Open Source Java Integrated Development Environments (IDE)
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Java Integrated Development Environments (IDE)
View 161 business solutionsBrowse free open source Java Integrated Development Environments (IDE) and projects below. Use the toggles on the left to filter open source Java Integrated Development Environments (IDE) by OS, license, language, programming language, and project status.
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IntelliJ Community Edition
IntelliJ IDEA & IntelliJ Platform
IntelliJ Community is the open source upstream of JetBrains’ IntelliJ IDEA, forming the core of a powerful, extensible, and intelligent development environment. It provides foundational features like a robust editor with code completion, syntax highlighting, refactoring tools, version control integrations, terminal, debugger, and plugin architecture. Since it’s open, community developers can contribute to language supports, UI tweaks, and platform enhancements. From this base, JetBrains builds full editions (Ultimate) by layering proprietary features for enterprise frameworks and integrations. IntelliJ Community supports multiple JVM-based languages (Java, Kotlin, Scala, Groovy) and serves as a host for plugin ecosystems that add support for web, database, and cloud tooling. The project emphasizes performance, modularity, and a responsive user experience, maintaining a codebase that balances long-term maintainability with cutting-edge developer features. -
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jVi is a vi/vim editor clone built on top of the javax.swing.text package. Available for NetBeans and JBuilder. jVi is designed to quickly and easily integrate into many disparate java based desktop apps, from IDE's to mail-news readers.
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Open tool platform for the cost effective rigorous development of dependable complex software systems services. This platform is based on the event-B formal method and provides natural support for refinement and mathematical proof.
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DrJava
A lightweight programming environment for Java
DrJava is a lightweight programming environment for Java designed to foster test-driven software development. It includes an intelligent program editor, an interactions pane for evaluating program text, a source level debugger, and a unit testing tool. -
Build Agents and Models on One PlatformGemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
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Apache NetBeans
Apache NetBeans
Apache NetBeans is much more than a text editor. It highlights source code syntactically and semantically, lets you easily refactor code, with a range of handy and powerful tools. Apache NetBeans provides editors, wizards, and templates to help you create applications in Java, PHP and many other languages. Apache NetBeans can be installed on all operating systems that support Java, i.e, Windows, Linux, Mac OSX and BSD. Write Once, Run Anywhere, applies to NetBeans too. -
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PyDev is a Python Development Environment (Python IDE plugin for Eclipse). It features an editor with code completion, code analysis, refactoring, outline view, debugger, mark occurrences and other goodies - check http://pydev.org for more details). It's kept going by community contributions, so, if you think it's a worthy project, please contribute through http://pydev.org
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AndroidIDE
AndroidIDE is an IDE for Android to develop full featured Android apps
An IDE to develop real, Gradle-based Android applications on Android devices. -
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Processing
Source code for the processing core and development environment
Processing is a flexible software sketchbook and a language for learning how to code within the context of the visual arts. Since 2001, Processing has promoted software literacy within the visual arts and visual literacy within technology. There are tens of thousands of students, artists, designers, researchers, and hobbyists who use processing for learning and prototyping. The core Processing software is augmented by libraries and tools contributed through the community. These inventive extensions are a bright future for the project. We have a list of Contributed Libraries and Contributed Tools posted online. These contributions can't be underestimated. The Processing Development Environment makes it easy to write Processing programs. It’s free and open source! Read the tutorial, which will guide you through the basics of Processing. -
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RStudio
RStudio is an integrated development environment (IDE) for R
RStudio is a powerful, full-featured integrated development environment (IDE) tailored primarily for the R programming language but increasingly supportive of other languages like Python and Julia. It brings together console, editor, plotting, workspace, history, and file-management panes into a unified interface, helping data scientists, statisticians, and analysts to work more productively. The IDE is cross-platform: there are desktop versions for Windows, macOS and Linux, as well as a server version for remote or multi-user deployment via a web browser. In addition to code editing and execution, RStudio offers extensive support for reproducible research via R Markdown, notebooks, and integration with version control systems like Git and SVN. Package development is built in, with tooling for building, checking, and testing R packages, plus integration with documentation tools, CRAN submission workflows, and project templates. -
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wxWidgets Dialog Designer
Dev-C++ with wxWidgets designer
wxDev-C++ is an opensource wxWidgets Dialog designer that mimics the Delphi/Borland C++ Builder designer. -
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IntelliJ Plugins
Open-source plugins included in the distribution of IntelliJ IDEA
IntelliJ-Plugins is a GitHub organization and central repository collection maintained by JetBrains that hosts a vast ecosystem of plugins extending the functionality of IntelliJ-based IDEs, including IntelliJ IDEA, PyCharm, WebStorm, CLion, and more. These plugins range from language support (e.g., for Rust, Go, or SQL) to productivity tools, UI themes, database helpers, VCS integrations, code analysis tools, and domain-specific utilities that tailor the IDE to different development workflows. By hosting plugin source code publicly, JetBrains promotes transparency, community contribution, and shared ownership of tooling that improves developer productivity and integrates niche technologies into world-class IDEs. Developers can explore design patterns, sample implementations, and extension points used by real plugins, learn how to build their own, or contribute enhancements and bug fixes. -
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CP Editor
The IDE for competitive programming
CP Editor is designed for competitive programming. It helps you focus on your algorithms and automates the compilation, execution and testing of your code. It can fetch test cases from different platforms and submit solutions to Codeforces. It automates all that's reasonably possible and allows you to purely focus on your code. Say no to manual efforts of running and testing your code against expected outputs. It can fetch test cases automatically from almost all competitive programming sites. No more copy-pasting! With a single click, you can run your code on multiple test cases and get verdicts. Thanks to CF tools, It can submit your solution directly to codeforces and show you verdict without leaving the editor. -
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External Compare - Eclipse Plugin
Launch an external diff tool like WinMerge in Eclipse
Eclipse comes with an internal diff / compare editor, but if you prefer a third-party one, this plugin opens an external merge or diff tool for you. After you open two versions of a file in the internal eclipse compare editor, this plugin either opens an external diff tool automatically or you can choose that this plugin opens the external diff tool after you press a button in the toolbar of the internal compare editor. Furthermore the plugin can (optional) format java code before the compare. This simplifies the compare if the code of 2 versions of a file is different formatted. -
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The Whole Platform is a technology for engineering the production of software. We provide an Eclipse based Language Workbench for developing, manipulating and transforming languages using a model driven approach.
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The aim of this project is to develope a decompiler for java which is platform independent and has options to obfuscate the class file also. The project takes class file as input and decompiles it and provides the source file.
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Vrapper
Vim-like editing in Eclipse
Vrapper is an eclipse plugin which acts as a wrapper for existing eclipse text editors to provide a Vim-like input scheme for moving around and editing text. Eclipse Update Site: http://vrapper.sourceforge.net/update-site/stable -
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EditBox
EditBox is the Eclipse plugin for source code background highlighting.
EditBox is the Eclipse plugin for source code background highlighting. While most of plugins highlight the syntax of the source code, EditBox highlights the selected block of the code by changing its background color and drawing border around it. -
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Eclipse Verilog editor is a plugin for the Eclipse IDE. It provides Verilog(IEEE-1364) and VHDL language specific code viewer, contents outline, code assist etc. It helps coding and debugging in hardware development based on Verilog or VHDL.
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Colorer provides source text syntax highlighting services. It colorizes source codes in editor systems (more than 200 syntaxes). Uses powerful HRC format(XML, RE, context free grammas), allowing to support any language. Available as Eclipse plugin.
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This Eclipse plugin help you to create, edit and verify your GLSL (OpenGL Shading Language) and NVidia CG vertex and pixel shaders directly inside the Eclipse IDE. Each shader can be edit in an editor with syntax color with error/warning markers.
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EJE (Everyone's Java Editor)
Learn Java the easy way!
EJE is a simple Java editor, perfect to learn Java, without learning a complex development tool. EJE is multi-platform (written in Java), light- weight, user-friendly and have several useful basic features. A good help to start with Java! Supports the study of the Java for Aliens book (www.javaforaliens.com), or other my books (Italian Language) like www.nuovojava.it. You don't need to install the JDK anymore (the runtime is embedded). See the video "How to create the "Hello World App in 20 Seconds" at https://www.youtube.com/watch?v=aKiEAGbEk2k -
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Kisekae UltraKiss
Kisekae UltraKiss is a full featured integrated development environmen
UltraKiss is a computer program that implements the Kisekae Set system, KiSS, a Japanese graphics system originally developed to facilitate costume changes on virtual dolls. UltraKiss was developed to help artists build their KiSS sets. It is a full featured viewer for all KiSS dolls, games, and visual applications. It is also a complete graphical development environment for creating KiSS applications. It fully implements the FKiSS event driven programming language up to and including new FKiSS5 enhanced capabilities. These features enable Kisekae game and application development. UltraKiss includes an integrated palette color editor tool, an image editor tool, an integrated audio and video player, and an archive manager that packages LHA, ZIP, and JAR archive files. It also provides a full featured FKiSS programming language trace and debugging tool. UltraKiss has been designed to provide improved developer support so that it is easy to create new KiSS applications. -
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Green, an Eclipse plugin, is an advanced yet simple UML class-diagram tool, developed primarily for student use. It does live round-tripping, so it's easy to move between diagram and code views. It's extensible: users can define their own relations
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Symja Java Computer Algebra
Symja - Java computer algebra language & symbolic math library
Symja - computer algebra language and Java symbolic math library. Moved to https://github.com/axkr/symja_android_library. The Android App can be found at: https://github.com/axkr/symja-example
