Showing 12557 open source projects for "java open source"

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  • Point of Sale. Powerful and Simple. Icon
    Point of Sale. Powerful and Simple.

    For retail store owners and multi-location retail operations needing a tool to manage sales, inventory, staff and channels in one place

    Vibe Retail is an all-in-one retail point-of-sale and operations platform built for single-store and multi-location retailers seeking to unify inventory, sales, staff and customer data from one mobile-friendly interface. The system lets you track inventory across locations and warehouses, handle item variations (size, color, material), manage purchase orders and supplier deliveries, print custom barcodes, and transfer stock between stores in real time. On the sales side, Vibe supports multiple payment types (cards, cash, checks, gift cards, EBT), layaway workflows, serial number tracking, delivery management, loyalty programs and branded receipts. Retailers can integrate with online platforms (such as Shopify and WooCommerce), sync in-store and online sales, access 40+ real-time reports on sales, inventory and performance, set up promotions and discounts, and print receipts from mobile devices.
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  • Save up to 90% off rates for USPS, UPS, DHL Express, and more with the best multi-carrier shipping software for e-commerce businesses. Icon
    Save up to 90% off rates for USPS, UPS, DHL Express, and more with the best multi-carrier shipping software for e-commerce businesses.

    For Small / Medium E-Commerce Businesses

    Whether you're established or just getting started, Shippo is the best shipping software for growing e-commerce brands that need to save time and money, fulfill and ship at scale, and delight customers. Create shipping labels for all carriers & save money with discounted rates. See all your online sales channels in one place and automatically access discounted USPS and DHL Express rates, or use your own carrier accounts. Sign up is free and there are no monthly fees or cancellation fees.
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  • 1
    guide-rpc-framework

    guide-rpc-framework

    A custom RPC framework implemented by Netty+Kyro+Zookeeper

    The guide-rpc-framework is a Java implementation of a Remote Procedure Call (RPC) framework built on Netty, Kyro (for serialization), and Zookeeper (for service discovery and coordination). It’s aimed primarily at learners and practitioners of distributed systems who want to see how you might build an RPC system from first principles rather than just use an existing library. The project provides code for client-side stubs, server-side skeletons, method dispatching, serialization, load...
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  • 2
    Amazon Neptune SigV4 Signer

    Amazon Neptune SigV4 Signer

    A library for Amazon Neptune that enables AWS Signature Version

    A library for sending AWS Signature Version 4 signed requests over HTTP to Amazon Neptune. This package provides signers that can be used with various implementations of HttpRequests. AWS Identity and Access Management (IAM) is an AWS service that helps an administrator securely control access to AWS resources. IAM administrators control who can be authenticated (signed in) and authorized (have permissions) to use Neptune resources. IAM is an AWS service that you can use with no additional...
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  • 3
    CloudReader

    CloudReader

    A netease cloud music based UI

    A netease cloud music-based UI, using wanandroid API development accord with Google Material Desgin reading class open-source projects. Kotlin && Netease cloud music Ui && Retrofit2 + RxJava2 + Room + MVVM-databinding && Wanandroid API. NetEase Cloud Music was officially released on April 23, 2013. It is an online music product that focuses on discovery and sharing and has a strong social use. I believe that everyone who has used it will know that the experience it gives is excellent. ...
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  • 4
    Spring Statemachine

    Spring Statemachine

    Framework for application developers to use state machine concepts

    The Spring Statemachine project aims to provide a common infrastructure to work with state machine concepts in Spring applications. It is advised to check the actual state of this project by referring to the latest releases found on the Spring Statemachine Project Page. The git repo default branch may be relatively unstable when new features are added to the source code. Spring Statemachine uses a Gradle-based build system. In the instructions below, ./gradlew is invoked from the root of the...
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  • Your go-to FinOps platform Icon
    Your go-to FinOps platform

    Analyze, optimize, and govern your multi-cloud environment effortlessly with AI Agentic FinOps.

    Unlike reporting-only FinOps tools, FinOpsly unifies cloud (AWS, Azure, GCP), data (Snowflake, Databricks, BigQuery), and AI costs into a single system of action — enabling teams to plan spend before it happens, automate optimization safely, and prove value in weeks, not quarters.
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  • 5
    Toaster Frame

    Toaster Frame

    Android toast frame, dedicated to treating various difficult problems

    Toaster is a lightweight Android utility library that enhances and standardizes toast message behavior across different devices and OS versions. The project addresses inconsistencies in native Android toast implementations by providing a more reliable and customizable messaging experience. It focuses on ensuring that toast notifications display correctly even on heavily customized Android skins. The library is designed for easy integration, allowing developers to replace default toast usage...
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  • 6
    Spring Cloud Config Server

    Spring Cloud Config Server

    External configuration (server and client) for Spring Cloud

    Spring Cloud Config provides server-side and client-side support for externalized configuration in a distributed system. With the Config Server, you have a central place to manage external properties for applications across all environments. The concepts on both client and server map identically to the Spring Environment and PropertySource abstractions, so they fit very well with Spring applications but can be used with any application running in any language. As an application moves through...
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  • 7
    jasypt-spring-boot

    jasypt-spring-boot

    Jasypt integration for Spring boot

    Jasypt Spring Boot provides Encryption support for property sources in Spring Boot Applications. There are 3 ways to integrate just-spring-boot in your project. And encryptable properties will be enabled across the entire Spring Environment (This means any system property, environment property, command line argument, application.properties, yaml properties, and any other custom property sources can contain encrypted properties) Jasypt uses an StringEncryptor to decrypt properties. For all 3...
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  • 8
    Flutter Location

    Flutter Location

    A Flutter plugin to easily handle realtime location in iOS and Android

    A simple way to get the user's location without thinking about permission. This library aims at providing you with a simple way to get the user location without thinking about permission. It's also heavily configurable so you can easily get better performance or better battery. It currently supports Android, iOS, macOS and Web. Support for the remaining platforms is incoming.
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  • 9
    PRDownloader

    PRDownloader

    A file downloader library for Android with pause and resume support

    A file downloader library for Android with pause and resume support. PRDownloader can be used to download any type of files like image, video, pdf, apk and etc. This file downloader library supports pause and resume while downloading a file. Supports large file download. This downloader library has a simple interface to make download request. We can check if the status of downloading with the given download Id. PRDownloader gives callbacks for everything like onProgress, onCancel, onStart,...
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  • Solve Your Real-world Business Challenges From A Single Timesheet With Powerful Built In Integration Icon
    Solve Your Real-world Business Challenges From A Single Timesheet With Powerful Built In Integration

    Timecontrol Is Your Multipurpose Timesheet Software

    TimeControl is a multi-purpose timesheet system designed to serve both Finance and Project Management. TimeControl has been designed to serve many purposes simultaneously. TimeControl tracks time on a task-by-task, project-by-project basis. Yet, despite its project-based controls, it remains a financial timesheet with all the controls necessary to fulfill the stringent needs of payroll, human resources, billing and finance. TimeControl is available both for subscription in the cloud or for purchase for an on premise installation and includes both a browser interface and the free TimeControl Mobile App for iOS and Android devices.
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  • 10
    AmazonMSK AWS Identity Access Management

    AmazonMSK AWS Identity Access Management

    Use AWS Identity and (IAM) to connect to Amazon Managed Streaming

    The Amazon MSK Library for AWS Identity and Access Management enables developers to use AWS Identity and Access Management (IAM) to connect to their Amazon Managed Streaming for Apache Kafka (Amazon MSK) clusters. It allows JVM-based Apache Kafka clients to use AWS IAM for authentication and authorization against Amazon MSK clusters that have AWS IAM enabled as an authentication mechanism. This library provides a new Simple Authentication and Security Layer (SASL) mechanism called...
    Downloads: 1 This Week
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  • 11
    KOOM

    KOOM

    KOOM is an OOM killer on mobile platform by Kwai

    KOOM creates a mobile high-performance online memory monitoring solution, which supplies a detailed report when OOM-related problems are detected and has solved a large number of OOM issues in the Kwai application. It's currently available on Android. With the increasing complexity of mobile terminal business logic and the gradual popularity of scenarios with high memory requirements such as 4K codec and AR magic watch, the OOM problem has become the number one problem in the stability...
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  • 12
    Stipple Effect

    Stipple Effect

    Stipple Effect is a pixel art editor that supports animation

    Stipple Effect is a cross-platform pixel art editor that emphasizes scripting and automation. It offers standard raster graphics editing features alongside tools specifically designed for pixel art creation, making it suitable for game developers and digital artists. Its scripting capabilities allow for efficient batch operations and workflow customization.
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  • 13
    Discord4J

    Discord4J

    Reactive library to enable quick and easy development of bots

    Discord4J is a fast, powerful, unopinionated, reactive library to enable quick and easy development of Discord bots for Java, Kotlin, and other JVM languages using the official Discord Bot API. Discord4J follows the reactive-streams protocol to ensure Discord bots run smoothly and efficiently regardless of size. Automatic rate-limiting, automatic reconnection strategies, and consistent naming conventions are among the many features Discord4J offers to ensure your Discord bots run-up to...
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  • 14
    Fresco

    Fresco

    An Android library for managing images and the memory they use

    Fresco’s image pipeline will load images from the network, local storage, or local resources. To save data and CPU, it has three levels of cache; two in memory and another in internal storage. Fresco’s Drawee shows a placeholder for you until the image has loaded and then automatically shows the image when it arrives. When the image goes off-screen, it automatically releases its memory. A decompressed image - an Android Bitmap - takes up a lot of memory. This leads to more frequent runs of...
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  • 15
    XXL-SSO

    XXL-SSO

    A distributed single-sign-on framework

    XXL-SSO is a distributed single sign-on (SSO) system designed to provide centralized authentication and authorization across multiple applications and services. It enables users to log in once and gain access to various systems without needing to reauthenticate, improving both user experience and security. The project is built with scalability in mind, supporting distributed environments where multiple services need to share identity information. It likely includes token-based authentication...
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  • 16
    Spring Cloud Kubernetes

    Spring Cloud Kubernetes

    Kubernetes integration with Spring Cloud Discovery Client

    Spring Cloud Kubernetes provides implementations of well known Spring Cloud interfaces allowing developers to build and run Spring Cloud applications on Kubernetes. While this project may be useful to you when building a cloud native application, it is also not a requirement in order to deploy a Spring Boot app on Kubernetes. If you are just getting started in your journey to running your Spring Boot app on Kubernetes you can accomplish a lot with nothing more than a basic Spring Boot app...
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  • 17
    Apache Avro

    Apache Avro

    Apache Avro is a data serialization system

    Apache Avro™ is a data serialization system. Simple integration with dynamic languages. Code generation is not required to read or write data files nor to use or implement RPC protocols. Code generation is an optional optimization, is only worth implementing for statically typed languages. Avro relies on schemas. When Avro data is read, the schema used when writing it is always present. This permits each datum to be written with no per-value overheads, making serialization both fast and...
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  • 18
    SmartRefreshLayout

    SmartRefreshLayout

    Refresh layout framework

    SmartRefreshLayout's goal is to build a strong, stable and mature pull-down refresh layout framework, and to integrate all kinds of cool, diverse, practical and beautiful Headers and Footers. Support synchronous scrolling with ListView and NestedScrolling with CoordinatorLayout. Support automatically refresh, automatically pull-up loading (automatically detect list inertance and scroll to the bottom without having to manually pull). Support customizing rebound animation interpolator, to...
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  • 19
    Facebook SDK for Android

    Facebook SDK for Android

    Used to integrate Android apps with Facebook Platform

    This open-source library allows you to integrate Facebook into your Android app. Integrate your Android app with Facebook to build engaging social apps by using the Facebook SDK for Android. To learn more about using Facebook development tools. The current version of the Facebook SDK for Android is version 11.2.0 and requires the Android API 15.
    Downloads: 4 This Week
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  • 20
    COLA

    COLA

    Clean object-oriented & layered architecture

    COLA is the abbreviation of Clean Object-Oriented and Layered Architecture, which stands for "Clean Object-Oriented and Layered Architecture." At present, COLA has developed to COLA 4.0. COLA is divided into two parts, COLA architecture and COLA components. The meaning of architecture is the structure of elements. The COLA architecture was born for this purpose, and its core responsibility is to define a good application structure and provide the best practice of the best application...
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  • 21
    Cheshire

    Cheshire

    Clojure JSON and JSON SMILE (binary json format) encoding/decoding

    Cheshire is a high-performance JSON encoding and decoding library for Clojure, built atop Jackson to combine fast parsing/generation with advanced support for types like Dates, UUIDs, Sets, Symbols, and the binary JSON SMILE format. Custom encoding is supported from 2.0.0 and up if you encounter a bug, please open a GitHub issue. From 5.0.0 onwards, custom encoding has been moved to be part of the core namespace (not requiring a namespace change). Custom and Core encoding have been combined...
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  • 22
    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...
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  • 23
    Cerberus Testing

    Cerberus Testing

    The Open Source Test Automation Platform

    Cerberus Testing is a scalable test automation platform for teams searching to accelerate software delivery with confidence. Cerberus Testing is a test automation platform that allows iteration with quality and speed through test definition, execution, and reporting. The platform allows the creation of automated test cases through an easy-to-use web interface without any need for development skills - automated test implementation and management now become available for all elements of the...
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  • 24
    Gitember 2

    Gitember 2

    Gitember another git GUI client written on javafx

    November, December, Gitember. Just another GIT gui client just for fun. Full-text search across history, including binary files. Search in open files. Add change annotation, and branch differences with item details. Add an overview for different components. Added LFS support. With SSH only. Fast file compare, the text flow changed to rich text fx. Mass operations - delete, stage, unstage, and revert.
    Downloads: 1 This Week
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  • 25
    Android Interview Questions

    Android Interview Questions

    Your Cheat Sheet For Android Interview

    This repository is a comprehensive study guide for Android interviews, organized to cover the platform from fundamentals to advanced topics. It includes explanations and Q&A on the Android app lifecycle, activities and fragments, services, broadcast receivers, content providers, and the build system. Modern practices are addressed as well—Kotlin language features, coroutines, Jetpack components, MVVM/MVI architecture, dependency injection, and testing strategies. Performance and reliability...
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