Open-source alternatives to Use Immer

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

React Cursor is a state management library for React applications that maintains centralized application state through hierarchical cursor paths and immutable data modeling. It stores all application data in a single root location, keeping downward component trees stateless and predictable. The library enables path-based cursor refinement, allowing developers to drill down through recursive data structures to create localized child cursors pointing to specific nested substructures. Modifications are propagated upward by generating new immutable state trees using pure function updates applied

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

react-use is a collection of reusable state and effect hooks for managing common logic in React applications. It serves as a comprehensive library for implementing state management patterns and wrapping various browser APIs into consistent hook interfaces. The project provides a specialized toolkit for DOM interaction and browser API integration, allowing components to track element dimensions, manage cookies, and monitor hardware sensors. It includes a suite of animation and timing utilities for physics-based numeric interpolation and frame-synced state updates. Beyond basic state managemen

React is a JavaScript library for building user interfaces based on a component-driven architecture and unidirectional data flow.

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

Immutable.js is a library of persistent data structures and a functional state management toolkit. It provides a collection of immutable objects and arrays that prevent direct mutation to ensure predictable state management in JavaScript applications. The library utilizes structural sharing to efficiently create new versions of data without full copying and implements lazy sequence processing to chain data transformations that execute only when values are requested. It also supports batch mutation processing, allowing multiple changes to be applied to a temporary mutable copy before returning

Redux is a predictable state container designed to manage global application data through a centralized store. It operates on a unidirectional data flow architecture where state transitions are triggered by dispatching action objects, which are then processed by pure reducer functions to produce a new, immutable state tree. This approach ensures that application data remains consistent and traceable across the entire component hierarchy. The library distinguishes itself through a functional pattern that relies on pure functions for state logic and a middleware-based extension system. This mid

This project is a reactive, offline-first NoSQL database engine designed for JavaScript applications. It provides a robust framework for managing application state by synchronizing data across browsers, mobile devices, and server-side runtimes. By treating local storage as the primary source of truth, it enables applications to remain functional without network connectivity, automatically reconciling changes with remote backends once a connection is restored. The database distinguishes itself through a modular architecture that supports cross-environment synchronization and high-performance d

This is a Dart state management library and architectural framework that decouples business logic from the user interface by transforming a stream of events into a stream of states. It implements a business logic component pattern to ensure that state transitions are predictable and testable. The project distinguishes itself through advanced event stream processing, providing concurrency strategies to drop, restart, or queue incoming events. It includes a dedicated state persistence layer for saving and restoring application state to maintain session continuity, as well as tools for state his

Rematch is a Redux state management framework and model orchestrator designed to organize application state into cohesive units. It functions as an asynchronous state workflow manager that bundles reducers and side effects into modular models to reduce the boilerplate typically required for Redux implementations. The framework provides an extensible plugin architecture for injecting custom behavior and configuration into the store lifecycle. It supports a multi-store application architecture, allowing for the creation and management of several independent state containers within a single appl

This project is an implementation of React Server Components, providing a full-stack component architecture that blends server-side rendering with client-side interactivity. It enables the development of web applications where server-only components for data fetching and interactive client components coexist within a single component tree. The system focuses on server-client data orchestration, allowing for the execution of server functions and database mutations across the network boundary. It distinguishes itself through a hybrid component architecture that shifts component execution to the

Kepler.gl is a web-based geospatial visualization framework designed for rendering large-scale location datasets. It functions as a modular React mapping component that enables developers to embed interactive, high-performance geographic visualizations into web applications, serving as a comprehensive engine for building browser-based GIS dashboards. The library distinguishes itself through a highly extensible architecture that centers on centralized state management. By utilizing a predictable state-driven model, it allows for the programmatic control of map layers, filters, and viewport set

Jotai is a state management library for React applications that utilizes an atomic model to handle data. It organizes application state into small, independent units called atoms, which automatically track dependencies and trigger granular updates to components. By building state through these composable primitives, the library ensures that only the necessary parts of an application re-render when data changes. The library distinguishes itself through its flexible approach to state composition and asynchronous data handling. It integrates promises directly into the state model, allowing devel

This project provides a React hook for synchronizing component state with browser storage, ensuring data persists across page reloads and browser sessions. It is designed to manage persistent application state while providing hydration-safe initialization to prevent mismatches during the transition from server-side rendering to client-side execution. The library distinguishes itself by including a fallback manager that detects when browser storage is inaccessible, automatically switching to an in-memory state to maintain application continuity. It also supports cross-tab synchronization by li

Pro Components is a collection of high-level React components built on Ant Design for creating enterprise-grade administrative interfaces. It serves as a specialized component suite and UI framework designed for building complex business dashboards and internal tools. The library functions as a visual interface builder that allows for the composition of professional web pages through declarative configurations and visual design patterns. It enables the creation of interface components using visual configuration tools to simplify the layout and styling process. The framework covers the constr

unstated-next is a lightweight state management library for React that shares state and logic across components. It functions as a tool to transform custom hooks into shared state containers, providing a minimalist approach to synchronizing data without the use of complex external state stores. The project uses a provider-consumer pattern to decouple state definition from its usage. It wraps custom hooks into context containers to reduce manual boilerplate, allowing state and methods to be broadcast from a central provider to deeply nested child components. The system supports state containe

usehooks-ts is a comprehensive collection of reusable TypeScript-based hooks designed for managing state, DOM events, and browser API interactions within React applications. It provides a typed library of functions to handle common frontend patterns and side effects. The project distinguishes itself by offering specialized hooks for browser integration, including tools for interacting with the system clipboard, managing local and session storage persistence, and loading external scripts. It also includes utilities for responsive UI development, such as tracking media queries, window dimension

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

This project is a comprehensive collection of reusable code snippets, custom hooks, and implementation patterns for building user interfaces with React. It serves as a library of short examples designed to solve common development tasks, ranging from state management to DOM integration. The collection provides a wide array of specialized utilities for interacting with browser APIs, including window dimension tracking, media query evaluation, and online status monitoring. It also includes practical guides and snippets for performance optimization, such as memoization, lazy loading, and state c

This library provides a collection of strongly typed hooks designed to manage asynchronous tasks, component state, and DOM interactions within user interfaces. It serves as a utility toolkit for tracking data changes, caching asynchronous results, and synchronizing references across both server and browser rendering environments. The project distinguishes itself by offering specialized mechanisms for regulating high-frequency user inputs through debouncing and throttling techniques. It simplifies complex browser interactions, such as keyboard shortcuts, clipboard access, and viewport visibili

This library provides a collection of reusable hooks designed to manage state, side effects, and browser interactions within React applications. It functions as a toolkit for handling asynchronous data fetching and complex component logic, offering a set of type-safe utilities that reduce boilerplate code and improve maintainability. The library distinguishes itself through its focus on isomorphic lifecycle synchronization, ensuring consistent behavior across client and server environments to prevent hydration mismatches. It employs ref-based closure stabilization to ensure that asynchronous

This project is a comprehensive library of reusable React hooks designed to simplify browser API integration, state management, and component lifecycle tracking. It provides a declarative interface for managing complex browser interactions, allowing developers to encapsulate imperative logic into modular, composable functions that integrate directly with the component lifecycle. The library distinguishes itself by offering specialized utilities for asynchronous data orchestration, including built-in caching, retry logic, and loading state management. It also features advanced performance opti

This project is a collection of reusable React hooks designed to wrap browser APIs, manage state persistence, and handle DOM observation. It provides a consistent interface for integrating native browser capabilities directly into the React component lifecycle. The library includes specialized toolkits for monitoring the browser environment, such as window resizing, network connectivity, and viewport visibility. It also provides mechanisms for managing execution timing through debouncing, throttling, and the control of timeouts and intervals. Additional capabilities cover state management wi

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

This project is a comprehensive functional programming curriculum and learning resource for Haskell. It provides sequenced educational paths and technical reference guides designed to take developers from beginner to advanced levels of proficiency. The project distinguishes itself through a deep focus on theoretical and technical foundations, offering detailed studies on type theory, category theory, and runtime internals. It includes a dedicated performance handbook for optimizing execution speed and memory management, as well as an ecosystem guide for managing development tools and editor c

Recoil is an atomic state management framework and library for React. It functions as a state container that breaks application data into independent units called atoms to minimize unnecessary component re-renders. The system integrates with React hooks to provide a reactive state store. It utilizes a graph-based approach to data flow, employing a dependency graph to track relationships between state units and propagate updates automatically. The library coordinates global state across complex component trees, enabling independent components to communicate and share data without manual prop