Open-source alternatives to React Cursor

Little State Machine is a lightweight state management library for React applications that provides a centralized data store for managing shared application information. It utilizes a context-based provider pattern to distribute state across the component tree, ensuring consistent data access without the need for manual property drilling. The library distinguishes itself through built-in support for automatic browser storage persistence, which synchronizes the in-memory state with local or session storage to maintain data continuity across page refreshes. It also incorporates middleware-drive

Easy-peasy is a React state management library and typed framework that provides a centralized store for managing global application state. It functions as an immutable state store and an async state orchestrator, ensuring end-to-end type safety for state definitions, actions, and derived values. The library distinguishes itself by converting direct mutation syntax into immutable updates to simplify the management of nested data. It includes a mechanism for persisting the state tree to storage and rehydrating it during the application boot process, with the ability to suspend the user interfa

This repository serves as a comprehensive knowledge base and study guide for developers preparing for technical assessments and job screenings focused on React. It provides a structured collection of common industry inquiries and answers designed to build proficiency in the core concepts and patterns required for modern web interface development. The resource covers the fundamental pillars of the library, including component-based architecture, declarative rendering, and unidirectional data flow. It details essential patterns for managing both local and global application state, as well as te

Effector is a reactive state management library designed for building complex, event-driven applications. It functions as a data flow engine that models application logic as a directed acyclic graph, ensuring that state updates propagate automatically through interconnected nodes. By utilizing atomic state updates and declarative unit composition, the library maintains data consistency and provides a predictable execution model for managing application state. The project distinguishes itself through its framework-agnostic architecture, which decouples business logic from user interface implem

Akita is a JavaScript state management library that provides a system for managing application data and user interface state. It utilizes an observable data store and immutable state containers to synchronize data across interfaces, employing an entity state manager to handle flat collections of objects with unique identifiers. The project distinguishes itself through a comprehensive history management system that supports both global application-wide state reversal and granular, per-entity undo and redo functionality. It also includes a client-side data cache with time-to-live settings to pr

Reagent is a framework for building web user interfaces using ClojureScript and React.js. It enables a functional programming approach to declarative UI design, where HTML structures and component hierarchies are defined using vector-based Hiccup syntax instead of JSX. The project differentiates itself through a reactive state management system based on atoms. It tracks which components dereference specific state atoms to trigger automatic re-renders and provides state cursors to isolate updates to specific paths of a larger state atom. It also includes utilities for wrapping native JavaScrip

Frontend boilerplate is a starter template for building single-page applications with React, Redux, and Webpack. It provides a preconfigured project structure and toolchain designed to help developers begin creating client-side web applications immediately. The project incorporates a frontend build pipeline utilizing Webpack, Babel, and PostCSS for compiling scripts and styles. It supports modular state management through centralized stores and reactive update patterns, view navigation through routing, and scoped CSS styling to prevent class name leakage across components. Additional develo

This library provides a collection of hooks for integrating GraphQL data operations into functional components within the Apollo Client ecosystem. It functions as a state management tool that synchronizes remote server data with local component state, ensuring consistent data representation across the user interface. The project distinguishes itself by enabling server-side rendering through a framework of utilities that pre-fetch data and resolve component trees to deliver fully populated HTML. It utilizes a provider-based pattern to inject the data client into the component tree, allowing ne

Workflow is a cross-platform architectural framework for building deterministic unidirectional state machines and user interfaces in native mobile applications. Available as libraries for both Kotlin and Swift, the framework manages application state and screen navigation using composable state machines that direct data in a single direction from source to interface while routing user actions back to business logic. The architecture models screen navigation as nested presenter states and recursive component hierarchies rather than separate routing logic. Complex application features are buil

RIBs is a mobile architecture framework that structures applications around isolated, lifecycle-managed units of business logic called RIBs. Each RIB separates routing, business logic, and construction into distinct classes through the Router-Interactor-Builder pattern, with hierarchical dependency injection scoping dependencies per node and static analysis enforcing architectural rules at build time. The framework enforces automatic disposal of Rx subscriptions scoped to interactor lifecycles, blocking compilation when subscriptions lack proper disposal to prevent memory leaks. It supports v

deepstream.io is an open-source realtime server that synchronizes JSON records, events, and remote procedure calls across clients and backend services. It functions as a realtime data sync server, event pub/sub server, record database server, and RPC server, all within a single platform. The server authenticates and authorizes every message using multiple strategies including JWT, HTTP, and file-based credentials, with a declarative permission language controlling access to records, events, and RPCs at a granular level. The platform distinguishes itself through its combination of realtime dat

This project is an interactive learning platform designed for mastering component-based user interface patterns and state management using the React library. It functions as a frontend development tutorial and course, providing a guided environment for learning declarative rendering and virtual DOM concepts. The platform distinguishes itself through a live-reload coding environment and a split-view interface for real-time code validation. These tools allow learners to compare their live code output against target solutions and use guided source-code markers to identify required edits and crit

This project is a React learning resource consisting of starter files and reference projects. It provides a collection of full stack React project templates and component library examples to demonstrate the construction of interactive user interfaces and single page applications. The resource includes a state management guide covering the use of hooks, reducers, and context providers. It features practical implementations for managing local component state, synchronizing global application data, and handling complex state transitions. The material covers full stack web development, including

React Easy State is a state management library for React that utilizes the observable store pattern to synchronize user interface components with application data. It employs ES6 proxies to wrap plain JavaScript objects, enabling the system to monitor data mutations and automatically trigger component re-renders whenever accessed properties are modified. The library distinguishes itself through a transparent reactive system that eliminates the need for explicit data binding or boilerplate code. By tracking dependencies during the rendering process, it ensures that components only update when

React Refresh Webpack Plugin is a development tool that enables live reloading of React components while preserving their local state during development. It integrates with build processes to instantly update component code without losing user state or session data, while also offering options to clear and reinitialize component state when unstable interfaces need clean recovery. The plugin manages updates and state preservation in the browser by intercepting the bundling lifecycle, applying abstract syntax tree transformations to inject metadata and preamble hooks, and communicating with mod

This project is a collection of architectural guidelines and design patterns for building applications with the React library. It provides a framework for organizing frontend architecture, component design standards, and state management strategies to reduce technical debt and complexity. The guide emphasizes a modular approach to component design, focusing on the separation of business logic from the user interface and the use of primitive props to ensure single responsibility. It advocates for a testing philosophy centered on user behavior and integration outcomes rather than internal imple

Constate is a global state management tool for React designed to minimize unnecessary component re-renders. It functions as a state manager and optimization tool that utilizes specialized contexts to organize shared data across a component tree. The library distinguishes itself through a state-slicing provider pattern, which splits global state into multiple contexts to isolate data dependencies. It includes a state selector system that allows components to extract specific slices of global state, ensuring interface updates only occur when the selected data dependencies change. The project c

use-immer is a React hook library that provides an immutable state hook for updating complex state objects. It integrates Immer state management into the React component lifecycle, allowing developers to handle state transitions by modifying a draft object rather than manually copying state. The library enables the update of deeply nested data structures without the use of spread operators to copy every level of the state tree. It uses a mutation-based draft approach to ensure that the original state remains untouched while producing a new immutable version of the data. The project covers ge

react-basic provides a conceptual implementation of the React model, focusing on a component-based UI architecture. It employs pure functions to transform raw data into structural interface representations and uses a declarative system for managing UI state and hierarchical data distribution. The project distinguishes itself through specialized caching strategies, including tree-based result caching that stores values based on the structural position of elements. It also features a mechanism for deferred function execution to remove boilerplate from business paths and supports the isolation o

This project is an open-source educational resource and technical guide focused on React.js. It serves as a learning platform and curriculum for mastering frontend web development through structured tutorials and hands-on coding exercises. The resource specifically focuses on component architecture and the creation of modular, reusable user interfaces. It provides guidance on implementing unidirectional data flow and managing the lifecycle of interactive components. The curriculum covers core capabilities including state management patterns and the implementation of global stores. It transla

re-frame is a functional framework for building single-page applications in ClojureScript. It provides a centralized, immutable database that serves as the single source of truth for the entire application state, enforcing a strict unidirectional data flow where events trigger state transitions and subsequent view updates. The framework distinguishes itself through a reactive signal graph and an interceptor-based middleware pipeline. By treating application logic as a sequence of data-driven events and declarative side effects, it decouples business logic from the view layer. This architectur

Vuex is a centralized state management library for Vue.js applications. It provides a single source of truth for application data, ensuring consistent state across a component tree through a reactive data store. The system organizes the global state tree into independent, namespaced modules to prevent naming collisions and maintain code organization. It distinguishes between synchronous mutations for predictable state transitions and asynchronous actions for handling complex operations. The library includes cached getters for derived state, store lifecycle hooks for mutation interception, an

Redux is a JavaScript state management library that serves as a centralized state container for application data. It operates as a predictable state machine, maintaining the entire application state in a single immutable object tree to ensure a consistent source of truth. The library enforces a unidirectional data flow architecture where the state is read-only and can only be modified by dispatching action objects. State transitions are calculated by applying pure reducer functions to the current state and a specific action, ensuring that data updates are deterministic and trackable. The sys

This project is a state management framework for Angular applications that provides a predictable state container. It implements a Redux-style architecture using a centralized store, managing global and local application data through an observable-based data flow of actions and reducers. The framework includes a specialized entity management tool for organizing and synchronizing server-side data collections within client-side stores. It also provides a reactive store system that integrates state updates with Angular signals for change detection and includes debugging mechanisms for time-trave

Arrow is a functional programming library for Kotlin that provides tools for implementing data-oriented programming patterns. It serves as a framework for typed error handling, a concurrency toolkit, and a library for the manipulation of immutable data. The project distinguishes itself through specialized capabilities for managing application failures using explicit types instead of exceptions and implementing resilience patterns such as circuit breakers and retry policies for distributed services. It also provides optics to update and query deeply nested immutable data structures without man

React Redux is a set of official bindings and integration layers that connect a Redux global state container to a React user interface. It functions as a state synchronization library and a communication bridge, allowing components to read state and dispatch actions to a centralized store. The project decouples business logic from the view layer, ensuring that the user interface automatically updates whenever the underlying global state changes. It manages complex data flows by linking the UI to a central state container to share data across different components and screens. The library impl

Hyperapp is a lightweight JavaScript framework for building web applications. It functions as a declarative state management system that synchronizes the user interface with a centralized application state. The framework utilizes a virtual DOM to render user interfaces and reconcile changes to the browser display. It employs a subscription model to synchronize external web APIs and asynchronous events with the global state. The system manages data through a single-state-tree architecture, where updates are handled via discrete actions and pure functions. This approach ensures that the view u