Showing 3550 open source projects for "core"

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  • 1
    JetBrains Runtime

    JetBrains Runtime

    Runtime environment based on OpenJDK for running IntelliJ products

    ...These modifications are aimed at reducing resource consumption, improving windowing and high-DPI rendering, and delivering a consistent user experience across operating systems. By controlling the runtime environment, JetBrains can ship their IDEs with confidence that core JVM behavior will align with expected performance, reducing platform-specific issues and enhancing responsiveness.
    Downloads: 10 This Week
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  • 2
    Turborepo

    Turborepo

    Build system optimized for JavaScript and TypeScript, written in Rust

    ...Speed up PaaS deploys by generating a subset of your monorepo with only what's needed to build a specific target. Turborepo won’t interfere with your runtime code or touch your sourcemaps. Execute builds using every core at maximum parallelism without wasting idle CPUs. Define the relationships between your tasks and then let Turborepo optimize what to build and when.
    Downloads: 10 This Week
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  • 3
    Altair

    Altair

    A beautiful feature-rich GraphQL Client for all platforms

    ...Easily add a query or fragment from the docs into the editor without having to manually type the fields in the query. Use Altair comfortably in your native language with several languages supported. Extend the core functionality provided with plugins that can do much more.
    Downloads: 7 This Week
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  • 4
    Flagpack

    Flagpack

    Flagpack contains 250+ flag icons to easily use within your code

    flagpack-core is a collection of high-quality SVG and PNG flags for over 250 countries and regions. It provides a lightweight and accessible way to integrate country flags into web applications.
    Downloads: 1 This Week
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    Ship Agents Faster

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  • 5
    Agent Payments Protocol (AP2)

    Agent Payments Protocol (AP2)

    Building a Secure and Interoperable Future for AI-Driven Payments

    ...The repository contains sample scenarios (in Python, Android, etc.) that illustrate how agents, servers, and payments flows would work under the protocol. It includes “types” definitions (the core message and object schema) and example agent implementations to demonstrate the mechanics of agent-to-agent and agent-to-server interactions. The design emphasizes flexibility: although their samples use a particular Agent Development Kit (ADK) or runtime, the protocol is intended to be independent of those choices.
    Downloads: 2 This Week
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  • 6
    Zerocode

    Zerocode

    API automation and load testing framework

    A community-developed, free, open source, microservices API automation and load testing framework built using JUnit core runners for Http REST, SOAP, Security, Database, Kafka and much more. Zerocode Open Source enables you to create, change, orchestrate and maintain your automated test cases declaratively with absolute ease. Zerocode makes it easy to create and maintain automated tests with absolute minimum overhead for REST,SOAP, Kafka Real Time Data Streams and much more.
    Downloads: 16 This Week
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  • 7
    Aidoku Sources

    Aidoku Sources

    Unofficial (legacy) sources for Aidoku

    Aidoku Community Sources is an open-source repository that provides a collection of unofficial, community-developed content sources that can be installed into the Aidoku manga reading application to expand its available library. These sources act as connectors between the app and external content providers, enabling users to browse and read manga from various online platforms. The repository is structured to allow contributors to add, update, or maintain sources, fostering a collaborative...
    Downloads: 9 This Week
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  • 8
    prompt-kit

    prompt-kit

    Core building blocks for AI apps

    prompt-kit is an open-source collection of high-quality, customizable UI components designed specifically for building modern AI-powered interfaces such as chat applications, agents, and autonomous assistants. It provides developers with a set of reusable building blocks that integrate seamlessly with frameworks like React, Next.js, and Tailwind CSS, enabling rapid development of polished and consistent AI user experiences. The library is designed to work alongside shadcn/ui, allowing...
    Downloads: 9 This Week
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  • 9
    Nano PDF Editor

    Nano PDF Editor

    Edit PDF files with Nano Banana

    Nano PDF Editor is a minimalist, portable PDF viewer and toolkit that focuses on simplicity, speed, and ease of integration for applications that need basic PDF rendering without heavy dependencies. It provides core functionality such as page navigation, zooming, text selection, and rendering directly to native graphics surfaces, making it suitable for lightweight PDF viewing scenarios on desktop or embedded platforms. Designed to be easily embedded into larger software projects, Nano-PDF has a small code footprint and straightforward APIs that developers can call from common languages, helping it fit into text editors, document explorers, or custom user interfaces with minimal effort. ...
    Downloads: 9 This Week
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  • 10
    Java Tablesaw

    Java Tablesaw

    Java dataframe and visualization library

    ...Here are a few examples of the new library in action. Descriptive stats: mean, min, max, median, sum, product, standard deviation, variance, percentiles, geometric mean, skewness, kurtosis, etc. Add tablesaw-core to your project. You can find the version number for the latest release in the release notes.
    Downloads: 12 This Week
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  • 11
    MyBB

    MyBB

    MyBB is a free and open source forum software

    MyBB is a free and open-source forum software written in PHP, providing a powerful and extensible platform for online communities. It includes a rich plugin system, theming support, and a user-friendly admin control panel. MyBB is designed to be easy to install and manage while offering advanced moderation and community features.
    Downloads: 2 This Week
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  • 12
    QPanda 2

    QPanda 2

    QPanda 2 is an open source quantum computing framework

    QPanda2 is an open source quantum computing framework developed by Origin Quantum, which can be used to build, run and optimize quantum algorithms. QPanda2 is the basic library of a series of software developed by Origin Quantum, which provides core components for QRunes, Qurator and quantum computing services.
    Downloads: 2 This Week
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  • 13
    kagent

    kagent

    Kubernetes native framework for building AI agents

    Kagent is a Kubernetes-native framework for building, deploying, and operating AI agents as first-class cloud-native workloads. It models core agent concepts declaratively using Kubernetes custom resources, so teams can manage agents similarly to other platform components via YAML, controllers, and standard cluster workflows. In kagent’s design, an “Agent” represents a system prompt plus a set of tools and other agents, along with an LLM configuration, making the agent definition portable and repeatable across environments. ...
    Downloads: 15 This Week
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  • 14
    .NET Agent Skills

    .NET Agent Skills

    Repository for skills to assist AI coding agents with .NET and C#

    ...It provides structured knowledge packs and custom agents that guide coding assistants through common development, debugging, migration, build, package, and performance tasks. The repository covers core .NET work as well as more specialized areas such as Entity Framework, MSBuild, NuGet, .NET upgrades, .NET MAUI, and AI-related .NET development. Its purpose is to reduce trial and error by giving agents task-specific context and repeatable workflows. The project also includes evaluation and dashboard support to track skill performance over time. ...
    Downloads: 0 This Week
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  • 15
    PeopleInSpace

    PeopleInSpace

    Kotlin Multiplatform sample with SwiftUI, Jetpack Compose

    ...PeopleInSpace is intentionally minimalistic, designed as a learning resource that highlights the core building blocks of Kotlin Multiplatform development without unnecessary complexity.
    Downloads: 0 This Week
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  • 16
    Open Gauss

    Open Gauss

    Project-scoped Lean workflow orchestrator from Math, Inc.

    ...The database organizes data using the relational model, storing structured information in tables composed of rows and columns while supporting standard SQL for querying and management. One of its defining strengths is its optimization for multi-core and distributed environments, allowing it to efficiently process high volumes of concurrent transactions with minimal latency. OpenGauss also incorporates AI-based optimization techniques, such as intelligent query planning, performance prediction, and automated tuning, which help reduce operational complexity and improve efficiency.
    Downloads: 0 This Week
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  • 17
    Web Quality Skills

    Web Quality Skills

    Agent Skills for optimizing web quality based on Lighthouse

    This repository is a curated set of AI agent skills that encapsulate best practices for improving web quality, performance, accessibility, search engine optimization, and general best practices for web projects. It encodes knowledge drawn from Google Lighthouse audits, Core Web Vitals heuristics, WCAG accessibility guidelines, and real-world engineering experience, allowing coding agents to automatically assess and suggest improvements. These skills are framework-agnostic, meaning they apply to React, Vue, Svelte, Angular, Astro, or even plain HTML projects. For example, an agent can use these skills to audit a page’s performance, identify bottlenecks in loading speed, fix layout shift issues, suggest accessibility enhancements, or recommend SEO improvements. ...
    Downloads: 0 This Week
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  • 18
    c15t

    c15t

    The Developer-First Cookie Banner

    ...Rather than relying on heavy third-party scripts or services, it offers a flexible, headless engine that web teams can integrate directly into their front-end and edge stacks with minimal overhead, giving full control over user experience and data handling. c15t runs entirely in the front end or at the edge, blocking or allowing scripts based on user decisions and tracking those states for observability and auditing. It provides framework-agnostic core logic as well as adapters and components for popular frameworks like React and Next.js, making it easy to scaffold banner UIs, preference centers, and consent dialogs while keeping performance high and bundle sizes low.
    Downloads: 0 This Week
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  • 19
    libsignal

    libsignal

    Home to the Signal Protocol and other cryptographic primitives

    ...Written primarily in Rust with bindings and APIs surfaced for Java, Swift, and TypeScript, this library encapsulates critical algorithms like the Double Ratchet, prekey mechanisms, secure key storage, and zero-knowledge group primitives, along with additional utilities for media handling and device key transfer. libsignal abstracts complex cryptographic constructions into reusable components that client applications can adopt to ensure forward secrecy, authentication, and integrity without re-implementing core security logic. Although its primary use is within the Signal ecosystem, its documentation and exposed interfaces allow developers to explore modern secure messaging primitives or use pieces of the protocol in experimental applications.
    Downloads: 0 This Week
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  • 20
    100 proyectos de JavaScript

    100 proyectos de JavaScript

    100 JavaScript projects with code and videos for free

    ...The projects cover a variety of small apps and UI experiments, such as swipe interactions, classic games, typing tests, and more, focusing on vanilla JavaScript with HTML and CSS to reinforce core skills. The contribution section invites the community to fork the repo, implement or improve projects, and open pull requests, turning the collection into a collaborative learning space.
    Downloads: 0 This Week
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  • 21
    TensorStore

    TensorStore

    Library for reading and writing large multi-dimensional arrays

    ...The library is engineered for scalability—background caching, chunk sharding, and retryable operations keep throughput high even over unreliable networks. With language bindings, it fits into Python-heavy analysis pipelines while retaining a fast C++ core.
    Downloads: 0 This Week
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  • 22
    SwiftLog

    SwiftLog

    A Logging API for Swift

    swift-log is the official, vendor-neutral logging API for Swift, providing a small, performant core that libraries and applications adopt to avoid logger lock-in. It defines common logging semantics and levels, plus a lightweight façade that backends can implement—so the same application code can run with different logging engines (e.g., OSLog on Apple platforms or custom sinks on servers). The package embraces Swift Package Manager, offers a clean Logger API, and is widely used across the Swift on server and Apple-platform ecosystems. ...
    Downloads: 0 This Week
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  • 23
    CodeGuide

    CodeGuide

    This repository is a collection of the author, Xiao Fuge

    CodeGuide is a curated collection of Java development resources built from years of real-world engineering experience by the author, who has worked extensively in large-scale internet companies. The project serves as a structured and comprehensive learning path for developers who want to strengthen their understanding of Java fundamentals and core programming practices. It includes detailed explanations of design patterns, source code analysis, frameworks, algorithms, and real-world project cases. The repository emphasizes practical coding skills, providing examples that can be directly applied in professional software engineering. It also functions as a guide for both junior developers who want to grow into architects and experienced engineers who seek deeper mastery of system design. ...
    Downloads: 0 This Week
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  • 24
    X's Recommendation Algorithm

    X's Recommendation Algorithm

    Source code for the X Recommendation Algorithm

    The Algorithm is Twitter’s open source release of the core ranking system that powers the platform’s home timeline. It provides transparency into how tweets are selected, prioritized, and surfaced to users, reflecting Twitter’s move toward openness in recommendation algorithms. The repository contains the recommendation pipeline, which incorporates signals such as engagement, relevance, and content features, and demonstrates how they combine to form ranked outputs.
    Downloads: 0 This Week
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  • 25
    Cheshire

    Cheshire

    Clojure JSON and JSON SMILE (binary json format) encoding/decoding

    ...Custom encoding is supported from 2.0.0 and up if you encounter a bug, please open a GitHub issue. From 5.0.0 onwards, custom encoding has been moved to be part of the core namespace (not requiring a namespace change). Custom and Core encoding have been combined in Cheshire 5.0.0, so there is no longer any need to require a different namespace depending on what you would like to use. Cheshire will automatically use a BigInteger if needed for non-floating-point numbers.
    Downloads: 0 This Week
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