Showing 1113 open source projects for "java runtime environment"

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  • 1
    Cloudflare Workers SDK

    Cloudflare Workers SDK

    Home to Wrangler, the CLI for Cloudflare Workers

    ...The monorepo also includes tooling for simulating the Cloudflare runtime locally using Workerd, helping catch environment-specific bugs before deployment.
    Downloads: 3 This Week
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  • 2
    weixin-java-mp-demo

    weixin-java-mp-demo

    Based on Spring Boot and WxJava implementation of WeChat

    weixin-java-mp-demo is a Spring Boot–based reference project that demonstrates how to build backend services for WeChat Official Accounts using the WxJava SDK. The repository serves as a practical starting point for developers who want to integrate messaging, user management, and other public account capabilities into Java applications. It showcases typical server-side patterns such as request handling, message routing, and token management in a clean, runnable demo environment. ...
    Downloads: 0 This Week
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  • 3
    Serverless Java container

    Serverless Java container

    A Java wrapper to run Spring, Spring Boot, Jersey, and other apps

    ...This means you can keep much of your familiar Java-based architecture (controllers, filters, dependency injection) and deploy it in a serverless environment without rewriting everything from scratch. The project supports multiple framework flavors and versions, provides archetypes (Maven/Gradle) to scaffold applications, and maintains separate branches for legacy (Java EE/1.x) and modern (Jakarta EE/2.x+) ecosystems.
    Downloads: 0 This Week
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  • 4
    Tilt

    Tilt

    Define dev environment as code for microservice apps on Kubernetes

    A toolkit for fixing the pains of microservice development. Understand & orchestrate your services, work smarter & faster wherever you are, and team-based productivity. See all the pieces of your app, and trigger custom workflows like seeding databases or creating infrastructure. Our engine starts the whole app and runs automated rebuilds as you edit in your IDE. Get a continuous feedback loop with your logs, broken builds, and runtime errors. Work with Kubernetes without needing to be an...
    Downloads: 23 This Week
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  • 5
    quickjs-emscripten

    quickjs-emscripten

    Safely execute untrusted Javascript in your Javascript

    ...It allows seamless interaction between the host environment and the embedded QuickJS runtime, including passing values, objects, and functions across boundaries. This makes it suitable for building plugin systems, sandboxed scripting environments, and AI-related workflows where controlled execution is essential. The system supports multiple environments, including Node.js, browsers, and serverless platforms, ensuring portability across deployment scenarios.
    Downloads: 0 This Week
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  • 6
    mise

    mise

    Dev tools, env vars, task runner

    Mise (formerly RTX) is a cross-language CLI tool and task runner that manages developer tools, environment variables, and project tasks in a unified configuration (mise.toml). It handles tool installation (e.g., Node, Python, Terraform), env var profiles, and repeatable command scripting.
    Downloads: 5 This Week
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  • 7
    Alibaba Dragonwell8

    Alibaba Dragonwell8

    Alibaba Dragonwell8 JDK

    Over the years, more than a billion lines of Java code have been written in Alibaba. While adopting OpenJDK to run these applications, we have found a need to customize it specifically for large-scale Java application deployments. Our customization has been well-tested in our environment. We are now contributing some of our work into the Java community. Alibaba Dragonwell, as a downstream version of OpenJDK, is the in-house OpenJDK implementation at Alibaba. ...
    Downloads: 10 This Week
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  • 8
    IntelliJ Community Edition

    IntelliJ Community Edition

    IntelliJ IDEA & IntelliJ Platform

    ...IntelliJ Community supports multiple JVM-based languages (Java, Kotlin, Scala, Groovy) and serves as a host for plugin ecosystems that add support for web, database, and cloud tooling. The project emphasizes performance, modularity, and a responsive user experience, maintaining a codebase that balances long-term maintainability with cutting-edge developer features.
    Downloads: 1,313 This Week
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  • 9
    Artichoke Ruby

    Artichoke Ruby

    Artichoke is a Ruby made with Rust

    ...Artichoke features a modular architecture composed of multiple Rust crates, allowing developers to customize and embed the interpreter into their own applications. It includes tools such as a command-line interpreter and an interactive REPL, making it usable both as a runtime and a development environment. The project emphasizes experimentation with advanced features like alternative garbage collection strategies, parallel execution, and ahead-of-time compilation.
    Downloads: 0 This Week
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  • 10
    Light-4J

    Light-4J

    A fast, lightweight and more productive microservices framework

    Light means lightweight, lightning-fast and shedding light on how to program with modern Java SE for cloud-native deployment. I had been working on the Java EE platforms since early 2000 and suffered performance and productivity issues. In 2014, I realized that the IT industry was moving from Monolithic to Microservices and from on-premise data centers to the public clouds. To reduce the production cost for my applications, I need to find a lightweight platform that has a small memory...
    Downloads: 5 This Week
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  • 11
    Testcontainers Python

    Testcontainers Python

    Testcontainers is a Python library that providing a friendly API

    Testcontainers is a Python library that provides a friendly API to run a Docker container. It is designed to create a runtime environment to use during your automatic tests.
    Downloads: 0 This Week
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  • 12
    Pion TURN

    Pion TURN

    Pion TURN, an API for building TURN clients and servers

    ...Maintainable - pion/turn is simple and well documented. Designed for learning and easy debugging. Portable - Quickly deploy to multiple architectures/platforms just by setting an environment variable. Safe - Stability and safety is important for network services. Go provides everything we need. Scalable - Create allocations and mutate state at runtime. Designed to make scaling easy. pion/turn is an API for building STUN/TURN clients and servers, not a binary you deploy then configure.
    Downloads: 6 This Week
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  • 13
    OpenShell

    OpenShell

    OpenShell is the safe, private runtime for autonomous AI agents.

    OpenShell is an open-source runtime designed to safely run autonomous AI agents in isolated environments. Developed by NVIDIA, it provides sandboxed execution spaces that protect system resources, credentials, and data from unauthorized access. Each agent runs inside a containerized sandbox governed by declarative YAML security policies that control network access, file permissions, and process behavior.
    Downloads: 27 This Week
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  • 14
    Micronaut

    Micronaut

    Micronaut Application Framework

    ...With Micronaut you can build message-driven applications, command-line applications, HTTP servers, and more whilst for Microservices in particular Micronaut also provides distributed configuration. This is achieved by pre-computing the framework infrastructure at compilation time which reduces the logic required at runtime for the application to work. Compatible with Java, Groovy, and Kotlin, with Scala on the roadmap.
    Downloads: 1 This Week
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  • 15
    workerd

    workerd

    The JavaScript / Wasm runtime that powers Cloudflare Workers

    workerd is the server runtime that powers Cloudflare Workers — a modern, standards-aligned JavaScript and WebAssembly execution environment that can be run outside of Cloudflare’s global edge network as a standalone server or proxy. Designed to host serverless applications written to the Workers platform API (including fetch() and Web standard libraries), workerd enables developers to self-host edge-style workloads in local data centers or development environments, or to test Workers code offline before deploying to the cloud. ...
    Downloads: 0 This Week
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  • 16
    Erlang/OTP

    Erlang/OTP

    Build massively scalable soft real-time systems

    Erlang is a programming language used to build massively scalable soft real-time systems with requirements on high availability. Some of its uses are in telecoms, banking, e-commerce, computer telephony and instant messaging. Erlang's runtime system has built-in support for concurrency, distribution and fault tolerance. OTP is set of Erlang libraries and design principles providing middle-ware to develop these systems. It includes its own distributed database, applications to interface...
    Downloads: 31 This Week
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  • 17
    k0s

    k0s

    k0s - The Zero Friction Kubernetes

    k0s is an all-inclusive Kubernetes distribution, which is configured with all of the features needed to build a Kubernetes cluster and packaged as a single binary for ease of use. k0s fits well in any cloud environment, but can also be used in IoT gateways, Edge and Bare metal deployments due to its simple design, flexible deployment options and modest system requirements.
    Downloads: 9 This Week
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  • 18
    Keyshade

    Keyshade

    Realtime secret and configuration management tool

    Keyshade is an open-source secret and configuration management platform designed to keep environment variables, API keys, and runtime configuration synchronized across local development, CI/CD, and production. It helps teams avoid hardcoding secrets or manually sharing .env files by providing a centralized system for securely storing and distributing configuration values. The platform uses public key encryption with elliptic curve cryptography to protect secrets while they are stored and transferred. ...
    Downloads: 3 This Week
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  • 19
    Wasmi

    Wasmi

    Efficient and versatile WebAssembly interpreter for embedded systems

    ...It is particularly well-suited for blockchain systems, embedded devices, and other contexts where predictable execution and minimal dependencies are critical. The runtime implements the WebAssembly specification and provides a safe execution environment with strict sandboxing, ensuring that untrusted code cannot access host resources without explicit permission. wasmi also emphasizes modularity and embeddability, allowing developers to integrate it into their applications with fine-grained control over execution behavior. ...
    Downloads: 8 This Week
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  • 20
    Universal runtime installer

    Universal runtime installer

    This installer allows to install the latest Windows Runtimes

    This installer allows to install the latest Visual C++ Runtime of all years (2008-2022), Full DirectX Runtime, Microsoft XNA Framework, .Net Runtime, Java and OpenAL at once.
    Downloads: 26 This Week
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  • 21
    Consul

    Consul

    Service networking solution to connect applications across any cloud

    Automate network configurations, discover services, and enable secure connectivity across any cloud or runtime. Quickly deploy Consul on Kubernetes leveraging Helm. Automatically inject sidecars for Kubernetes resources. Federate multiple clusters into a single service mesh. Deploy service mesh within any runtime or infrastructure - Bare Metal, Virtual Machines, and Kubernetes clusters, across any cloud. Resolve discovered services through integrated DNS.
    Downloads: 3 This Week
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  • 22
    Pkl

    Pkl

    A configuration as code language with rich validation and tooling

    ...Configurations in Pkl are type-safe and support validation constraints (e.g. bounds, relations) so many errors can be caught before deployment. The language is embeddable, meaning it can run inside applications (Java, Swift, Go, etc.) to load configuration dynamically with the same safety guarantees. There’s also code generation support: writing Pkl modules can generate matching classes or data structures in target languages (Swift, Go, Java, Kotlin) so runtime config and statically typed code stay in sync.
    Downloads: 4 This Week
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  • 23
    ReNative

    ReNative

    Unified Development Platform for iOS, tvOS, Android, Android TV

    ...you can go as simple as a most basic JSON config file to get yourself up and running. Sometimes you need to extend CLI functionality with custom build scripts. ReNative makes this easy for you. ReNative runtime is an NPM dependency to help abstract away some of the complexities of building UI interfaces and features for a large number of target platforms and devices.
    Downloads: 7 This Week
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  • 24
    NativeScript iOS

    NativeScript iOS

    NativeScript for iOS and visionOS using V8

    The nativescript-ios repository contains the runtime and core modules necessary for building and running NativeScript applications on iOS devices, enabling developers to create native iOS apps using JavaScript or TypeScript.
    Downloads: 7 This Week
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  • 25
    Nub

    Nub

    The fast all-in-one Node.js toolkit

    Nub is an all-in-one toolkit for Node.js that aims to streamline the JavaScript and TypeScript development experience without replacing Node itself. Written in Rust, it combines multiple developer utilities into a single binary capable of running scripts, managing dependencies, and provisioning Node installations. The project takes a TypeScript-first approach and allows developers to execute TypeScript files directly while continuing to use their preferred package managers and existing Node...
    Downloads: 1 This Week
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