Showing 5427 open source projects for "java open source projects"

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  • 1
    YAO

    YAO

    Yao A low code engine to create web services and dashboard

    Yao allows developers to create web services by processes. Yao is a low-code engine that creates a database model, writes API services, and describes dashboard interface just by JSON for web & hardware, no code, and 10x productivity. Yao is based on the flow-based programming idea, developed in the Go language, and supports multiple ways to expand the data stream processor. This makes Yao extremely versatile, which can replace programming languages ​​in most scenarios, and is 10 times more...
    Downloads: 51 This Week
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  • 2
    DataHub

    DataHub

    The Metadata Platform for your Data and AI Stack

    DataHub is an open source metadata platform that helps organizations discover, understand, and trust their data assets at scale. It models data as a richly connected graph spanning datasets, dashboards, pipelines, ML features, and services, so users can explore relationships like lineage and ownership across tools and domains. The platform focuses on continuous metadata ingestion from many sources, treating metadata as a stream that stays fresh as systems change. A modern web UI and search...
    Downloads: 8 This Week
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  • 3
    Traq

    Traq

    Project management and issue tracking system written in PHP

    Traq is a PHP-powered project management and issue-tracking system designed for multi-project and milestone-driven workflows. It supports email notifications, custom fields, and per-project permissions. Ideal for teams wanting a simple, self-hosted tool, it runs on PHP 8.1+ with MariaDB/MySQL
    Downloads: 0 This Week
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  • 4
    4gaBoards

    4gaBoards

    Straightforward realtime kanban boards management

    4ga Boards is a self-hosted, real-time Kanban-style project management tool created by RARgames, designed to be straightforward, visually appealing, and collaboration-friendly. Built with React, Redux, Sails.js, and PostgreSQL, it supports dark mode, multitasking shortcuts, and Docker/Kubernetes deployment, making it ideal for teams who want a clean and efficient task-tracking experience
    Downloads: 0 This Week
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    Siddhi Core Libraries

    Siddhi Core Libraries

    Stream Processing and Complex Event Processing Engine

    Fully open source, cloud-native, scalable, micro streaming, and complex event processing system capable of building event-driven applications for use cases such as real-time analytics, data integration, notification management, and adaptive decision-making. Event processing logic can be written using Streaming SQL queries via graphical and source editors, to capture events from diverse data sources, process and analyze them, integrate with multiple services and data stores, and publish output to various endpoints in real time. ...
    Downloads: 1 This Week
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  • 6
    RStudio

    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...
    Downloads: 49 This Week
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  • 7
    Vespa

    Vespa

    The open big data serving engine

    Make AI-driven decisions using your data, in real-time. At any scale, with unbeatable performance. Vespa is a full-featured text search engine and supports both regular text search and fast approximate vector search (ANN). This makes it easy to create high-performing search applications at any scale, whether you want to use traditional techniques or a modern vector-based approach. You can even combine both approaches efficiently in the same query, something no other engine can do....
    Downloads: 9 This Week
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  • 8
    Seata

    Seata

    An easy-to-use, high-performance distributed transaction solution

    Seata, or Simple Extensible Autonomous Transaction Architecture is an open source distributed transaction solution that brings high performance and easy-to-use distributed transaction services under a microservices architecture. It has 3 basic components: a Transaction Coordinator for maintaining the status of global and branch transactions; a Transaction Manager that defines the scope of global transaction; and a Resource Manager that manages resources being worked on by branch...
    Downloads: 3 This Week
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  • 9
    FFTW.jl

    FFTW.jl

    Julia bindings to the FFTW library for fast Fourier transforms

    This package provides Julia bindings to the FFTW library for fast Fourier transforms (FFTs), as well as functionality useful for signal processing. These functions were formerly a part of Base Julia. Users with a build of Julia based on Intel's Math Kernel Library (MKL) can use MKL for FFTs by setting a preference in their top-level project by either using the FFTW.set_provider!() method, or by directly setting the preference using Preferences.jl. Note that this choice will be recorded for...
    Downloads: 1 This Week
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  • 10
    Semantic Type Detection

    Semantic Type Detection

    Metadata/data identification Java library

    Metadata/data identification Java library. Identifies Base Type (e.g. Boolean, Double, Long, String, LocalDate, LocalTime, ...) and Semantic Type information (e.g. Gender, Age, Color, Country, ...). Extensive country/language support. Extensible via user-defined plugins. Comprehensive Profiling support. Large set of built-in Semantic Types (extensible via JSON defined plugins). Extensive Profiling metrics (e.g. Min, Max, Distinct, signatures, …) Sufficiently fast to be used inline. See Speed...
    Downloads: 2 This Week
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  • 11
    Apache RocketMQ

    Apache RocketMQ

    Distributed messaging and streaming platform with low latency

    Apache RocketMQ is a distributed messaging and streaming platform with low latency, high performance and reliability, trillion-level capacity and flexible scalability. Messaging patterns including publish/subscribe, request/reply and streaming. Financial grade transactional message. Built-in fault tolerance and high availability configuration options base on DLedger. A variety of cross language clients, such as Java, C/C++, Python, Go. Pluggable transport protocols, such as TCP, SSL, AIO....
    Downloads: 2 This Week
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  • 12
    Genie

    Genie

    Distributed Big Data Orchestration Service

    Genie is a completely open source distributed job orchestration engine developed by Netflix. Genie provides REST-ful APIs to run a variety of big data jobs like Hadoop, Pig, Hive, Spark, Presto, Sqoop and more. It also provides APIs for managing the metadata of many distributed processing clusters and the commands and applications which run on them.
    Downloads: 1 This Week
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  • 13
    ECharts

    ECharts

    A powerful, interactive charting and visualization library for browser

    ECharts is a free and open source charting and visualization library that gives you an easy way to add interactive, intuitive, custom charts to your commercial products, projects, presentations and more. It offers a rich set of features that includes rendering ability for ten-million-level data, Wechart and Powerpoint support, multi-dimension data analysis, and more.
    Downloads: 0 This Week
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  • 14
    Apache Polaris

    Apache Polaris

    Apache Polaris, the interoperable, open source catalog

    Apache Polaris is an open-source metadata catalog and data management service designed to manage Apache Iceberg tables in modern data lakehouse environments. It provides a centralized catalog that allows multiple compute engines and analytics systems to interact with the same datasets through a standardized interface. By implementing the Iceberg REST catalog API, Polaris enables distributed data platforms to access shared table metadata without tightly coupling storage systems and query...
    Downloads: 3 This Week
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  • 15
    XXL-JOB

    XXL-JOB

    A distributed task scheduling framework

    XXL-JOB is a distributed task scheduling platform for managing and executing jobs in Java-based applications. Designed for scalability and ease of use, it provides a powerful web interface for task definition, monitoring, and execution. XXL-JOB supports various scheduling strategies, distributed execution, failover, and script-based job execution. It is widely adopted in enterprise systems for background task orchestration and automation.
    Downloads: 0 This Week
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  • 16
    Kimai

    Kimai

    Kimai is a web-based multi-user time-tracking application

    Kimai is an open-source time-tracking solution. It tracks work time and prints out a summary of your activities on demand. Yearly, monthly, daily, by the customer, by the project. Its simplicity is its strength. Due to Kimai’s browser-based interface, it runs cross-platform, even on your mobile device. With Kimai, the boring process of feeding Excel spreadsheets with your working hours is not only simplified, it also offers dozens of other exciting features that you don't even know you're...
    Downloads: 3 This Week
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  • 17
    Frankfurter

    Frankfurter

    Currency data API

    Frankfurter is an open-source currency exchange rate API that provides reliable financial data based on reference rates from institutional sources such as the European Central Bank. It is designed to be simple, transparent, and free to use, with no API key requirements or usage limits, making it particularly attractive for developers and small projects.
    Downloads: 0 This Week
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  • 18
    Gource

    Gource

    Software version control visualization

    Software projects are displayed by Gource as an animated tree with the root directory of the project at its centre. Directories appear as branches with files as leaves. Developers can be seen working on the tree at the times they contributed to the project. Gource includes built-in log generation support for Git, Mercurial, Bazaar and SVN. Gource can also parse logs produced by several third party tools for CVS repositories. Gource is a visualization tool for source control repositories. The...
    Downloads: 2 This Week
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  • 19
    IoTDB

    IoTDB

    Apache IoTDB

    Apache IoTDB (Database for Internet of Things) is an IoT native database with high performance for data management and analysis, deployable on the edge and the cloud. Due to its light-weight architecture, high performance and rich feature set together with its deep integration with Apache Hadoop, Spark and Flink, Apache IoTDB can meet the requirements of massive data storage, high-speed data ingestion and complex data analysis in the IoT industrial fields. In the scene of factories, there...
    Downloads: 10 This Week
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  • 20
    AWS Data Wrangler

    AWS Data Wrangler

    Pandas on AWS, easy integration with Athena, Glue, Redshift, etc.

    ...Built on top of other open-source projects like Pandas, Apache Arrow and Boto3, it offers abstracted functions to execute usual ETL tasks like load/unload data from Data Lakes, Data Warehouses, and Databases. Convert the column name to be compatible with Amazon Athena and the AWS Glue Catalog. Run a query against AWS CloudWatchLogs Insights and convert the results to Pandas DataFrame.
    Downloads: 1 This Week
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  • 21
    AAChartKit Swift

    AAChartKit Swift

    An elegant modern declarative data visualization chart framework

    ...AAInfographics is the Swift language version of AAChartKit which is object-oriented, a set of easy-to-use, extremely elegant graphics drawing controls,based on the popular open source front-end chart library Highcharts. It makes it very fast to add interactive charts to your mobile projects. It supports single touch-drag for data inspection, multi-touch for zooming, and advanced responsiveness for your apps. Unlike previous imperative programming techniques, drawing any custom chart in AAChartKit, you don't need to care about the inner implementation details which is annoying && boring. ...
    Downloads: 1 This Week
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  • 22
    Alluxio

    Alluxio

    Open Source Data Orchestration for the Cloud

    Alluxio is the world’s first open source data orchestration technology for analytics and AI for the cloud. It bridges the gap between computation frameworks and storage systems, bringing data from the storage tier closer to the data driven applications. This enables applications to connect to numerous storage systems through a common interface. It makes data local, more accessible and as elastic as compute.
    Downloads: 0 This Week
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  • 23
    PassKit PHP SDK

    PassKit PHP SDK

    PHP SDK for Apple Wallet and Google Pay Membership, Loyalty, etc.

    Golang SDK for Apple Wallet and Google Pay membership, loyalty, event tickets, access cards, coupons & flights. Use the PassKit PHP gRPC SDK to issue and manage Apple Wallet and Google Pay Passes from your PHP application. Simply request your SDK credentials from the PassKit Portal. You will receive an email with your credentials on your registered email address. Follow the instructions in the email to decrypt key.pem, and then copy the .pem files into your project (in this project & for the...
    Downloads: 0 This Week
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  • 24
    XState

    XState

    State machines and statecharts for the modern web

    JavaScript and TypeScript finite state machines and statecharts for the modern web. Statecharts are a formalism for modeling stateful, reactive systems. This is useful for declaratively describing the behavior of your application, from the individual components to the overall application logic. XState is a library for creating, interpreting, and executing finite state machines and statecharts, as well as managing invocations of those machines as actors. The following fundamental computer...
    Downloads: 0 This Week
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  • 25
    Dolphin Scheduler

    Dolphin Scheduler

    A distributed and extensible workflow scheduler platform

    Apache DolphinScheduler is a distributed and extensible workflow scheduler platform with powerful DAG visual interfaces, dedicated to solving complex job dependencies in the data pipeline and providing various types of jobs available `out of the box`. Dedicated to solving the complex task dependencies in data processing, making the scheduler system out of the box for data processing. Decentralized multi-master and multi-worker, HA is supported by itself, overload processing. All process...
    Downloads: 2 This Week
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