JavaScript/React Libraries

GraphQL toolkit for Elixir

Powerful and pragmatic web framework for Rust

Ergonomic and modular web framework from the Tokio team

High-level full-stack web framework with batteries included

Minimalist and extensible web framework for Go

Modern, fast web framework for building APIs with Python 3.7+

Express.js-inspired web framework for Go

Lightweight and flexible web microframework for Python

High-performance HTTP web framework for Go

Asynchronous framework for building web applications in Kotlin

Elegant PHP web framework with expressive syntax

Productive and reliable web framework for Elixir

Reactive and high-velocity web framework for Scala and Java

Full-stack web framework that prioritizes convention over configuration

Framework for creating interactive web applications with R

Minimalist and flexible web framework for Ruby

Framework for creating production-ready Java applications

Professional PHP framework for robust web applications

Server-side web framework for Swift

Rails ORM with Active Record pattern

Safe and extensible ORM for Rust

Mature and powerful ORM for PHP

Database toolkit and query DSL for Elixir

Modern cross-platform ORM for .NET

ORM framework and SQL DSL for Kotlin by JetBrains

Fantastic full-featured ORM for Golang

Mature and powerful ORM for Java with JPA

Simplified data access for Spring with repositories

Powerful and flexible ORM and SQL toolkit for Python

Enterprise grid with all features included

Functional programming library for Kotlin

Object-to-object mapping library for .NET

Functional abstractions library for Scala

Modular date utility library for JavaScript

Lightweight Moment.js alternative with compatible API

Flexible authentication solution for Rails

Modern drag and drop toolkit for React

Code generator for immutable data classes in Dart

Simple service locator for Dart and Flutter

Google core libraries for Java with collections and utilities

SVG icons from the Tailwind CSS team

Image downloading and caching library for Swift

Pragmatic dependency injection framework for Kotlin

Library that reduces Java boilerplate with annotations

Feather Icons fork with more icons and better maintenance

Modern date library from the creator of Moment.js

Simple Mediator pattern implementation for .NET

Rich data visualization library built on D3

Framework-agnostic drag and drop library by Atlassian

Lightweight and customizable toasts with promises API

Toast notification system with many options

Ready-to-use virtualization components with advanced features

Declarative charting library built on D3 for React

DSL for Auto Layout in Swift

Minimalist and elegant toast library for React

Headless UI for powerful tables with sorting, filtering and pagination

Headless virtualization for massive lists and grids

Complete configuration solution for Go applications

Collection of visualization primitives by Airbnb

Dashboard components and charts for React with Tailwind

Toolkit for building concurrent and distributed systems in Scala

Distributed task queue for asynchronous processing

Official asynchronous concurrency library for Kotlin

Official Apache Kafka client for Java

Robust background job processor for Elixir

Data parallelism library for Rust

Efficient background job processor for Ruby

Asynchronous runtime for reliable Rust applications

Type-safe effects and concurrency library for Scala

Elegant HTTP client for Swift

Powerful HTTP client for Dart with interceptors and FormData

High-performance gRPC implementation for Go

Extensible and powerful PHP HTTP client

Modern async HTTP client for Python

Modern and efficient HTTP client for Java and Android

Elegant and simple HTTP client for Python

Ergonomic HTTP client for Rust

Type-safe HTTP client for Android and Java by Square

Enterprise-level React components by Alibaba

Accessible components with built-in styling and theming system

Modern React components with built-in hooks and utilities

Most popular React component library implementing Material Design

Beautiful and modern React UI library with Tailwind CSS

Unstyled accessible UI primitives for building design systems

Copy-paste components built on Radix UI and Tailwind CSS

Complete GraphQL state management solution

React hooks for data fetching with stale-while-revalidate strategy

Async state manager for data fetching with caching and sync

End-to-end type-safe APIs without code generation

Content-first framework with Islands Architecture and zero JS by default

React-based static site generator (declining)

Full-stack React framework with App Router and Server Components

Full-stack framework merged with React Router v7

Zero-config animations for web apps with one line of code

Production-ready animation library for React

Professional animation platform with scroll and SVG support

Physics-based animation library for natural motion

Command line argument parser for Rust

Library for creating powerful CLI applications in Go

High-performance micro-ORM for .NET

Fast and easy-to-use mobile database for Swift

Async SQL client with compile-time query verification

Tabular data manipulation in Julia

Grammar of data manipulation for R

Fundamental library for numerical computing in Python

High-performance data analysis and manipulation library

Collection of R packages for data science

Performant CSS-in-JS library with multiple APIs

Zero-runtime CSS-in-JS from the Chakra UI team

CSS-in-JS with tagged template literals and theming

Meta's solution that powers Facebook, Instagram and WhatsApp

Utility-first CSS framework that dominates modern frontend

CSS-in-TypeScript with full type safety and zero-runtime

Validation library with fluent API for .NET

Data validation using Python type hints

Predictable state management library for Flutter using BLoC pattern

Atomic state management inspired by Recoil but simpler

Reactive state management with observables and computed values

Official, opinionated Redux toolset with simplified patterns

Reactive and safe state management framework for Flutter

State machines and statecharts for complex UI logic

Minimalist state management for React with hooks-based API

Elegant machine learning library for Julia

Flexible and dynamic deep learning framework by Meta

Simple and efficient traditional machine learning library

Open-source machine learning platform by Google

Popular form library with controlled inputs and validation

Performant forms with minimal re-renders using uncontrolled inputs

Schema validation library with chained API

TypeScript-first schema validation with static type inference

Elegant graphics system based on grammar of graphics for R

2D visualization and plotting library for Python

Unified visualization interface for Julia

Powerful and flexible HTTP router for Go

Standard React routing library now merged with Remix

Type-safe router with first-class search params support

High-performance JSON processing library for Java

Serialization and deserialization framework for Rust

Industry standard JavaScript testing framework by Meta

Modern testing framework for Java and the JVM

Flexible and comprehensive testing framework for Kotlin

Elegant mocking framework for Java unit tests

API mocking library that intercepts requests at network level

Popular and mature testing framework for .NET

Elegant testing framework with minimalist syntax for PHP

Standard unit testing framework for PHP

E2E testing framework by Microsoft for modern web apps

Mature and complete testing framework for Python

BDD testing framework for Swift

Testing library focused on user behavior rather than implementation

BDD testing framework for Ruby

Testing toolkit with assertions and mocks for Go

Fast unit testing framework powered by Vite

Modern testing framework for .NET

Structured logging for .NET with extensible sinks

Simple logging facade for Java with multiple backends

Instrumentation framework for Rust applications

High-performance structured logger for Go