Showing 10296 open source projects for "java web apps"

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  • 1
    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...
    Downloads: 6 This Week
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  • 2
    TJWS is an Open Source HTTP Server and Servlet container written in 100% Java. It's designed to be a light weight, high performing, secure, embeddable, extensible and flexible. Very small footprinted (~100K), CGI, J2EE/JSP compatible. Servlet spec 3.1
    Downloads: 2 This Week
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  • 3
    WGCLOUD

    WGCLOUD

    Visibility into servers, applications, and infrastructure

    WGCLOUD is a distributed operations and maintenance monitoring platform designed to provide comprehensive visibility into servers, applications, and infrastructure through a lightweight yet highly integrated architecture. Built on a Spring Boot microservices foundation with an agent-server model, the system emphasizes rapid deployment, minimal configuration overhead, and automated operation for large-scale environments. It collects extensive host metrics such as CPU usage, temperature,...
    Downloads: 4 This Week
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  • 4
    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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  • 5
    DevoxxGenie

    DevoxxGenie

    DevoxxGenie is a plugin for IntelliJ IDEA that uses local LLM's

    Devoxx Genie is a fully Java-based LLM Code Assistant plugin for IntelliJ IDEA, designed to integrate with local LLM providers such as Ollama, LMStudio, GPT4All, Llama.cpp, and Exo but also cloud-based LLMs such as OpenAI, Anthropic, Mistral, Groq, Gemini, DeepInfra, DeepSeek, OpenRouter and Azure OpenAI.
    Downloads: 2 This Week
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  • 6
    metasfresh

    metasfresh

    Fast, Flexible & Free Software to scale your Business

    metasfresh is a responsive, Free and Open Source ERP System. Our aim is to create fast and easy-to-use enterprise software with an outstanding user experience. Equipped with wide and detailed functionality, metasfresh fits for companies from industry and trade that are searching business software that provides high scalability and flexibility. It has a 3-tier architecture with Rest-API and a Web User Frontend developed in HTML5/ ReactJS/ Redux.
    Downloads: 2 This Week
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  • 7
    Standard Webhooks

    Standard Webhooks

    The Standard Webhooks specification

    ...It includes reference implementations for signature verification and signing across multiple languages such as Python, JavaScript/TypeScript, Go, Rust, Ruby, PHP, C#, Java, and Elixir, along with additional community SDKs. The initiative is guided by a technical steering committee with members from companies like Zapier, Twilio, Mux, ngrok, Supabase, Svix, and Kong. Standard Webhooks matters because it eliminates the fragmentation of webhook implementations, reducing consumer effort and enabling seamless verification in apps or even directly in API gateways. ...
    Downloads: 0 This Week
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  • 8
    GraphHopper Routing Engine

    GraphHopper Routing Engine

    Open source routing engine for OpenStreetMap

    ...GraphHopper is a fast and memory-efficient routing engine released under Apache License 2.0. It can be used as a Java library or standalone web server to calculate the distance, time, turn-by-turn instructions and many road attributes for a route between two or more points. Beyond this "A-to-B" routing it supports "snap to road", Isochrone calculation, mobile navigation and more.
    Downloads: 1 This Week
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  • 9
    Spring Data REST

    Spring Data REST

    Simplifies building hypermedia-driven REST web services

    Spring Data REST is part of the umbrella Spring Data project and makes it easy to build hypermedia-driven REST web services on top of Spring Data repositories. Spring Data REST builds on top of Spring Data repositories, analyzes your application’s domain model and exposes hypermedia-driven HTTP resources for aggregates contained in the model. Exposes a discoverable REST API for your domain model using HAL as media type. Exposes collection, item and association resources representing your...
    Downloads: 7 This Week
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  • 10
    Bank of Anthos

    Bank of Anthos

    Retail banking sample application showcasing Kubernetes

    Bank of Anthos is a sample HTTP-based web app that simulates a bank's payment processing network, allowing users to create artificial bank accounts and complete transactions. Google uses this application to demonstrate how developers can modernize enterprise applications using Google Cloud products, including: Google Kubernetes Engine (GKE), Anthos Service Mesh (ASM), Anthos Config Management (ACM), Migrate to Containers, Spring Cloud GCP, Cloud Operations, Cloud SQL, Cloud Build, and Cloud...
    Downloads: 6 This Week
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  • 11
    PULSAR

    PULSAR

    Distributed pub-sub messaging system

    Apache Pulsar is a cloud-native, distributed messaging and streaming platform originally created at Yahoo! and now a top-level Apache Software Foundation project. Easy to deploy, lightweight compute process, developer-friendly APIs, no need to run your own stream processing engine. Run in production at Yahoo! scale for over 5 years, with millions of messages per second across millions of topics. Expand capacity seamlessly to hundreds of nodes. Low publish latency (< 5ms) at scale with strong...
    Downloads: 7 This Week
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  • 12
    Central Authentication Service (CAS)

    Central Authentication Service (CAS)

    Identity & Single Sign On for all earthlings and beyond

    Welcome to the home of the Apereo Central Authentication Service project, more commonly referred to as CAS. CAS is an enterprise multilingual single sign-on solution and identity provider for the web and attempts to be a comprehensive platform for your authentication and authorization needs. CAS is an open and well-documented authentication protocol. The primary implementation of the protocol is an open-source Java server component by the same name hosted here, with support for a plethora of additional authentication protocols and features. ...
    Downloads: 5 This Week
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  • 13
    paicoding

    paicoding

    A user-friendly and powerful open source community

    paicoding is an open-source community platform built as a practical Java project for publishing and discovering technical content. Its stack includes Spring Boot, MyBatis-Plus, MySQL, Redis, Elasticsearch, MongoDB, RabbitMQ, and Docker. The application supports complete workflows for publishing, searching, commenting on, and measuring articles and tutorials. Its modular structure separates shared models, reusable components, business services, frontend resources, and web entry points. ...
    Downloads: 0 This Week
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  • 14
    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...
    Downloads: 0 This Week
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  • 15
    Spring Cloud Netflix

    Spring Cloud Netflix

    Integration with Netflix OSS components

    This project provides Netflix OSS integrations for Spring Boot apps through autoconfiguration and binding to the Spring Environment and other Spring programming model idioms. With a few simple annotations you can quickly enable and configure the common patterns inside your application and build large distributed systems with battle-tested Netflix components. The patterns provided include Service Discovery (Eureka), Circuit Breaker (Hystrix), Intelligent Routing (Zuul) and Client Side Load...
    Downloads: 0 This Week
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  • 16
    HTTP Kit

    HTTP Kit

    Clojure HTTP server/client library with WebSocket support

    http-kit is a minimalist, event-driven, high-performance Clojure HTTP server/client library with WebSocket and asynchronous support. A simple, high-performance event-driven HTTP client+server for Clojure. HTTP Kit is an (almost) drop-in replacement for the standard Ring Jetty adapter. So you can use it with all your current libraries (e.g. Compojure) and middleware. Using an event-driven architecture like Nginx, HTTP-kit is very, very fast. It comfortably handles tens of thousands of...
    Downloads: 6 This Week
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  • 17
    Swarmpit

    Swarmpit

    Lightweight mobile-friendly Docker Swarm management UI

    Swarmpit is an open-source, self-hosted web dashboard that simplifies Docker Swarm cluster operations. It offers management of stacks, services, secrets, volumes, networks, and allows secure team access. It visualizes real-time CPU/memory/disk metrics, supports private registry integration, and streamlines deployment flows. The interface is mobile-friendly and privacy-focused—collecting no telemetry.
    Downloads: 3 This Week
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  • 18
    Kubernetes plugin for Jenkins

    Kubernetes plugin for Jenkins

    Jenkins plugin to run dynamic agents in a Kubernetes environment

    Jenkins plugin to run dynamic agents in a Kubernetes cluster. Based on the Scaling Docker with Kubernetes article, automates the scaling of Jenkins agents running in Kubernetes. The plugin creates a Kubernetes Pod for each agent started and stops it after each build. Agents are launched as inbound agents, so it is expected that the container connects automatically to the Jenkins controller.
    Downloads: 3 This Week
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  • 19
    uCrop

    uCrop

    Image cropping library for Android

    We develop lots of different Android apps at Yalantis, and our experience shows that almost every application we deal with needs image cropping functionality. Image cropping can be used for various purposes, from ordinary adjustment of user profile images to more complex features that involve aspect ratio cropping and flexible image transformations. Since we want to provide all our customers with the best set of tools for image editing functionality, we decided to create uCrop, an image...
    Downloads: 1 This Week
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  • 20
    Luck Perms

    Luck Perms

    A permissions plugin for Minecraft servers

    LuckPerms is a widely used open-source permissions management plugin for Minecraft servers that allows administrators to control what actions players can perform within the game. The plugin provides a flexible system for creating user groups, assigning permissions, and defining roles that determine access to commands, features, and gameplay mechanics. Designed for performance and scalability, LuckPerms can handle large multiplayer servers and complex permission hierarchies while maintaining...
    Downloads: 2 This Week
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  • 21
    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: 21 This Week
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  • 22
    Spring Batch

    Spring Batch

    Spring Batch is a framework for writing batch applications using Java

    A lightweight, comprehensive batch framework designed to enable the development of robust batch applications vital for the daily operations of enterprise systems. Spring Batch provides reusable functions that are essential in processing large volumes of records, including logging/tracing, transaction management, job processing statistics, job restart, skip, and resource management. It also provides more advanced technical services and features that will enable extremely high-volume and high...
    Downloads: 2 This Week
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  • 23
    Orion Visor

    Orion Visor

    A high-value, modern automated operation and maintenance

    Orion Visor is a modern operations and lightweight bastion host platform for managing Linux and Windows systems. It provides centralized asset management so teams can organize hosts, identities, keys, and authorization rules in one interface. The platform supports multiple remote access methods, including SSH, SFTP, RDP, and VNC, which makes it useful for mixed infrastructure environments. It also includes online terminals, file management, batch command execution, multi-host file...
    Downloads: 6 This Week
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  • 24
    JBake

    JBake

    Java based open source static site/blog generator for developers

    JBake is a Java-based, open source, static site/blog generator for developers & designers. The project uses Gradle 4.9+ as the build system. We configured the gradle check style Plugin to run with the check task. It does not break the build if convention violations are found. But prints a warning and generates a report. Source available on GitHub, licensed under MIT License. Binary distribution contains everything you need apart from a JRE, with no complicated environment setup with 3rd...
    Downloads: 0 This Week
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  • 25
    Web Spider, Web Crawler, Email Extractor

    Web Spider, Web Crawler, Email Extractor

    Free Extracts Emails, Phones and custom text from Web using JAVA Regex

    In Files there is WebCrawlerMySQL.jar which supports MySql Connection Free Web Spider & Crawler. Extracts Information from Web by parsing millions of pages. Store data into Derby Database and data are not being lost after force closing the spider. - Free Web Spider , Parser, Extractor, Crawler - Extraction of Emails , Phones and Custom Text from Web - Export to Excel File - Data Saved into Derby and MySQL Database - Written in Java Cross Platform Also See Free email Sender : https://sourceforge.net/projects/gitst-free-email-ender/ Please install Microsoft OpenJDK to start the application https://www.microsoft.com/openjdk
    Downloads: 2 This Week
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