Awesome GitHub RepositoriesSource-to-JavaScript Transpilers

CoffeeScript is a source-to-source transpiler that transforms a concise high-level syntax into standard JavaScript. It enables the development of logic for web applications and server-side environments by converting source code into a format compatible with browsers and server runtimes. The project provides a workflow for rapid prototyping and script execution automation, allowing users to run source files through a compiler and execute the resulting code immediately without a manual build step. The tooling leverages lexical analysis and abstract syntax tree transformations to manipulate cod

Reason is a strongly typed functional language and multi-target compiler designed to produce either JavaScript for web environments or native machine code for operating systems. It serves as an OCaml-compatible language that shares an abstract syntax tree with OCaml, providing a practical syntax for the OCaml ecosystem. The project functions as a type-safe frontend language, incorporating JSX support to build user interfaces through structural elements that translate into type-safe function calls. It enables deep integration with the JavaScript ecosystem, allowing the use of existing librarie

Reason is a statically typed programming language and compiler based on the OCaml ecosystem. It translates high-level, type-safe source code into either JavaScript or OCaml output, providing a typed alternative for web and system development. The language focuses on providing rigorous type safety and a robust module system while integrating with the JavaScript ecosystem. It allows for the development of applications that leverage existing JavaScript libraries while utilizing a more rigid type system to eliminate common runtime crashes and data mismatches. The project covers capabilities incl

ncc is a Node.js build tool and project bundler that compiles a project and its dependencies into a single JavaScript file. It functions as a single-file JavaScript bundler and TypeScript compiler, converting type-annotated source files into standard JavaScript compatible with the Node.js runtime. The tool focuses on serverless function optimization by reducing the number of files and dependencies in a deployment package to improve portability and cold start times. It automates the software release workflow by integrating the compilation and bundling process into programmatic scripts. The pr

ClojureScript is a Lisp-based compiler and runtime that translates Clojure source code into JavaScript. It enables functional programming across different JavaScript engines and platforms, allowing developers to build user interfaces and applications for web browsers and server environments. The project provides a read-eval-print loop for executing code live within a browser or server for immediate feedback. This facilitates an interactive development workflow where code can be written and tested in real time without restarting the application. The system covers a broad capability surface, i

PureScript is a statically typed, purely functional programming language that compiles to JavaScript. It is designed as a cross-platform frontend language for building safe web applications, utilizing a static type system and a JavaScript compiler to ensure program correctness across browser and server environments. The language is distinguished by its emphasis on mathematical purity, featuring a robust type system with first-class support for monads. It provides a sophisticated toolset for static verification, including algebraic data types, type classes, and automatic type inference to reje

Binaryen is a WebAssembly compiler toolchain and optimizer designed to transform, validate, and shrink binary modules. It provides a comprehensive intermediate representation framework that converts binary code into a single-assignment form to enable advanced program analysis and code transformation. The project includes a specialized transformation engine that applies iterative optimization passes to increase execution speed and reduce binary size. Additionally, it functions as a transpiler that translates WebAssembly binary modules into executable JavaScript for environments that lack nativ

This project is a functional programming compiler and JavaScript transpiler that transforms a statically typed language into optimized JavaScript for web browsers. It serves as a frontend architecture framework, providing a static type system and a package manager that enforces semantic versioning. The compiler uses a type-checking engine with automatic type inference to prevent runtime errors and guide code refactoring. It implements a structural pattern for managing application state and rendering user interfaces through a virtual DOM, utilizing immutable data and purity-based state transit

ReScript is a statically typed programming language and compiler designed to transform type-safe source code into efficient, human-readable JavaScript. It functions as a transpiler that enforces data consistency and prevents runtime errors through static type analysis for both web and server applications. The project distinguishes itself as an incremental build system that analyzes dependency graphs to recompile only modified files and their dependents. It includes a JSX compatible compiler for building user interfaces and provides a framework for bridging type-safe code with existing JavaScr

Brython is a Python 3 runtime and interpreter that executes scripts directly in the web browser. It serves as a client-side environment that translates Python source code into executable JavaScript to handle frontend logic without requiring server round-trips. The project provides a bidirectional interoperability bridge between Python and JavaScript, allowing for the integration of external JavaScript libraries. It further functions as a tool for packaging Python scripts into standalone native mobile applications for Android devices. The runtime includes a library for programmatic manipulati

Framer - Design Everything

Este proyecto es un recurso de descubrimiento de código abierto que proporciona listas curadas de código reutilizable y librerías para ayudar a los desarrolladores a encontrar soluciones técnicas para tareas específicas. Utiliza un sistema de indexación basado en categorías para organizar diversas herramientas de software por sus capacidades funcionales. El repositorio está estructurado como una colección de documentación basada en Markdown y contenido estático, sirviendo como un directorio para el descubrimiento manual y la referencia. El directorio cubre una amplia gama de áreas de capacidad, incluyendo desarrollo de aplicaciones multiplataforma, creación de herramientas de ciberseguridad, implementación de protocolos de red y flujos de trabajo de computación científica. También incluye recursos para la automatización de web scraping, almacenamiento de datos e interfaces multimedia.

Opal es un framework de frontend de Ruby y compilador que traduce código fuente Ruby a JavaScript. Funciona como un runtime web que permite el desarrollo de aplicaciones web del lado del cliente utilizando Ruby en lugar de JavaScript. El proyecto incluye un motor de plantillas HTML de Ruby que evalúa código Ruby incrustado directamente dentro de archivos de marcado. Además, se integra con entornos JavaScript empaquetando librerías centrales y dependencias en una cadena de distribución para su ejecución en un navegador web. El sistema proporciona capacidades para la compilación de Ruby a JavaScript y la capacidad de codificar y decodificar datos en Base64.

Este proyecto es una guía completa y recurso educativo para el lenguaje TypeScript. Cubre los principios fundamentales del lenguaje, incluyendo su sistema de tipos estructural, análisis de tipos estáticos y el proceso de transpilación de archivos fuente tipados a JavaScript. El material detalla cómo modelar datos complejos y lógica de tipos reutilizable utilizando genéricos, tipos condicionales y tipos mapeados. También explica el uso de archivos de declaración para proporcionar seguridad de tipos para librerías externas de JavaScript y la integración de verificación de tipos en proyectos de JavaScript existentes mediante anotaciones JSDoc. El alcance del contenido se extiende a patrones de programación orientada a objetos, manipulación del DOM y la configuración de comportamientos del compilador. Incluye orientación sobre la gestión de interoperabilidad de módulos, configuración de pipelines de construcción y utilización de inteligencia de editor para una mejor productividad del desarrollador.

JSBin es un playground de JavaScript colaborativo y sandbox de frontend en línea para escribir, ejecutar y depurar código web. Proporciona un editor de código en tiempo real y un entorno integrado que renderiza instantáneamente HTML, CSS y JavaScript con una vista previa en vivo. La plataforma está diseñada para demostraciones de live coding y programación en pareja, contando con un entorno de transmisión que envía las pulsaciones de teclas y cambios de código a otros usuarios al instante. Admite sincronización en tiempo real para múltiples desarrolladores a través de sesiones en vivo compartidas e incluye una herramienta de transpilación para convertir lenguajes de programación alternativos en formatos web estándar para su ejecución en el navegador. Las capacidades adicionales incluyen depuración remota de JavaScript, inspección de solicitudes de red y la capacidad de transmitir la salida renderizada a dispositivos externos para pruebas multiplataforma. El sistema también admite el forking de snippets para la gestión de versiones y proporciona opciones para exportar estados de proyectos a proveedores de alojamiento externos.

This project is a TypeScript plugin boilerplate and template for creating community extensions for the Obsidian knowledge base application. It provides a foundational codebase and starter project designed to implement development best practices for building and distributing plugins. The repository includes a Deno-based project bootstrapper that automates the generation of a TypeScript project template, including the necessary build configurations and definitions. The project covers the full development workflow for extensions, including TypeScript-to-JavaScript transpilation, asset packaging

Koala is a graphical user interface for managing the compilation, transpilation, and background monitoring of web asset preprocessors. It serves as a build tool that converts Less, Sass, and CoffeeScript files into browser-compatible CSS and JavaScript. The application features a visual interface for controlling the transformation process, removing the need for command line interaction. It integrates a background file monitor that automatically recompiles source files in real time as changes are detected on the local filesystem. The tool provides utilities for managing global and project-spe

jscamp is a full-stack web development and education project focused on mastering JavaScript, TypeScript, and AI integration. It provides a structured curriculum and interactive exercises covering language fundamentals, frontend engineering, and backend API development. The project distinguishes itself through the implementation of autonomous AI agents capable of complex task automation, such as modifying files, managing servers, and executing API calls. It includes advanced AI development tools for conversational querying, real-time code suggestions, and automated repository analysis to gene

TeaVM is a Java bytecode transpiler and browser-based JVM runtime that converts compiled Java class files into JavaScript or WebAssembly. It functions as a compiler and build pipeline tool that enables applications written in various JVM languages to execute natively within a web browser. The project distinguishes itself by transforming bytecode directly into optimized web formats without requiring the original source code. It includes a WebAssembly bytecode compiler for high-performance execution and a specialized emulation system to handle asynchronous multithreading within the single-threa