tr> <td><a href="/develop/github"><img alt="GitHub" src="/media/icons/github.png" width="48px" /></a></td> <td><a href="github">GitHub</a></td> <td>A website which hosts all the <a href="source">source code</a> and <a href="project-management#issue-tracking">issue trackers</a>. GitHub is the ImageJ community’s nexus of online collaboration (i.e., “social coding”).</td> </tr> <tr> <td><a href="/develop/git"><img alt="Git" src="/media/icons/git.png" width="48px" /></a></td> <td><a href="git">Git</a></td> <td>A first-class <a href="https://en.wikipedia.org/wiki/Distributed_version_control">distributed</a> <a href="https://en.wikipedia.org/wiki/Version_control">version control</a> system. Git saves “snapshots” of the source code, keeping a history of changes.</td> </tr> <tr> <td><a href="/develop/maven"><img alt="Maven" src="/media/icons/maven.png" width="48px" /></a></td> <td><a href="maven">Maven</a></td> <td>A <a href="https://en.wikipedia.org/wiki/Build_automation">build automation</a> tool with great dependency management. Maven converts source code into program binaries, and much more.</td> </tr> <tr> <td><a href="/develop/eclipse"><img alt="Eclipse" src="/media/icons/eclipse.png" width="48px" /></a></td> <td><a href="eclipse">Eclipse</a></td> <td>An <a href="ides">integrated development environment</a> (IDE) used by many developers in this community. Eclipse makes it much easier to explore and edit the source code.<br />Although: ImageJ and friends can be developed using <a href="ides"><em>any</em> IDE</a> which supports <a href="maven">Maven</a>.</td> </tr> </tbody> </table> <p>See the <a href="project-management">Project management</a> page for further details.</p> <h2 id="source-code">Source code</h2> <p><a href="/software/imagej2">ImageJ2</a> and related <a href="/libs/scijava">SciJava</a> software projects are <a href="/licensing/open-source">open source</a>. The code is organized into <a href="architecture#modularity">well-separated</a> projects.</p> <p>See the <a href="source">source code</a> page for further details.</p> <h2 id="tutorials">Tutorials</h2> <p>Start with the <a href="/tutorials/notebooks">ImageJ2 tutorial notebooks</a>!</p> <table class="top striped-columns"> <tbody> <tr> <th>Learning the ImageJ2 API</th> <th>ImageJ2 plugins</th> <th>The Fiji distribution of ImageJ2</th> </tr> <tr> <td> <ul> <li><a href="https://github.com/imagej/tutorials">ImageJ2 tutorials</a></li> <li><a href="/libs/imglib2/examples">ImgLib2 Examples</a></li> <li><a href="ij1-ij2-cheat-sheet">ImageJ1-ImageJ2 cheat sheet</a></li> </ul> </td> <td> <ul> <li><a href="plugins">Writing ImageJ2 plugins</a></li> <li><a href="improving-the-code">Contributing to an existing plugin</a></li> <li><a href="/contribute/distributing">Distributing your plugin</a></li> <li><a href="ij1-plugins">Writing ImageJ 1.x plugins</a></li> </ul> </td> <td> <ul> <li><a href="/software/fiji/developing">Developing Fiji</a></li> <li><a href="eclipse">Fiji + Eclipse</a </li> <li><a href="/contribute/fiji">Fiji contribution requirements</a </li> <li><a href="supported-compilers">Supported Compilers</a </li> </ul> </td> </tr> </tbody> </table> <p>Also check the Youtube tutorials from the I2K conference channel such as</p> <div class="video"><iframe src="https://www.youtube.com/embed/3SMLgHnpvRI" width="400" height="300" frameborder="0" webkitallowfullscreen="" mozallowfullscreen="" allowfullscreen="" allow="accelerometer; encrypted-media; gyroscope; picture-in-picture"></iframe></div> <div class="video"><iframe src="https://www.youtube.com/embed/vokM-yvBx8M" width="400" height="300" frameborder="0" webkitallowfullscreen="" mozallowfullscreen="" allowfullscreen="" allow="accelerometer; encrypted-media; gyroscope; picture-in-picture"></iframe></div> </div> </div> </section> <!-- Footer --> <section id="footer"> <ul class="icons"> <li><a href="https://forum.image.sc/tag/imagej" class="icon alt"><img src="/media/icons/image-sc.png" width="24" style="vertical-align: middle; margin-top: -10px"><span class="label">Forum</span></a></li> <li><a href="https://twitter.com/hashtag/ImageJ" class="icon brands alt fa-twitter"><span class="label">Twitter</span></a></li> <li><a href="https://github.com/imagej" class="icon brands alt fa-github"><span class="label">GitHub</span></a></li> </ul> <ul class="copyright"> <li>Design: <a href="http://html5up.net">HTML5 UP</a></li> </ul> </section> <!-- Hamburger menu --> <nav role="navigation"> <div id="ham-toggle"> <input type="checkbox" /> <span></span> <!-- top bun --> <span></span> <!-- hamburger --> <span></span> <!-- bottom bun --> <ul id="ham-menu"> <div class="menu"><h3>ImageJ Docs</h3> <ul> <li><a href="/downloads">Download</a></li> <li><details><summary>Learn</summary><ul> <li><details><summary><a href="/learn">ImageJ Basics</a></summary><ul> <li><a 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Analysis</a></li> <li><a href="/imaging/registration">Registration</a></li> <li><a href="/imaging/segmentation">Segmentation</a></li> <li><a href="/imaging/stack-slice-manipulations">Stack-slice Manipulations</a></li> <li><a href="/imaging/t-functions">T-functions</a></li> <li><a href="/imaging/tracking">Tracking</a></li> <li><a href="/imaging/visualization">Visualization</a></li> <li><a href="/imaging/z-functions">Z-functions</a></li> </ul></details></li> <!-- Learn/Scientific Imaging --> </ul></details></li> <!-- Learn --> <li><details open><summary><a href="/plugins">Extend</a></summary><ul> <li><a href="/list-of-extensions">List of Extensions</a></li> <li><details><summary><a href="/update-sites">Update Sites</a></summary><ul> <li><a href="/list-of-update-sites">List of Update Sites</a></li> <li><a href="/update-sites/following">Following an Update Site</a></li> <li><a href="/update-sites/setup">Creating an Update Site</a></li> <li><a href="/update-sites/tos">Terms of 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<li><details><summary>Languages</summary><ul> <li><a href="/scripting/beanshell">BeanShell Scripting</a></li> <li><a href="/scripting/groovy">Groovy Scripting</a></li> <li><a href="/scripting/macro">ImageJ Macro</a></li> <li><a href="/scripting/javascript">JavaScript</a></li> <li><a href="/scripting/clojure">Lisp (Clojure)</a></li> <li><a href="/scripting/matlab">MATLAB</a></li> <li><a href="/scripting/jython">Python (Jython)</a></li> <li><a href="/scripting/python">Python (native)</a></li> <li><a href="/scripting/renjin">R (Renjin)</a></li> <li><a href="/scripting/jruby">Ruby (JRuby)</a></li> <li><a href="/scripting/scala">Scala Scripting</a></li> </ul></details></li> <!-- Extend/Scripting/Languages --> </ul></details></li> <!-- Extend/Scripting --> <li><details><summary><a class="current-page">Development</a></summary><ul> <li><a href="/develop/philosophy">Philosophy</a></li> <li><a href="/develop/architecture">Architecture</a></li> <li><a href="/develop/source">Source code</a></li> 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