Showing 43704 open source projects for "java-legacy"

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  • 1
    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: 29 This Week
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  • 2
    Alibaba Dragonwell8

    Alibaba Dragonwell8

    Alibaba Dragonwell8 JDK

    Over the years, more than a billion lines of Java code have been written in Alibaba. While adopting OpenJDK to run these applications, we have found a need to customize it specifically for large-scale Java application deployments. Our customization has been well-tested in our environment. We are now contributing some of our work into the Java community. Alibaba Dragonwell, as a downstream version of OpenJDK, is the in-house OpenJDK implementation at Alibaba.
    Downloads: 11 This Week
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  • 3
    JavaCV

    JavaCV

    Java interface to OpenCV, FFmpeg, and more

    JavaCV uses wrappers from the JavaCPP Presets of commonly used libraries by researchers in the field of computer vision (OpenCV, FFmpeg, libdc1394, FlyCapture, Spinnaker, OpenKinect, librealsense, CL PS3 Eye Driver, videoInput, ARToolKitPlus, flandmark, Leptonica, and Tesseract) and provides utility classes to make their functionality easier to use on the Java platform, including Android. JavaCV also comes with hardware accelerated full-screen image display (CanvasFrame and GLCanvasFrame), easy-to-use methods to execute code in parallel on multiple cores (Parallel), user-friendly geometric and color calibration of cameras and projectors (GeometricCalibrator, ProCamGeometricCalibrator, ProCamColorCalibrator), detection and matching of feature points (ObjectFinder), a set of classes that implement direct image alignment of projector-camera systems (mainly GNImageAligner, ProjectiveTransformer, ProjectiveColorTransformer, ProCamTransformer, and ReflectanceInitializer), and more.
    Downloads: 32 This Week
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  • 4
    Chicory

    Chicory

    Native JVM WebAssembly runtime

    Chicory is a WebAssembly runtime designed specifically for the Java Virtual Machine, enabling developers to run Wasm modules entirely within Java applications without requiring native dependencies or JNI. Implemented in pure Java, it provides a portable and secure execution environment that can run anywhere the JVM is available, including cloud, desktop, and embedded systems. The runtime loads WebAssembly binaries and exposes their functions as callable Java APIs, allowing seamless integration with existing Java codebases. ...
    Downloads: 8 This Week
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  • 5
    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: 11 This Week
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  • 6
    BiglyBT

    BiglyBT

    Feature-filled Bittorrent client based on the Azureus open source

    ...BiglyBT includes detailed torrent management tools, built-in swarm merging, VPN detection, I2P support, and streaming capabilities. It’s highly customizable and supports a wide range of plugins, automation tools, and scheduling options. The client runs on Java and is available across major desktop platforms.
    Downloads: 35 This Week
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  • 7
    Kafdrop

    Kafdrop

    Kafka Web UI

    ...The tool displays information such as brokers, topics, partitions, and consumers, and lets you view messages. This project is a reboot of Kafdrop 2.x, dragged kicking and screaming into the world of Java 17+, Kafka 2.x, Helm and Kubernetes. It's a lightweight application that runs on Spring Boot and is dead-easy to configure, supporting SASL and TLS-secured brokers.
    Downloads: 31 This Week
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  • 8
    Spring Framework

    Spring Framework

    Comprehensive programming and configuration model for modern apps

    The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications, on any kind of deployment platform. A key element of Spring is infrastructural support at the application level: Spring focuses on the "plumbing" of enterprise applications so that teams can focus on application-level business logic, without unnecessary ties to specific deployment environments.
    Downloads: 28 This Week
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  • 9
    Spring Boot

    Spring Boot

    Easily create Spring-powered, production-grade applications

    ...By taking an opinionated view of the Spring platform, it enables you to quickly and easily get to the bits you need. Most Spring Boot applications need minimal Spring configuration. You can use it to create a stand-alone Java application or more traditional WAR deployments. A command line tool is also provided that allows you to run spring scripts.
    Downloads: 36 This Week
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  • 10
    JSON Schema Validator

    JSON Schema Validator

    A fast Java JSON schema validator that supports draft V4, V6, V7, V201

    This is a Java implementation of the JSON Schema Core Draft v4, v6, v7, v2019-09 and v2020-12(partial) specification for JSON schema validation. In addition, it also works for OpenAPI 3.0 request/response validation with some configuration flags. For users who want to collect information from a JSON node based on the schema, the walkers can help.
    Downloads: 11 This Week
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  • 11
    Hutool

    Hutool

    A set of tools that keep Java sweet

    Hutool is a small but comprehensive Java tool class library. Through static method encapsulation, it reduces the learning cost of related APIs, improves work efficiency, makes Java as elegant as a functional language, and makes the Java language "sweet". The tools and methods in Hutool come from each user's meticulous attention to detail. It covers all aspects of the underlying code of Java development.
    Downloads: 7 This Week
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  • 12
    typescript-generator

    typescript-generator

    Generates TypeScript from Java, JSON declarations, REST service client

    typescript-generator is a tool for generating TypeScript definition files (.d.ts) from Java JSON classes. If you have REST service written in Java (or another JVM language) using object to JSON mapping you can use typescript-generator to generate TypeScript interfaces from Java classes.
    Downloads: 8 This Week
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  • 13
    pmd

    pmd

    An extensible multilanguage static code analyzer

    ...It supports Java, JavaScript, Salesforce.com Apex and Visualforce, Modelica, PLSQL, Apache Velocity, XML, XSL, and Scala. Additionally, it includes CPD, the copy-paste-detector. CPD finds duplicated code in C/C++, C#, Dart, Fortran, Go, Groovy, Java, JavaScript, JSP, Kotlin, Lua, Matlab, Modelica, Objective-C, Perl, PHP, PLSQL, Python, Ruby, Salesforce.com Apex, Scala, Swift, Visualforce and XML.
    Downloads: 12 This Week
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  • 14
    KonaBess

    KonaBess

    A GPU overclock & undervolt tool for various Snapdragon chips

    KonaBess is a straightforward application designed to customize GPU frequency and voltage tables without the need for kernel recompilation. The application achieves customization by unpacking the Boot/Vendor Boot image, decompiling and editing relevant dtb (device tree binary) files, and finally repacking and flashing the modified image. The extent of improvement varies, with some users reporting a 25% reduction in power consumption in the graphics benchmark (4.2w->3.2w) after undervolting...
    Downloads: 53 This Week
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  • 15
    OpenJ9

    OpenJ9

    A Java Virtual Machine for OpenJDK

    ...Eclipse OpenJ9 is an independent implementation of a Java Virtual Machine. "Independent implementation" means it was built using the Java Virtual Machine specification without using any code from any other Java Virtual Machine. The OpenJ9 JVM combines with the Java Class libraries from OpenJDK to create a complete JDK tuned for footprint, performance, and reliability that is well suited for cloud deployments.
    Downloads: 6 This Week
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  • 16
    AudioBookConverter

    AudioBookConverter

    Improved AudioBookConverter based on freeipodsoftware release

    AudioBookConverter is a lightweight desktop application designed to convert and organize audiobook files into optimized formats such as M4B for playback on modern devices. It allows users to combine multiple audio files into a single audiobook while preserving chapters and metadata for seamless listening. The software supports a wide range of input formats including MP3, FLAC, and AAC, and provides flexible output options for different devices. It includes intelligent artwork handling,...
    Downloads: 78 This Week
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  • 17
    Jlama

    Jlama

    Jlama is a modern LLM inference engine for Java

    ...It provides tools for running chat interactions, completing prompts, or exposing an OpenAI-compatible REST API for applications that expect standard LLM endpoints. The project focuses on performance and portability by using native Java optimizations and the Java Vector API to accelerate inference workloads.
    Downloads: 8 This Week
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  • 18
    Lithium (for Fabric)

    Lithium (for Fabric)

    A Fabric mod designed to improve the general performance of Minecraft

    A general-purpose optimization mod for Minecraft, improving server and client performance.
    Downloads: 32 This Week
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  • 19
    Simple Binary Encoding (SBE)

    Simple Binary Encoding (SBE)

    Simple Binary Encoding (SBE) - High Performance Message Codec

    ...The Java SBE implementation has a dependency on Agrona for its buffer implementations.
    Downloads: 9 This Week
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  • 20
    Quarkus
    A Kubernetes Native Java stack tailored for OpenJDK HotSpot and GraalVM, crafted from the best-of-breed Java libraries and standards. Quarkus tailors your application for GraalVM and HotSpot. Amazingly fast boot time, incredibly low RSS memory (not just heap size!) offering near-instant scale-up and high-density memory utilization in container orchestration platforms like Kubernetes.
    Downloads: 14 This Week
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  • 21
    WorldEdit

    WorldEdit

    Minecraft map editor and mod

    ...WorldEdit can run in both single-player environments and multiplayer servers and is compatible with several modding platforms and server frameworks used in Minecraft Java Edition.
    Downloads: 33 This Week
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  • 22
    iText

    iText

    iText for Java represents the next level of SDKs for developers

    iText for Java represents the next level of SDKs for developers who want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit, and enhance PDF documents, iText can be a boon to nearly every workflow. iText Suite refers to the complete line of products comprising the open-source iText Core PDF library and its add-ons.
    Downloads: 18 This Week
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  • 23
    JDA

    JDA

    Java wrapper for the popular chat & VOIP service

    JDA strives to provide a clean and full wrapping of the Discord REST api and its Websocket-Events for Java. This library is a helpful tool that provides the functionality to create a discord bot in java. Discord is currently prohibiting the creation and usage of automated client accounts (AccountType.CLIENT). We have officially dropped support for client login as of version 4.2.0! Note that JDA is not a good tool to build a custom discord client as it loads all servers/guilds on startup, unlike a client which does this via lazy loading instead. ...
    Downloads: 22 This Week
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  • 24
    Eclipse JNoSQL

    Eclipse JNoSQL

    Eclipse JNoSQL is a framework

    Eclipse JNoSQL is a framework designed for Java developers to interact with NoSQL databases in a standardized way. It provides a unified API and supports various NoSQL database types, including document, key-value, column-family, and graph databases. JNoSQL integrates with Jakarta EE and MicroProfile, making it suitable for enterprise applications.
    Downloads: 9 This Week
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  • 25
    btrace

    btrace

    A safe, dynamic tracing tool for the Java platform

    A safe, dynamic tracing tool for the Java platform. BTrace can be used to dynamically trace a running Java program (similar to DTrace for OpenSolaris applications and OS). BTrace dynamically instruments the classes of the target application to inject tracing code ("bytecode tracing").
    Downloads: 5 This Week
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