Showing 1087 open source projects for "open core"

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  • 1
    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...
    Downloads: 2 This Week
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  • 2
    ExpressJS.com

    ExpressJS.com

    The Express.js Website

    ...Versioned docs help readers match API behavior to the framework version they’re running, reducing confusion during upgrades. The site showcases common patterns through concise examples, making it easy to translate concepts into working code. In addition to core Express usage, the documentation surfaces ecosystem guidance on things like security headers, structured logging, and integration with view engines or ORMs. Because it is open to community contributions, the documentation evolves alongside Express itself, reflecting real-world questions and solutions.
    Downloads: 6 This Week
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  • 3
    Kuberhealthy

    Kuberhealthy

    A Kubernetes operator for running synthetic checks as pods

    Kuberhealthy is a Kubernetes operator for synthetic monitoring and continuous process verification. Write your own tests in any language and Kuberhealthy will run them for you. Automatically creates metrics for Prometheus. Includes simple JSON status page. Kuberhealthy lets you continuously verify that your applications and Kubernetes clusters are working as expected. By creating a custom resource (a KuberhealthyCheck) in your cluster, you can easily enable various synthetic tests and get...
    Downloads: 2 This Week
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  • 4
    LFortran

    LFortran

    Official main repository for LFortran

    LFortran is a modern open-source (BSD licensed) interactive Fortran compiler built on top of LLVM. It can execute the user’s code interactively to allow exploratory work (much like Python, MATLAB or Julia) as well as compile binaries with the goal of running the user’s code on modern architectures such as multi-core CPUs and GPUs. LFortran is in alpha (it is expected to not work on third-party codes and users enthusiastically participate in bug reporting and fixing).
    Downloads: 1 This Week
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  • 5
    Apache Flink

    Apache Flink

    Stream processing framework with powerful stream

    Apache Flink is a distributed engine for stateful computations over data streams and batches, designed for low-latency processing at scale. Its core runtime executes dataflow graphs with fine-grained backpressure and checkpointing, allowing applications to recover consistently from failures. Flink’s event-time model and watermarks enable accurate out-of-order processing, windowing, and complex time semantics that typical real-time systems struggle with. Developers program against high-level...
    Downloads: 0 This Week
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  • 6
    Emissary-ingress

    Emissary-ingress

    open source Kubernetes-native API gateway for microservices

    Emissary-Ingress is the most popular API Gateway Kubernetes-native - open-source, that delivers scalability, flexibility, and simplicity for some of the world's largest Kubernetes installations. Emissary-Ingress is an open source CNCF incubating project, and it uses the ubiquitous Envoy Proxy at its core. Once your organization hits a certain scale, a reverse proxy or load balancer isn’t enough for traffic management.
    Downloads: 0 This Week
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  • 7
    C# Algorithms

    C# Algorithms

    Plug-and-play class-library project of standard data structures

    A plug-and-play class-library project of standard Data Structures and Algorithms, written in C#. It contains 75+ Data Structures and Algorithms, designed as Object-Oriented isolated components. Even though this project started for educational purposes, the implemented Data Structures and Algorithms are standard, efficient, stable and tested. This is a C#.NET solution-project, and it contains three subprojects. Algorithms, a class library project which contains the Algorithms implementations....
    Downloads: 1 This Week
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  • 8
    Monocle

    Monocle

    Optics library for Scala

    Monocle is a pure functional, optics library for Scala providing immutable data access and transformation tools — including Lens, Prism, Iso, Optional, and Traversal. It enables composable, declarative modifications of deeply nested immutable structures in a concise and type-safe fashion.
    Downloads: 0 This Week
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  • 9
    nvim-cmp

    nvim-cmp

    A completion plugin for neovim coded in Lua

    nvim-cmp is a fast, extensible autocompletion plugin for Neovim written in Lua. It supports asynchronous completion sources, snippet expansion, and user-defined completions. nvim-cmp is designed to integrate smoothly with Neovim’s built-in LSP, treesitter, and other ecosystem tools, making it a core component of modern Neovim configurations.
    Downloads: 0 This Week
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  • 10
    Polars

    Polars

    Dataframes powered by a multithreaded, vectorized query engine

    Polars is a high-performance, multi-language DataFrame library built in Rust using Apache Arrow. It delivers blazing-fast, vectorized, and parallel data manipulation with both eager and lazy execution, making it an excellent tool for data processing in Python, Rust, Node.js, R, and SQL contexts.
    Downloads: 0 This Week
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  • 11
    SmartSql

    SmartSql

    SmartSql = MyBatis in C# + .NET Core+ Cache(Memory | Redis)

    SmartSql is a lightweight, high-performance ORM for .NET inspired by MyBatis. It provides a hybrid approach that separates SQL from application code while supporting dynamic queries, mapping, and caching. With XML or annotation-based configuration, SmartSql is designed to balance control and productivity for .NET developers.
    Downloads: 0 This Week
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  • 12
    Symfony FrameworkBundle

    Symfony FrameworkBundle

    Provides a tight integration between Symfony components

    Symfony Framework Bundle is the core bundle of the Symfony PHP framework, providing the essential components and configuration needed to build robust web applications. It integrates various Symfony components, such as routing, templating, and dependency injection, into a cohesive structure. This bundle serves as the foundation for Symfony applications and enables developers to efficiently manage routes, templates, services, and more.
    Downloads: 0 This Week
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  • 13
    Symfony DependencyInjection

    Symfony DependencyInjection

    Allows you to standardize the way objects are constructed

    Symfony Dependency Injection is a core component of the Symfony framework that provides a flexible, service-oriented architecture for managing object dependencies. It follows the dependency injection pattern to improve modularity and testability in PHP applications. The component allows developers to define services, inject dependencies, and manage object lifecycles using configuration files or annotations.
    Downloads: 0 This Week
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  • 14
    pp

    pp

    Colored pretty printer for Go language

    Colored pretty printer for Go language. Just call pp.Print(). fmt package-like functions are provided. You can also create own instances that do not interfere with the default printer. If you require, you may change the colors (all or some) for syntax highlighting. You may combine any color with a background color and optionally with the bold parameter.
    Downloads: 0 This Week
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  • 15
    Motia

    Motia

    Multi-Language Backend Framework that unifies APIs

    Motia is a large-scale, multi-language backend framework designed to unify and simplify core backend concerns — from APIs and background jobs to distributed workflows, streams, and advanced AI agent integration — through a single coherent primitive with built-in observability and state management. It provides a unified development philosophy that seamlessly bridges different backend patterns (queues, event streams, scheduled jobs) while offering integrated tools for telemetry, logging,...
    Downloads: 3 This Week
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  • 16
    bitnet.cpp

    bitnet.cpp

    Official inference framework for 1-bit LLMs

    bitnet.cpp is the official open-source inference framework and ecosystem designed to enable ultra-efficient execution of 1-bit large language models (LLMs), which quantize most model parameters to ternary values (-1, 0, +1) while maintaining competitive performance with full-precision counterparts. At its core is bitnet.cpp, a highly optimized C++ backend that supports fast, low-memory inference on both CPUs and GPUs, enabling models such as BitNet b1.58 to run without requiring enormous compute infrastructure. ...
    Downloads: 3 This Week
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  • 17
    GitButler

    GitButler

    The GitButler version control client, backed by Git

    GitButler is a modern Git-based version control client that pairs a graphical desktop experience with a complementary command-line tool, aiming to make everyday change management easier than traditional Git workflows. It keeps Git compatibility at the core, meaning your work still maps to commits, branches, and pushes to standard Git servers, but it rethinks how you interact with that underlying model. The project is designed around developer productivity, emphasizing smoother workflows for...
    Downloads: 4 This Week
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  • 18
    TensorZero

    TensorZero

    TensorZero is an open-source stack for industrial-grade LLM apps

    tensorzero is a lightweight C++ library designed for tensor operations and numerical computing. It offers a minimal and readable implementation of core tensor functionality, making it ideal for educational purposes, lightweight applications, or those wanting to understand how tensor libraries work under the hood. With no external dependencies, tensorzero is easy to integrate into C++ projects needing basic multi-dimensional array support.
    Downloads: 0 This Week
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  • 19
    Django Ninja

    Django Ninja

    Fast, Async-ready, Openapi, type hints based framework

    ...Designed to be easy to use and intuitive. Very high performance thanks to Pydantic and async support. Type hints and automatic docs lets you focus only on business logic. Based on the open standards for APIs: OpenAPI (previously known as Swagger) and JSON Schema. Django friendly (obviously) has good integration with the Django core and ORM. Used by multiple companies on live projects.
    Downloads: 0 This Week
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  • 20
    SFBAudioEngine

    SFBAudioEngine

    A powerhouse of audio functionality for macOS, iOS, and tvOS

    SFBAudioEngine is an advanced audio engine designed for macOS and iOS, focusing on high-quality playback, precise audio control, and support for a wide range of audio formats. Built for modern Apple platforms, it provides developers with a robust tool for integrating sophisticated audio functionalities into their applications. It emphasizes extensibility, performance, and clean API design.
    Downloads: 0 This Week
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  • 21
    Fengari

    Fengari

    The Lua VM written in JS ES6 for Node and the browser

    The Lua VM written in JS ES6 for Node and the browser. This repository contains the core Fengari code (which is a port of the Lua C library) which includes parser, virtual machine, and base libraries. However, it is rare to use this repository directly.
    Downloads: 0 This Week
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  • 22
    commonmark-java

    commonmark-java

    Java library for parsing and rendering CommonMark (Markdown)

    Java library for parsing and rendering Markdown text according to the CommonMark specification (and some extensions). Provides classes for parsing input to an abstract syntax tree of nodes (AST), visiting and manipulating nodes, and rendering to HTML. It started out as a port of commonmark.js, but has since evolved into a full library with a nice API.
    Downloads: 0 This Week
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  • 23
    Pixeval

    Pixeval

    Wow. Yet another Pixiv client!

    Pixeval is a third-party proxy-free P station client developed by me as an amateur. The UI is implemented using Windows Presentation Foundation , based on .NET Core 3.0 , and supports Windows 7-10 (planning to cancel support other than Win10), and implements most of the The browsing function and many enhancements have been made. It has been open sourced on Github based on the AGPL protocol . The project was conceived in 2018. At that time, the api of the P station was written in Java. At that time, it could also be accessed by modifying the hosts method. ...
    Downloads: 4 This Week
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  • 24
    fmt

    fmt

    Formatting library as an alternative to C stdio and C++ iostreams

    {fmt} is an open-source formatting library providing a fast and safe alternative to C stdio and C++ iostreams. The format API is similar in spirit to the C printf family of function but is safer, simpler and several times faster than common standard library implementations. The format string syntax is similar to the one used by str.format in Python. The library is fully type safe, automatic memory management prevents buffer overflow, errors in format strings are reported using exceptions or...
    Downloads: 4 This Week
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  • 25
    Cloud Foundation Toolkit Project

    Cloud Foundation Toolkit Project

    The Cloud Foundation toolkit provides GCP best practices as code

    Cloud Foundation Toolkit is a best-practices-as-code project intended to help teams build and manage Google Cloud environments in a more standardized, production-ready way. At its core, it combines a comprehensive set of Terraform blueprints with developer tooling that supports the creation and management of those blueprints. The repository is aimed at infrastructure teams that want reusable, policy-aligned starting points instead of assembling foundational cloud environments from scratch...
    Downloads: 2 This Week
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