Showing 51799 open source projects for "java-legacy"

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    Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

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  • 1
    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: 8 This Week
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  • 2
    Gradle License Plugin

    Gradle License Plugin

    Gradle plugin that provides a task to generate a HTML license report

    The Gradle License Plugin helps developers manage and audit software licenses for dependencies in Android and Java projects. It automatically detects third-party libraries and generates a report containing license details. This is particularly useful for ensuring compliance with open-source licenses, making it easier for teams to identify potential legal issues or attribution requirements before releasing software.
    Downloads: 3 This Week
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  • 3
    OneDev

    OneDev

    Git Server with CI/CD, Kanban, and Packages

    OneDev is a comprehensive Git server that combines source code management with built-in CI/CD, issue tracking, and project management tools. It offers an intuitive GUI for creating CI/CD jobs, supports versatile executors, and provides features like code search and navigation. OneDev aims to deliver a seamless integration experience for development teams.
    Downloads: 3 This Week
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  • 4
    tlaplus

    tlaplus

    TLC is an explicit state model checker for specifications in TLA+

    TLC is an explicit state model checker for specifications written in TLA+. The TLA+Toolbox is an IDE for TLA+. TLA+ is a high-level language for modeling programs and systems--especially concurrent and distributed ones. It's based on the idea that the best way to describe things precisely is with simple mathematics. TLA+ and its tools are useful for eliminating fundamental design errors, which are hard to find and expensive to correct in code.
    Downloads: 3 This Week
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    MongoDB Atlas runs apps anywhere

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  • 5
    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: 3 This Week
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  • 6
    OpenCV

    OpenCV

    Open Source Computer Vision Library

    ...It enables developers to build real-time vision applications ranging from facial recognition to object tracking. OpenCV supports a wide range of programming languages including C++, Python, and Java, and is optimized for both CPU and GPU operations.
    Downloads: 16 This Week
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  • 7
    Rainbow Kotlin

    Rainbow Kotlin

    Fluent syntactic sugar of Android for applying gradations, shading

    Fluent syntactic sugar of Android for applying gradations, shading, and tinting.
    Downloads: 8 This Week
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  • 8
    PartiQL Lang Kotlin

    PartiQL Lang Kotlin

    PartiQL libraries and tools in Kotlin.

    This is a Kotlin implementation of the PartiQL specification. PartiQL is based on SQL-92 and has added support for working with schemaless hierarchical data. PartiQL’s extensions to SQL are easy to understand, treat nested data as first-class citizens, and compose seamlessly with each other and SQL. This repository contains an embeddable reference interpreter, test framework, and tests for PartiQL in Kotlin.
    Downloads: 13 This Week
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  • 9
    JetBrains Runtime

    JetBrains Runtime

    Runtime environment based on OpenJDK for running IntelliJ products

    JetBrainsRuntime is the custom Java Runtime Environment (JRE) distribution maintained by JetBrains that enhances the standard OpenJDK to better support JetBrains products and provide a robust, optimized runtime for IDEs like IntelliJ IDEA, Rider, and other tools. It includes performance-tuned garbage collectors, desktop integration fixes, font rendering improvements, enhanced GTK support on Linux, and additional patches not available in stock JDK builds to ensure smoother, more stable behavior for large-scale IDE usage. ...
    Downloads: 2 This Week
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  • 10
    LeetCode Book

    LeetCode Book

    Comprehensive study guide for coding interviews

    LeetCode-Book is a comprehensive study guide for coding interviews that consolidates algorithm patterns, data-structure templates, and worked LeetCode solutions. It organizes problems by topic—arrays, linked lists, stacks/queues, trees/graphs, dynamic programming, greedy, backtracking, and math—so you can study systematically. Explanations are concise but intentional, highlighting why a pattern fits, how to reason about boundary cases, and the time/space trade-offs. Many entries include...
    Downloads: 2 This Week
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  • 11
    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: 4 This Week
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  • 12
    Infer

    Infer

    A static analyzer for Java, C, C++, and Objective-C

    Infer is a static analysis tool - if you give Infer some Java or C/C++/Objective-C code it produces a list of potential bugs. Anyone can use Infer to intercept critical bugs before they have shipped to users, and help prevent crashes or poor performance. Infer checks for null pointer exceptions, resource leaks, annotation reachability, missing lock guards, and concurrency race conditions in Android and Java code.
    Downloads: 2 This Week
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  • 13
    Eclipse Che

    Eclipse Che

    Next-gen container development platform, workspace server & cloud IDE

    Eclipse Che is a Kubernetes-native IDE that makes Kubernetes development accessible for development teams. It places everything a developer could need into containers in Kube pods including dependencies, embedded containerized runtimes, a web IDE, and project code. With the Kubernetes application in your development environment and an in-browser IDE, you can code, build, test and run applications exactly as they run on production from any machine.
    Downloads: 4 This Week
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  • 14
    SymmetricDS

    SymmetricDS

    SymmetricDS is database replication and file synchronization software

    SymmetricDS is an open-source platform for database replication and synchronization across heterogeneous systems. It supports multi-master and one-way replication with conflict resolution and works over unreliable networks. SymmetricDS is ideal for distributed applications, data warehousing, and edge deployments where consistency and availability are key.
    Downloads: 2 This Week
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  • 15
    Quarkdown

    Quarkdown

    Markdown with superpowers, from ideas to papers, and presentations

    Quarkdown is a lightweight Markdown processor and static site generator written in Java. It converts Markdown files into styled HTML pages with customizable themes, supporting blog creation and simple documentation websites. Quarkdown emphasizes simplicity and speed, providing an out-of-the-box experience for minimal personal sites.
    Downloads: 11 This Week
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  • 16
    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.
    Downloads: 1 This Week
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  • 17
    Apollo Kotlin

    Apollo Kotlin

    A strongly-typed, caching GraphQL client for the JVM, Android, etc.

    A strongly-typed, caching GraphQL client for Java and Kotlin multiplatform. Apollo Kotlin (formerly Apollo Android) is a GraphQL client that generates Kotlin and Java models from GraphQL queries. Apollo Kotlin executes queries and mutations against a GraphQL server and returns results as query-specific Kotlin types. This means you don't have to deal with parsing JSON, or passing around Maps and making clients cast values to the right type manually.
    Downloads: 1 This Week
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  • 18
    Jaeger

    Jaeger

    Monitor and troubleshoot transactions in complex distributed systems

    ...Jaeger, inspired by Dapper and OpenZipkin, is a distributed tracing system released as open source by Uber Technologies. It is used for monitoring and troubleshooting microservices-based distributed systems. OpenTracing compatible data model and instrumentation libraries include Go, Java, Node, Python, C++ and C#. Jaeger uses consistent upfront sampling with individual per service/endpoint probabilities and it has multiple storage backends: Cassandra, Elasticsearch, memory.
    Downloads: 18 This Week
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  • 19
    Turso Database

    Turso Database

    Turso is an in-process SQL database, compatible with SQLite

    ...Turso includes support for concurrent writes through MVCC, change data capture, and faster schema management. It offers bindings and integrations across languages such as Rust, JavaScript, Go, Python, Java, .NET, and WebAssembly. The database also includes vector support, asynchronous Linux I/O with io_uring, and a built-in MCP server that lets AI assistants inspect and modify databases through structured tools.
    Downloads: 16 This Week
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  • 20
    V3SP3R

    V3SP3R

    AI Flipper control

    V3SP3R is an experimental open-source project focused on integrating artificial intelligence with Flipper Zero control, aiming to create a more autonomous and intelligent interaction layer for hardware-based security tools. The project explores the concept of AI-assisted device control, where an intelligent system can interpret commands, automate workflows, and potentially orchestrate complex sequences of actions across Flipper functionalities. It is part of a broader ecosystem of projects...
    Downloads: 6 This Week
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  • 21
    GrimAC

    GrimAC

    Fully async, multithreaded, predictive, open source, 3.01 reach

    GrimAC is an open-source anticheat system designed to detect and prevent cheating on Minecraft multiplayer servers through predictive simulation and advanced movement analysis. The project uses a simulation-based detection engine that recreates player movement and physics in order to identify discrepancies between legitimate gameplay and modified client behavior. By analyzing how players move, interact with the world, and send network packets to the server, Grim can detect a variety of...
    Downloads: 6 This Week
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  • 22
    Nextcloud Notes for Android

    Nextcloud Notes for Android

    Android client for Nextcloud Notes app

    Nextcloud Notes Android is the official mobile client that enables users to create, edit, and manage notes stored on a Nextcloud server, making it possible to access personal notes securely from anywhere. Designed to integrate with Nextcloud’s server-side Notes app, this Android application supports multiple accounts, allowing users to operate against different servers or accounts within a single interface. It provides a full suite of note management tools including creation, editing,...
    Downloads: 6 This Week
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  • 23
    yudao-cloud

    yudao-cloud

    New Cloud version of Ruoyi-Vue-Pro optimized to refactor all features

    yudao-cloud is the cloud-native evolution of the popular ruoyi-vue-pro backend system, rebuilt around Spring Cloud Alibaba and a microservice architecture. It delivers a full-stack solution that combines a Spring-based backend, MyBatis Plus for data access, and a Vue + Element-based admin front-end, along with user-facing mini-programs. The system targets enterprise scenarios and includes modules for RBAC-based dynamic permissions, multi-tenant SaaS capabilities, data permissions, and...
    Downloads: 8 This Week
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  • 24
    Apache Seata

    Apache Seata

    High-performance, open source distributed transaction solution

    Seata is a distributed transaction solution for microservices that provides consistent, cross-service commits without forcing every team to adopt the same persistence model. Its architecture separates responsibilities into a global coordinator and per-service participants, so business services remain decoupled while transactions are orchestrated centrally. Multiple modes are supported—AT (automatic, SQL-based with undo logs), TCC (try-confirm-cancel), Saga (long-running compensation), and...
    Downloads: 7 This Week
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  • 25
    CommaFeed

    CommaFeed

    Google Reader inspired self-hosted RSS reader

    Google Reader inspired self-hosted RSS reader, based on Dropwizard and React/TypeScript.
    Downloads: 1 This Week
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