Showing 2456 open source projects for "java code"

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  • 1
    SonarQube

    SonarQube

    Continuous inspection

    SonarQube empowers all developers to write cleaner and safer code. Thousands of automated Static Code Analysis rules, protecting your app on multiple fronts, and guiding your team. Catch tricky bugs to prevent undefined behavior from impacting end-users. Fix vulnerabilities that compromise your app, and learn AppSec along the way with Security Hotspots. Make sure your codebase is clean and maintainable, to increase developer velocity! We embrace progress - whether it's multi-language...
    Downloads: 27 This Week
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  • 2
    Auto

    Auto

    A collection of source code generators for Java

    Auto is a collection of source code generators for Java. Java is full of code that is mechanical, repetitive, typically untested and sometimes the source of subtle bugs. Sounds like a job for robots! The Auto subprojects are a collection of code generators that automate those types of tasks. They create the code you would have written, but without the bugs. Save time.
    Downloads: 1 This Week
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  • 3
    SpotBugs

    SpotBugs

    A tool for static analysis to look for bugs in Java code

    SpotBugs is a program that uses static analysis to look for bugs in Java code. It is free software, distributed under the terms of the GNU Lesser General Public License. SpotBugs is a fork of FindBugs (which is now an abandoned project), carrying on from the point where it left off with the support of its community. Please check the official manual for details. SpotBugs requires JRE (or JDK) 1.8.0 or later to run.
    Downloads: 22 This Week
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  • 4
    OpenGrok

    OpenGrok

    Fast and usable source code search and cross reference engine

    OpenGrok is a fast and usable source code search and cross reference engine. It helps you search, cross-reference and navigate your source tree. It understands various program file formats and history from many Source Code Management systems. In other words it lets you grok (profoundly understand) source code and is developed in the open, hence the name OpenGrok. It is written in Java.
    Downloads: 11 This Week
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  • 5
    J2CL

    J2CL

    Java to Closure JavaScript transpiler

    J2CL is a lightweight transpiler developed by Google that converts Java source code into highly optimized JavaScript designed to work seamlessly with the Closure Compiler. It allows developers to write applications in Java while targeting web environments, enabling strong type safety and code reuse across platforms. Unlike monolithic frameworks, J2CL focuses purely on transpilation, leaving optimization, bundling, and runtime concerns to the broader toolchain, which provides flexibility in modern development workflows. ...
    Downloads: 3 This Week
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  • 6
    RefactorFirst

    RefactorFirst

    Identifies and prioritizes God Classes Highly Coupled classes

    A tool designed to automate code refactoring for developers, reducing technical debt and improving code quality.
    Downloads: 4 This Week
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  • 7
    Spoon

    Spoon

    Metaprogramming library to analyze and transform Java source code

    Spoon is an open-source library to analyze, rewrite, transform, transpile Java source code. It parses source files to build a well-designed AST with powerful analysis and transformation API. It supports modern Java versions up to Java 20. Spoon is an official Inria open-source project, and member of the OW2 open-source consortium.
    Downloads: 23 This Week
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  • 8
    CP Editor

    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...
    Downloads: 14 This Week
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  • 9
    jOOQ

    jOOQ

    jOOQ is the best way to write SQL in Java

    jOOQ generates Java code from your database and lets you build type-safe SQL queries through its fluent API. jOOQ is an internal DSL and source code generator, modeling the SQL language as a type-safe Java API to help you write better SQL.
    Downloads: 0 This Week
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  • 10
    Crafting Interpreters

    Crafting Interpreters

    Repository for the book "Crafting Interpreters"

    This repository is the companion to the book Crafting Interpreters. It contains the full source code for two interpreters (one in C and one in Java), the Markdown source of the book, the tooling to weave prose and code into a website, and build scripts to generate the executable interpreters. The book aims to teach from the ground up how to build a full-featured scripting language (called Lox) with parsing, AST, compiler / VM, garbage collection, classes, and more. ...
    Downloads: 18 This Week
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  • 11
    Piranha

    Piranha

    A tool for refactoring code related to feature flag APIs

    Feature flags are commonly used to enable gradual rollout or experiment with new features. In a few cases, even after the purpose of the flag is accomplished, the code pertaining to the feature flag is not removed. We refer to such flags as stale flags. The presence of code pertaining to stale flags can have the following drawbacks. Unnecessary code clutter increases the overall complexity w.r.t maintenance resulting in reduced developer productivity The flags can interfere with other...
    Downloads: 9 This Week
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  • 12
    Odigos

    Odigos

    Distributed tracing without code changes

    Odigos supports any application written in Java, Python, .NET, Node.js and Go. Historically, compiled languages like Go have been difficult to instrument without code changes. Odigos solves this problem by uniquely leveraging eBPF. Odigos currently supports all the popular managed and open source destinations. By producing data in the OpenTelemetry format, Odigos can be used with any observability tool that supports OTLP.
    Downloads: 21 This Week
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  • 13
    Codename One

    Codename One

    Cross-platform framework for building truly native mobile apps

    ...Build beautiful UI with Codename One’s rich set of widgets, specifically designed for mobile apps. Native look and feel out of the box, but fully themeable using CSS to provide your own unique look. Compiles Java or Kotlin into native code for iOS, UWP (Universal Windows Platform), Android and even JavaScript (with seamless PWA and Thread support) Changes you make in your Java/Kotlin source code will be applied immediately to your already-running app in the simulator.
    Downloads: 8 This Week
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  • 14
    OneDev

    OneDev

    Git Server with CI/CD, Kanban, and Packages

    OneDev is a comprehensive Git server that combines source code management with built-in CI/CD, issue tracking, and project management tools. It offers an intuitive GUI for creating CI/CD jobs, supports versatile executors, and provides features like code search and navigation. OneDev aims to deliver a seamless integration experience for development teams.
    Downloads: 5 This Week
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  • 15
    Geany

    Geany

    A fast and lightweight IDE

    Geany is a powerful, stable and lightweight programmer's text editor that provides tons of useful features without bogging down your workflow. It runs on Linux, Windows and macOS, is translated into over 40 languages, and has built-in support for more than 50 programming languages.
    Downloads: 50 This Week
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  • 16
    Spotless

    Spotless

    Keep your code spotless

    Spotless is a tool for formatting and enforcing consistent code style in various languages, streamlining code quality across teams.
    Downloads: 0 This Week
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  • 17
    Perl5 plugins for IntelliJ IDEA

    Perl5 plugins for IntelliJ IDEA

    Perl5 plugins for IntelliJ IDEA

    Perl5-IDEA is a plugin for JetBrains IDEs, including IntelliJ IDEA, that provides comprehensive support for Perl 5 development. It enhances the development experience with features like syntax highlighting, code completion, and debugging tools.​
    Downloads: 8 This Week
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  • 18
    AWS X-Ray Java Agent

    AWS X-Ray Java Agent

    The official AWS X-Ray Auto Instrumentation Agent for Java

    The AWS X-Ray Java Agent is a drop-in solution that enables the propagation of X-Ray traces within your Java web applications and servlet-based microservices. This includes automatic tracing for supported frameworks and libraries, including Spring, the AWS SDK, Apache HTTP clients, and JDBC-based SQL queries. The agent enables you to use the X-Ray SDK out of box, and requires no code changes to enable the basic propagation of traces.
    Downloads: 0 This Week
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  • 19
    NullAway

    NullAway

    A tool to help eliminate NullPointerExceptions (NPEs) in your code

    NullAway is a tool to help eliminate NullPointerExceptions (NPEs) in your Java code. To use NullAway, first add @Nullable annotations in your code wherever a field, method parameter, or return value may be null. Given these annotations, NullAway performs a series of type-based, local checks to ensure that any pointer that gets dereferenced in your code cannot be null. NullAway is similar to the type-based nullability checking in the Kotlin and Swift languages, and the Checker Framework and Eradicate null checkers for Java. ...
    Downloads: 0 This Week
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  • 20
    Pkl

    Pkl

    A configuration as code language with rich validation and tooling

    ...Configurations in Pkl are type-safe and support validation constraints (e.g. bounds, relations) so many errors can be caught before deployment. The language is embeddable, meaning it can run inside applications (Java, Swift, Go, etc.) to load configuration dynamically with the same safety guarantees. There’s also code generation support: writing Pkl modules can generate matching classes or data structures in target languages (Swift, Go, Java, Kotlin) so runtime config and statically typed code stay in sync.
    Downloads: 3 This Week
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  • 21
    Schema Spy

    Schema Spy

    SchemaSpy code home

    This is a new code repository for SchemaSpy tool initially created and maintained by John Currier. I personally believe that work on SchemaSpy should be continued, and a lot of still existing issues should be resolved. Last released version of the SchemaSpy was in 2010, and I have a plan to change this. Process of installation is very simple because SchemaSpy is only one Java .jar application.
    Downloads: 5 This Week
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  • 22
    GraphQL Kotlin

    GraphQL Kotlin

    Libraries for running GraphQL in Kotlin

    graphql-java is one of the most popular JVM-based GraphQL implementations. GraphQL Kotlin is built on top of grahpql-java as it can be easily extended with additional functionality and this implementation has been used and tested by many users. The most common way to create the schema in graphql-java is to first manually write the SDL file. Then write the runtime code that matches this schema to build the GraphQLSchema object.
    Downloads: 5 This Week
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  • 23
    MyBatis-Plus

    MyBatis-Plus

    An powerful enhanced toolkit of MyBatis for simplify development

    MyBatis-Plus is an enhanced toolkit for MyBatis, designed to simplify development and increase productivity. It provides a range of out-of-the-box features such as code generation, conditional query builders, and pagination plugins, reducing boilerplate code and streamlining database operations. MyBatis-Plus is widely used in enterprise applications for its efficiency and ease of use.
    Downloads: 6 This Week
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  • 24
    JeecgBoot

    JeecgBoot

    Low-code enterprise web development platform

    JeecgBoot is a low-code platform built on Spring Boot that accelerates enterprise application development with online forms, code generation, and a modern Vue-based frontend. It can generate CRUD screens, data dictionaries, and menu structures from database schemas, producing clean starter code that developers can extend. The platform integrates common enterprise features—RBAC permissions, data scopes, dictionary management, logging, and file/OSS integration—so teams start from a...
    Downloads: 9 This Week
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  • 25
    SikuliX

    SikuliX

    SikuliX version 2.0.0+ (2019+)

    SikuliX automates anything you see on the screen of your desktop computer running Windows, Mac or some Linux/Unix. It uses image recognition powered by OpenCV to identify GUI components and can act on them with mouse and keyboard actions. This is handy in cases when there is no easy access to a GUI's internals or the source code of the application or web page you want to act on.
    Downloads: 132 This Week
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