Open-source alternatives to Angular.js

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

Avalon is a client-side MVVM JavaScript framework that binds model data to DOM elements and automatically updates views when state changes. It functions as a component-based UI framework, encapsulating markup, logic, and styles into reusable custom components that can be composed across pages, while also serving as a virtual DOM diffing engine that computes minimal DOM updates by comparing lightweight in-memory view tree snapshots. The framework distinguishes itself through a template directive compiler that transforms declarative HTML attributes like ms-repeat and ms-if into executable view

Nest is a server-side framework for building scalable and maintainable enterprise-grade applications using TypeScript. It provides a modular architecture that organizes code into encapsulated, reusable modules, utilizing a dependency injection container to manage object lifecycles and resolve component dependencies through declarative metadata. The framework distinguishes itself through a platform-agnostic abstraction layer that decouples core logic from underlying HTTP servers, allowing for flexible implementation choices. It employs a middleware-based request pipeline that processes traffic

Vue is a progressive JavaScript framework designed for building modular, reactive user interfaces. It utilizes a component-based architecture that allows developers to encapsulate logic, templates, and styles into reusable units. At its core, the framework employs a virtual DOM renderer and a proxy-based reactivity system to synchronize application state with the document object model efficiently. What distinguishes this framework is its focus on developer experience and flexibility. It supports a single-file component format that colocalizes related concerns, alongside a powerful composition

Backbone is a JavaScript MVC framework and client-side data orchestrator used to structure web applications. It functions as an event-driven UI library and RESTful state manager that synchronizes data models with remote JSON interfaces to maintain consistent application state. The framework coordinates communication between application components through a decoupled event system. It binds data updates directly to the document object model, ensuring that the user interface remains synchronized with the underlying state. It provides tools for frontend data organization, allowing developers to

Knockout is a client-side UI library and JavaScript framework used to create responsive web interfaces. It functions as a declarative data binding library and an observable data model system that decouples business logic from the document object model. The project implements the Model-View-ViewModel pattern to separate application logic from the user interface. It synchronizes data models with visual views by linking internal JavaScript properties to HTML elements, allowing the interface to update automatically when underlying data changes. The framework provides capabilities for dynamic fro

Mithril.js is a JavaScript framework for building single page applications. It functions as a virtual DOM library and reactive UI framework, providing a system to synchronize application state with visual elements to ensure interfaces update instantly. The toolkit includes a built-in client side router that maps browser URL paths to specific components without reloading the page. It also features an integrated HTTP request client for performing asynchronous network calls to remote APIs for data retrieval and transmission. The framework covers broad capabilities for frontend development, incl

This project is a cross-platform mobile framework that enables the development of native iOS and Android applications from a single codebase. It utilizes a declarative component-based model where developers define user interfaces using a syntax extension that maps directly to underlying platform-native view primitives. By decoupling application logic from the host platform's main thread, the framework maintains a consistent native view hierarchy while ensuring that JavaScript execution remains independent of UI rendering. The framework distinguishes itself through a robust bridge architecture

Laravel is a comprehensive full-stack web framework designed for building scalable server-side applications. It provides an integrated development environment that centers on an object-relational mapper for database abstraction, a robust routing system, and a sophisticated service container for dependency injection. The framework is built to handle complex application requirements through a modular architecture that emphasizes convention over configuration. What distinguishes Laravel is its deep integration of background processing and event-driven communication. It features a task queue orch

This project is a full-stack JavaScript application generator and framework that integrates MongoDB, Express, AngularJS, and Node.js. It provides a Node.js backend framework for managing request routing and middleware, paired with an AngularJS frontend boilerplate and a NoSQL database for rapid web application development. The framework distinguishes itself through extensive automation and scaffolding. It includes a generator for creating CRUD modules, controllers, models, and the necessary directory structures for both frontend and backend components. It also implements secure identity manag

Vuido is a framework for building native desktop applications for Windows, macOS, and Linux using Vue.js components, without requiring Electron or Chromium. It maps Vue components directly to native widgets from the libui library, creating lightweight applications that run on a single-threaded event loop and compile templates at build time for optimized runtime performance. The framework provides a complete Vue.js component-to-native bridge, enabling two-way data binding via v-model, component-based window composition, and platform-specific package generation for distributing executables. It

TodoMVC is a web application specification and a JavaScript framework comparison suite. It provides a standardized set of requirements used to generate feature-complete task-tracking applications across different languages and frameworks, serving as a frontend architectural reference. The project functions as a behavioral test suite and a cross-framework benchmark. It allows for the evaluation of frontend libraries by comparing identical application implementations to analyze differences in syntax, coding patterns, and functional capabilities. The suite covers broad capability areas includin

CodeIgniter is a PHP web framework built on the Model-View-Controller pattern, designed for building full-stack web applications. It provides a lightweight toolkit with minimal configuration, organizing application logic into controllers, models, and views for clean separation of concerns. The framework includes a fluent query builder for constructing SQL statements programmatically, PSR-4 autoloading with namespace mapping, and a service-based dependency injection container for managing shared class instances. The framework distinguishes itself through its comprehensive set of built-in tools

Phoenix is a server-side web framework built for the Elixir programming language and the Erlang virtual machine. It provides a structured environment for developing applications using the model-view-controller pattern, enabling developers to manage data, render user interfaces, and handle incoming requests within a scalable, process-based architecture. The framework distinguishes itself as a platform for real-time web communication, utilizing persistent bidirectional connections to broadcast live updates to clients. It incorporates a dedicated abstraction layer for relational database integra

This project is a full-stack web framework that provides a comprehensive environment for building server-side applications. It utilizes a model-view-controller architecture to separate application logic into distinct layers for data management, user interface presentation, and request handling. The platform manages the entire request-response lifecycle, including security, session handling, and background task processing, while using an object-relational mapping layer to translate database records into programmable objects. The framework distinguishes itself through a central service containe

Spring Boot is an opinionated application framework designed to streamline the creation of production-ready services. It functions as a comprehensive development platform that utilizes a centralized dependency injection container to manage object lifecycles and wiring. By employing convention-over-configuration, the framework automates the instantiation of components based on the presence of specific libraries and configuration properties, significantly reducing the need for manual setup. The framework distinguishes itself by bundling the application and its web server into a single, self-con

This project is a collection of curated guidelines and manuals for writing clean, idiomatic, and maintainable code in Scala. It serves as a comprehensive guide for Scala coding standards, functional programming design, and enterprise software architecture. The repository provides specific strategies for concurrency management, including patterns for actors, futures, and thread pools to ensure thread safety. It also contains a performance optimization manual focused on reducing memory allocations and managing garbage collection pressure to improve runtime efficiency. The guides cover a broad

This project is a full-stack web framework designed for building database-backed applications through a standardized architectural pattern. It provides a comprehensive suite of integrated libraries that manage the entire request-response lifecycle, from routing incoming web traffic to rendering dynamic server-side templates. By utilizing an object-relational mapping layer, the framework allows developers to define domain models that map database tables directly to application objects, simplifying data persistence, schema migrations, and complex relationship management. The framework is distin

This project is a comprehensive collection of software design patterns implemented in Python. It serves as a reference for architectural, behavioral, creational, and structural patterns to guide the organization of Python applications. The collection covers behavioral strategies for managing object communication and state, creational techniques for controlling object instantiation, and structural methods for composing classes and objects into flexible hierarchies. It also includes architectural references for system-wide structuring, such as multi-tier architectures and blackboard models. Th

ThinkJS is a server-side web framework designed for building applications on the Node.js runtime. It serves as a development platform that supports TypeScript and the latest ECMAScript standards to create stable and maintainable backend services. The framework employs a layered application architecture that separates concerns into controller, service, and model tiers. It utilizes a dependency-injected service model to manage singleton services and a middleware-based system for request handling and route dispatching. Development is supported by a build pipeline that transpiles modern JavaScri

pytest is a testing framework for Python that provides a command-line runner for discovering and executing test suites. It is built on a modular architecture that uses standard language assertions to verify code correctness, automatically inspecting expressions to provide detailed failure reports without requiring specialized assertion methods. The framework distinguishes itself through a dependency injection system that manages setup and teardown logic by automatically resolving and injecting resources into test functions. It also features a hook-based plugin architecture that allows for dee

This is an AngularJS reference application that demonstrates the architecture, folder structure, and module organization required for building single page applications. It functions as a REST-based CRUD application designed for project management. The project includes a full CI/CD pipeline implementation and an automated test suite. These tools automate code linting, asset minification, and the execution of unit and end-to-end tests across multiple browsers to verify application logic. The application covers frontend access control through authentication and authorization patterns. It furthe

This is the comprehensive documentation website for the Vue 2 progressive JavaScript framework. It serves as a technical reference and development guide for building reactive user interfaces and single-page applications. The site provides a detailed JavaScript API reference and a web component directory. It covers the implementation of component-based architectures, reactive state management, and the use of a virtual DOM to synchronize application state with the browser. The documentation details capabilities including client-side routing, declarative DOM manipulation, and frontend build opt

Martini is a web framework for the Go programming language that provides a toolkit for building web applications. It functions as a routing engine and an HTTP middleware pipeline to map network requests to specific handler functions. The framework is distinguished by its dependency injection system, which automatically resolves and provides requested service types as arguments to handler functions. This allows for the decoupling of business logic from infrastructure by matching requested types against a registry of available services. The project covers a broad range of web capabilities, inc

LoopBack Next is a Node.js API framework used for building REST and multi-protocol APIs. It functions as an OpenAPI server implementation that can either generate machine-readable specifications from code or produce implementation controllers and models from existing specifications. The framework distinguishes itself through a central dependency injection container and a repository-pattern data access layer. This architecture decouples application logic from component construction and persistent storage, allowing for a pluggable system where data sources and business logic are isolated throug

Jest is a JavaScript testing framework that integrates a test runner, an assertion library, and a snapshot testing tool. Its primary purpose is to provide a comprehensive environment for writing and running automated JavaScript tests to verify software correctness. The framework is distinguished by its snapshot testing capabilities, which capture the state of large objects or rendered components to detect regressions over time. It also features a reactive watch mode that monitors file changes and automatically executes only the tests related to modified code. The project covers a broad range

TUnit is a comprehensive C# testing framework, mocking library, and fluent assertion tool. It utilizes source generation for test discovery and mock creation, ensuring compatibility with Native AOT and IL trimming by eliminating the need for runtime reflection and proxies. The framework provides specialized capabilities for integration testing, including the management of distributed application lifecycles, isolated database schemas, and the correlation of telemetry and logs across process boundaries via OTLP. It also includes an HTTP testing utility to intercept network exchanges and mock AP