Showing 36 open source projects for "complex"

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  • 1
    Garden Skills

    Garden Skills

    ConardLi's open-source Skills collection, featuring web design

    Garden Skills is a collection of modular AI skills designed to enhance agent workflows through structured and reusable capabilities. It focuses on organizing skills as composable units that can be combined to solve complex tasks efficiently. The repository emphasizes maintainability and scalability, allowing developers to build systems that evolve over time like a growing “garden” of capabilities. Each skill encapsulates a specific function, making it easier to reuse across projects and contexts. The system supports integration with agent frameworks, enabling automation and orchestration of tasks. ...
    Downloads: 5 This Week
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  • 2
    ArkType

    ArkType

    TypeScript's 1:1 validator, optimized from editor to runtime

    ArkType is a high-performance runtime type validation library for TypeScript. It offers a 1:1 validator optimized from editor to runtime, enabling developers to define and enforce complex type constraints seamlessly.​
    Downloads: 0 This Week
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  • 3
    KnowNote

    KnowNote

    A local-first AI knowledge base & NotebookLM alternative

    ...It lets users build an intelligent, searchable knowledge base from uploaded documents such as PDFs, Word files, PowerPoints, and web pages, and then interact with that content using LLM-powered chat, summarization, and reasoning tools. Unlike many NotebookLM alternatives that rely on Docker or cloud deployments, KnowNote runs natively on desktop platforms without complex setup, meaning all data stays local unless the user opts to integrate with self-managed or private LLM APIs. Its retrieval-augmented generation (RAG) system offers semantic search and traceable source references, and it supports multiple LLM providers through a flexible plugin-style provider architecture.
    Downloads: 39 This Week
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  • 4
    pdfme

    pdfme

    A TypeScript based PDF generator library, made with React

    TypeScript base PDF generator and React-based UI. Open source, developed by the community, and completely free to use under the MIT license. No complex operations are required. Just bring your favorite template and generate all the PDFs you need. Works on node and the browser. Anyone can easily create and modify templates using Designer (UI template editor). Templates have a JSON document representation, which makes theme easy to understand and easy to work with.
    Downloads: 9 This Week
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  • 5
    PO UI

    PO UI

    Angular component library

    ...It emphasizes productivity by offering ready-to-use components that reduce development time and enforce best practices in UI design. po-angular is designed with scalability in mind, supporting large applications with complex workflows and data structures. It also integrates well with Angular’s architecture, ensuring compatibility with services, routing, and state management patterns.
    Downloads: 6 This Week
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  • 6
    Better Auth

    Better Auth

    The most comprehensive authentication library for TypeScript

    ...It provides a comprehensive set of features out of the box and includes a plugin ecosystem that simplifies adding advanced functionalities with minimal code in a short amount of time. Whether you need 2FA, multi-tenant support, or other complex features. It lets you focus on building your actual application instead of reinventing the wheel.
    Downloads: 2 This Week
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  • 7
    Valibot

    Valibot

    Modular and type safe schema library for validating structural data

    Valibot is a modular and type-safe schema library for validating structural data. It provides developers with tools to define and enforce data schemas, ensuring data integrity and consistency across applications.​
    Downloads: 0 This Week
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  • 8
    Testcontainers node

    Testcontainers node

    Supports tests, providing lightweight, throwaway instances of database

    ...With support for many languages and testing frameworks, all you need is Docker. Use a containerized instance of your database to test your data access layer code for complete compatibility, without requiring a complex setup on developer machines. Trust that your tests will always start with a known state. Use containerized web browsers, compatible with Selenium, to run automated UI tests. Each test gets a fresh, clean instance of the browser, without having to worry about variations in plugins or required updates.
    Downloads: 3 This Week
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  • 9
    dockview

    dockview

    Zero dependency docking layout manager supporting tabs

    dockview is a zero-dependency docking layout manager written in TypeScript that enables developers to create highly dynamic, IDE-like interfaces with draggable panels, tabs, and resizable layouts. It supports multiple layout paradigms, including split views, grid layouts, and dockable panels, allowing complex UI arrangements similar to tools like Visual Studio Code. The library is framework-agnostic at its core, with official bindings for React, Vue, and Angular, as well as support for vanilla TypeScript. Dockview includes advanced features such as floating panels, popout windows, and persistent layout serialization, enabling users to save and restore custom workspace configurations. ...
    Downloads: 3 This Week
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  • 10
    mobx-backend

    mobx-backend

    Backend framework designed to streamline the development of apps

    ...It is designed to integrate with modern frontend ecosystems, enabling seamless full-stack development workflows. The project emphasizes simplicity while still providing enough flexibility for complex applications. It allows developers to organize code into reusable modules, improving collaboration and scalability. Overall, mobx-backend offers a practical foundation for building backend systems with a clean and organized architecture.
    Downloads: 0 This Week
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  • 11
    PrimeNG

    PrimeNG

    The most complete Angular UI component library

    ...With the exclusive services of Pro account, you no longer need to post your questions in the community forum and your issues to community issue tracker. Allocate your valuable time on business logic rather than dealing with the complex user interface requirements.
    Downloads: 1 This Week
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  • 12
    IDB-Keyval

    IDB-Keyval

    A super-simple-small promise-based keyval store

    ...It includes single and batch operations for reading, writing, and deleting data, along with clear, key, value, and entry helpers. Its update helper queues changes to avoid common non-atomic read-modify-write problems. Custom stores are supported, while more complex indexing, iteration, transactions, and schema management are intentionally left to fuller IndexedDB libraries.
    Downloads: 0 This Week
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  • 13
    react-teleporter

    react-teleporter

    Teleport React components in the same React tree

    React Teleporter is a small library for rendering content from one component into a target located elsewhere in the same React tree. It is designed for complex layouts where a page needs to configure areas such as headers, status bars, toolbars, or footers. Developers create a teleporter that exposes Source and Target components, then place each one where its responsibility belongs. Targets can render as different elements, receive forwarded props, or use a custom target reference. An optional multi-source mode combines content from several sources inside one destination. ...
    Downloads: 0 This Week
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  • 14
    Glob

    Glob

    glob functionality for node.js

    Glob is a widely used JavaScript library that implements file path pattern matching using glob syntax, enabling developers to efficiently locate files and directories that match wildcard expressions. It provides functionality similar to Unix shell globbing but is designed to work consistently across platforms within Node.js environments. The library supports complex patterns such as recursive directory matching, brace expansion, and character ranges, making it suitable for build tools, CLIs, and automation scripts. node-glob is optimized for performance and reliability when traversing large file trees, and it exposes both asynchronous and synchronous APIs. Because of its maturity and flexibility, it is a foundational dependency in many JavaScript tooling ecosystems. ...
    Downloads: 0 This Week
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  • 15
    Notifee Notifications

    Notifee Notifications

    A feature rich notifications library for React Native

    Notifee enables developers to rapidly build rich notifications with a simple API interface, whilst taking care of complex problems such as scheduling, background tasks, device API compatibility & more. Manage the applications channels (Android) and categories (iOS), allowing you to customize how notifications behave when they are displayed on the device. Present & handle quick actions alongside your notification content. Actions can be handled in the background or foreground with JavaScript code! ...
    Downloads: 0 This Week
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  • 16
    TS-Pattern

    TS-Pattern

    The exhaustive Pattern Matching library for TypeScript

    ts-pattern is an open-source TypeScript library that introduces expressive, type-safe pattern matching for handling complex conditional logic. It allows developers to replace lengthy switch statements and nested conditionals with concise declarative expressions. The library supports matching primitive values, nested objects, arrays, tuples, maps, and sets. Its advanced TypeScript inference automatically narrows types based on matched patterns, reducing the need for manual assertions. ...
    Downloads: 0 This Week
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  • 17
    Vue DevUI

    Vue DevUI

    UI components based on Vue3 and DevUI Design

    ...It also supports on-demand component importing, which helps reduce bundle size and improve performance. The design philosophy focuses on usability and scalability, particularly for complex business interfaces such as dashboards and admin panels.
    Downloads: 0 This Week
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  • 18
    Reshaped

    Reshaped

    Professionally crafted React & Figma components

    ...It is designed to help teams build scalable, consistent user interfaces by providing a shared source of truth between designers and developers. The library includes a wide range of production-ready components, from basic inputs and buttons to more complex elements such as tables, calendars, and data visualization tools. A key strength of Reshaped is its emphasis on accessibility, responsiveness, and theming, ensuring that interfaces meet modern usability standards while remaining adaptable to different product needs. The project is structured into multiple packages, including styled components, headless components, and framework-agnostic utilities, allowing developers to choose the level of abstraction that best fits their workflow.
    Downloads: 0 This Week
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  • 19
    Element Plus

    Element Plus

    A Vue.js 3 UI Library made by Element team

    ...The library offers a cohesive design system along with a large collection of components such as forms, tables, navigation elements, and data visualization tools, enabling developers to build complex interfaces efficiently. It supports multiple build systems and modern development environments, making it adaptable to different workflows and project setups. Element Plus also includes internationalization support, theming capabilities, and a strong emphasis on usability and accessibility. Its ecosystem includes tools for migration, component playgrounds, and starter templates that simplify onboarding and development.
    Downloads: 0 This Week
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  • 20
    assistant-ui

    assistant-ui

    Typescript/React Library for AI Chat

    ...It provides a set of composable UI primitives that allow developers to construct fully customized conversational experiences without relying on monolithic components. The library handles complex behaviors such as streaming responses, auto-scrolling, accessibility, and real-time updates out of the box. It is designed to integrate with a wide range of AI backends and providers, making it highly flexible for different architectures. The system also supports advanced features like tool rendering, attachments, and interactive UI elements, enabling rich user experiences. ...
    Downloads: 0 This Week
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  • 21
    next-view-transitions

    next-view-transitions

    Use CSS View Transitions API in Next.js App Router

    The next-view-transitions project is a library that brings the CSS View Transitions API into Next.js applications using the App Router. It enables smooth, animated transitions between pages without requiring complex animation logic or external libraries. By wrapping application layouts with a dedicated component, developers can automatically apply transition effects when navigating between routes. The library also provides a custom Link component and hooks that integrate seamlessly with Next.js routing APIs. It is designed for simplicity, targeting common use cases while leaving room for more advanced features to be implemented in the future. ...
    Downloads: 0 This Week
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  • 22
    Sera UI

    Sera UI

    UI component library for React, Next.js, and other JSX frameworks

    ...It also integrates animation capabilities through Framer Motion, enabling smooth transitions and micro-interactions that enhance user experience without requiring complex implementation.
    Downloads: 0 This Week
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  • 23
    Naive UI

    Naive UI

    A Vue 3 Component Library. Fairly Complete. Theme Customizable

    ...The library includes more than 90 components covering a wide range of interface needs such as forms, data displays, navigation elements, and feedback components, allowing developers to build complex applications efficiently. It is fully written in TypeScript, ensuring type safety and seamless integration with TypeScript-based projects. One of its defining characteristics is its advanced theming system, which allows developers to customize the appearance of components without relying on traditional CSS preprocessors or configuration-heavy setups. ...
    Downloads: 0 This Week
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  • 24
    Nano Events

    Nano Events

    Simple and tiny (107 bytes) event emitter library for JavaScript

    ...Its goal is to provide the simplest possible API to add pub/sub capabilities (emitters and listeners) to any JS object or application, while keeping overhead and bundle size extremely small. Rather than offering many complex features, nanoevents focuses on the core primitives: creating an emitter, subscribing to named events, emitting events with arbitrary data, and unsubscribing. Because of its minimal API surface and implementation, it’s very easy to integrate into frontend or backend JS/TypeScript projects without introducing significant dependencies or weight. ...
    Downloads: 0 This Week
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  • 25
    type-fest

    type-fest

    A collection of essential TypeScript types

    type-fest is a TypeScript utility types library that offers a curated, battle-tested suite of type definitions and type transformations that aren’t included in the TypeScript standard library. It provides types like Except, Merge, LiteralUnion, Writable, Promisable, PartialDeep, JsonObject, and many others that solve everyday typing needs in complex TypeScript codebases. Developers pull in just the types they need, which makes code more expressive and safer without reinventing tricky type logic. Because many of the types in type-fest are things “that should have been built-in,” it’s widely adopted across TypeScript projects that need more advanced static typing capabilities. ...
    Downloads: 0 This Week
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