Showing 3842 open source projects for "java open source projects"

View related business solutions
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • Ship Agents Faster Icon
    Ship Agents Faster

    Transform your applications and workflows into powerful agentic systems at global scale.

    Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
    Get Started Free
  • 1
    Corosync Cluster Engine

    Corosync Cluster Engine

    The Corosync Cluster Engine

    The Corosync Cluster Engine is a Group Communication System with additional features for implementing high availability within applications. The project provides four C application programming interface features. A closed process group communication model with extended virtual synchrony guarantees for creation of replicated state machines. A simple availability manager that restarts the application process when it has failed. A configuration and statistics in-memory database that provides...
    Downloads: 2 This Week
    Last Update:
    See Project
  • 2
    Files.md

    Files.md

    Private, quiet space for thinking. A simple app for your .md files

    files.md is a local-first Markdown workspace for notes, documents, journals, projects, checklists, and tasks. It is designed around the idea that personal knowledge should remain in plain .md files instead of being locked inside a complex database or proprietary note format. The app works in the browser, can run offline, and keeps files on the user’s device unless a chosen sync option is configured. It favors simplicity over feature overload, encouraging users to think, write, connect ideas,...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 3
    retro-go

    retro-go

    Retro emulation for the ODROID-GO and other ESP32 devices

    retro-go is a lightweight, embedded-focused emulator frontend and launcher designed specifically for microcontroller-based handheld devices, particularly those built on ESP32 hardware. It integrates multiple classic console emulators into a single unified interface, enabling portable retro gaming on low-power devices with limited memory and processing capabilities. The project emphasizes efficiency and optimization, adapting emulation cores to run within the strict constraints of embedded...
    Downloads: 3 This Week
    Last Update:
    See Project
  • 4
    PhantomBot

    PhantomBot

    PhantomBot is an actively developed open source interactive Twitch bot

    PhantomBot is an actively developed open source interactive Twitch bot with a vibrant community that provides entertainment and moderation for your channel, allowing you to focus on what matters the most to you, your game and your viewers. PhantomBot is a Twitch chat bot powered by Java. PhantomBot has many modern features out of the box such as a built-in webpanel, enhanced moderation, games, a point system, raffles, custom commands, a music player, and more. ...
    Downloads: 2 This Week
    Last Update:
    See Project
  • $300 Free Credits for Your Google Cloud Projects Icon
    $300 Free Credits for Your Google Cloud Projects

    Start building on Google Cloud with $300 in free credits. No commitment, no credit card required until you're ready to scale.

    Launch your next project with $300 in free Google Cloud credits—no strings attached. Test, build, and deploy without risk. Use your credits across the entire Google Cloud platform to find what works best for your needs. After your credits are used, continue with always-free tier services. Only pay when you're ready to scale. Sign up in minutes and start exploring.
    Start Free Trial
  • 5
    WireMock

    WireMock

    A tool for mocking HTTP services

    HTTP response stubbing, matchable on URL, header and body content patterns. Request verification, runs in unit tests, as a standalone process or as a WAR app. Configurable via a fluent Java API, JSON files and JSON over HTTP. Record/playback of stubs, fault injection, per-request conditional proxying, browser proxying for request inspection and replacement. Stateful behavior simulation and configurable response delays. Mock your APIs for fast, robust and comprehensive testing. WireMock is a...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 6
    Ruoyi-Vue-Pro
    RuoYi-Vue-Pro is an enterprise-level, full-stack admin management system based on Spring Boot and Vue 3. It features a modular architecture with RBAC permissions, multi-tenant support, workflow engine integration, monitoring, logging, and microservice compatibility. Built for scalability and maintainability, it’s designed for Chinese-speaking developers building robust backend management systems, and includes tools for user, role, and permission management, data visualization, and more.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 7
    Arduino FOC

    Arduino FOC

    Arduino FOC for BLDC and Stepper motors

    We live in very exciting times 😃! BLDC motors are entering the hobby community more and more and many great projects have already emerged leveraging their far superior dynamics and power capabilities. BLDC motors have numerous advantages over regular DC motors but they have one big disadvantage, the complexity of control. Even though it has become relatively easy to design and manufacture PCBs and create our own hardware solutions for driving BLDC motors the proper low-cost solutions are yet...
    Downloads: 4 This Week
    Last Update:
    See Project
  • 8
    Apache HertzBeat

    Apache HertzBeat

    Apache HertzBeat(incubating) is a real-time monitoring system

    Apache HertzBeat (incubating) is an easy-to-use, open source, real-time monitoring system with an agentless, high-performance cluster, Prometheus-compatible, and offers powerful custom monitoring and status page building capabilities. Hertzbeat is an open-source monitoring and alerting platform for IT infrastructure, including servers, networks, and applications.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    LakeSoul

    LakeSoul

    An end-to-end, realtime and cloud native Lakehouse framework

    LakeSoul is a high-performance, unified table storage framework for big data lakes, supporting both streaming and batch data in a single format. Built on top of Apache Spark and leveraging Apache Arrow and Parquet, LakeSoul provides ACID transactions, schema evolution, and time travel. It is designed for large-scale data lake architectures that require consistency, efficiency, and easy integration with modern data stacks.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 99.99% Uptime for MySQL and PostgreSQL Databases Icon
    99.99% Uptime for MySQL and PostgreSQL Databases

    Sub-second maintenance. 2x read/write performance. Built-in vector search for AI apps.

    Cloud SQL Enterprise Plus delivers near-zero downtime with 35 days of point-in-time recovery. Supports MySQL, PostgreSQL, and SQL Server.
    Try Free
  • 10
    Apache HBase

    Apache HBase

    Get random, realtime read/write access to your Big Data

    Use Apache HBase™ when you need random, realtime read/write access to your Big Data. This project's goal is the hosting of very large tables, billions of rows X millions of columns, atop clusters of commodity hardware. Apache HBase is an open-source, distributed, versioned, non-relational database modeled after Google's Bigtable. A Distributed Storage System for Structured Data by Chang et al. Just as Bigtable leverages the distributed data storage provided by the Google File System, Apache...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 11
    Matchbox

    Matchbox

    Painless peer-to-peer WebRTC networking for rust wasm

    Matchbox is a WebRTC-based networking library for the Bevy game engine, enabling multiplayer games to run in the browser or native environments with peer-to-peer communication. It handles matchmaking, NAT traversal, and synchronization in real-time, making it easier for game developers to add fast and scalable multiplayer features. Designed with simplicity and performance in mind, Matchbox supports both WebAssembly and desktop targets. It’s especially useful for browser-based games that need...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    ANTIRTOS

    ANTIRTOS

    Function pointers queues classes library for Arduino

    ANTIRTOS is a compact real-time operating system (RTOS) written in ANSI C for microcontrollers and embedded systems. It is designed to be simple, portable, and efficient, making it ideal for resource-constrained environments such as IoT devices, robotics, and educational hardware projects. ANTIRTOS features a basic scheduler, support for cooperative and preemptive multitasking, and offers portability across different CPU architectures with minimal changes. Its simplicity and clarity make it...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    OpenAudible

    OpenAudible

    Audiobook Manager for Audible Users

    OpenAudible is a cross-platform audiobook manager designed for Audible users. Manage/Download all your audiobooks with this easy-to-use desktop application. Say goodbye to the hassle of managing your audiobooks across multiple devices. With OpenAudible, you can easily download, view, and manage all your Audible books in one place. Our lightning-fast conversion to MP3 and M4B audio formats makes it easy to enjoy your favorite books on any device. Plus, our automation features make it a breeze...
    Downloads: 6 This Week
    Last Update:
    See Project
  • 14
    OpenLIT

    OpenLIT

    OpenLIT is an open-source LLM Observability tool

    OpenLIT is an OpenTelemetry-native tool designed to help developers gain insights into the performance of their LLM applications in production. It automatically collects LLM input and output metadata and monitors GPU performance for self-hosted LLMs. OpenLIT makes integrating observability into GenAI projects effortless with just a single line of code. Whether you're working with popular LLM providers such as OpenAI and HuggingFace, or leveraging vector databases like ChromaDB, OpenLIT...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    PowerJob

    PowerJob

    Enterprise job scheduling middleware with distributed computing

    PowerJob is an open-source distributed computing and job scheduling framework which allows developers to easily schedule tasks in their own application. Front-end page is provided and developers can manage their task, monitor the status, check the logs online, etc. Four timing strategies are supported, including CRON expression, fixed rate, fixed delay and OpenAPI which allows you to define your own scheduling policies, such as delaying execution.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Dokploy

    Dokploy

    Open Source Alternative to Vercel, Netlify and Heroku

    Streamline your operations with our all-in-one platform, perfect for managing projects, data, and system health with simplicity and efficiency. Simplify your project and data management, ensure robust monitoring, and secure your backups—all without the fuss over minute details. Elevate your infrastructure with tools that offer precise control, detailed monitoring, and enhanced security, ensuring seamless management and robust performance. Streamline your deployments with our PaaS....
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    ThingsBoard Message Queue (TBMQ)

    ThingsBoard Message Queue (TBMQ)

    Open-source, scalable, and fault-tolerant MQTT broker

    TBMQ is a lightweight message broker built to support ThingsBoard's IoT platform, focusing on telemetry data streaming and device communication. It uses Kafka-compatible APIs and is optimized for high-throughput messaging, device scalability, and low-latency delivery. TBMQ is ideal for IoT backends needing MQTT or Kafka-style pub/sub infrastructure.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Keycloak

    Keycloak

    Identity and access management for modern applications and services

    Add authentication to applications and secure services with minimum fuss. No need to deal with storing users or authenticating users. It's all available out of the box. You'll even get advanced features such as User Federation, Identity Brokering and Social Login. Keycloak is an open source Identity and Access Management solution aimed at modern applications and services. It makes it easy to secure applications and services with little to no code. Users authenticate with Keycloak rather than...
    Downloads: 2 This Week
    Last Update:
    See Project
  • 19
    Metrics

    Metrics

    Capturing JVM and application-level metrics

    Metrics is a Java library which gives you unparalleled insight into what your code does in production. Metrics provides a powerful toolkit of ways to measure the behavior of critical components in your production environment. With modules for common libraries like Jetty, Logback, Log4j, Apache HttpClient, Ehcache, JDBI, Jersey and reporting backends like Graphite, Metrics provides you with full-stack visibility. The central library for Metrics is metrics-core, which provides some basic...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    QuestDB

    QuestDB

    An open source SQL database designed to process time series data

    QuestDB is a high-performance, open-source SQL database for applications in financial services, IoT, machine learning, DevOps and observability. It includes endpoints for PostgreSQL wire protocol, high-throughput schema-agnostic ingestion using InfluxDB Line Protocol, and a REST API for queries, bulk imports, and exports. QuestDB implements ANSI SQL with native extensions for time-oriented language features.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    MMKV for Android

    MMKV for Android

    An efficient, small mobile key-value storage framework

    MMKV for Android is an efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, and POSIX. Efficient. MMKV uses mmap to keep memory synced with file, and protobuf to encode/decode values, making the most of Android to achieve best performance. MMKV supports concurrent read-read and read-write access between processes. Easy-to-use. You can use MMKV as you go. All changes are saved immediately, no sync, no apply calls needed. MMKV contains...
    Downloads: 4 This Week
    Last Update:
    See Project
  • 22
    egos-2000

    egos-2000

    Helping students read all the code of a teaching operating system

    egos-2000 is a minimalist operating system built for educational and research purposes, offering a simplified kernel and runtime environment for exploring OS concepts. It runs on QEMU and is written in C/C++ with a focus on clarity and modularity. The system includes a basic filesystem, process management, and syscall interface, making it ideal for understanding core OS principles. egos-2000 is particularly well-suited for students learning about kernels, user-space interaction, and...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Tock OS

    Tock OS

    A secure embedded operating system for microcontrollers

    Tock is a secure, embedded operating system designed for microcontrollers and low-power hardware platforms. Written in Rust, it uses a novel kernel architecture where the OS runs a minimal trusted core and all userland code, including device drivers, is sandboxed and isolated. Tock is ideal for IoT devices, wearables, and embedded research projects where reliability and safety are critical. Its capability-based security model and preemptive multitasking allow developers to safely run...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Flogger

    Flogger

    A Fluent Logging API for Java

    Flogger is a structured logging API for Java that decouples how you log from where logs ultimately go, making it easy to change backends without rewriting application code. Instead of building messages eagerly, it uses lazy parameter evaluation so expensive string building only happens when a log statement is actually emitted. The API encourages structured key–value context and fine-grained rate limiting, which helps keep logs informative without flooding systems during high-traffic or error...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    Eureka

    Eureka

    AWS Service registry for resilient mid-tier load balancing

    Eureka is a REST (Representational State Transfer) based service that is primarily used in the AWS cloud for locating services for the purpose of load balancing and failover of middle-tier servers. t Netflix, Eureka is used for the following purposes apart from playing a critical part in mid-tier load balancing. For aiding Netflix Asgard, an open source service which makes cloud deployments easier, in fast rollback of versions in case of problems avoiding the re-launch of 100's of instances...
    Downloads: 2 This Week
    Last Update:
    See Project