Open-source alternatives to Gopherjs

Nim is a statically typed, compiled systems programming language designed for high performance and cross-platform development. It translates high-level source code into C, C++, or JavaScript, allowing developers to produce efficient native binaries or web-compatible scripts from a single codebase. The language emphasizes a clean, indentation-based syntax that simplifies code hierarchy while maintaining the power of a full-featured systems language. What distinguishes Nim is its robust metaprogramming framework, which allows developers to inspect, modify, and generate code structures during th

Emscripten is a WebAssembly toolchain and compiler backend that transforms C and C++ source code into WebAssembly bytecode. It serves as a framework for porting native applications and libraries to web browsers and server runtimes by translating LLVM intermediate representation into optimized WebAssembly modules. The system specializes in porting native graphical standards, such as OpenGL and SDL2, by mapping native graphics API calls to browser-compatible WebGL commands. This allows complex visual applications and native desktop software to be deployed as portable web formats. The toolchain

Mono is an open source implementation of the .NET Framework that provides a managed execution environment, base class libraries, and a cross-platform virtual machine. It serves as a compliant implementation of the ECMA Common Language Infrastructure standard, enabling the execution of intermediate language binaries across different operating systems. The project includes a complete toolset for C# development, featuring a command line compiler and CLI to transform source code into executable assemblies. It distinguishes itself with a flexible managed memory system that supports multiple automa

Grumpy is a native binary compiler that transforms Python source code into Go source code. By transpiling high-level scripts into a strongly typed intermediate representation, the system enables the creation of statically linked native binaries that operate independently of a traditional virtual machine interpreter. The project distinguishes itself by providing a comprehensive runtime library that replicates standard Python data structures and object behaviors. This emulation layer ensures that compiled code maintains functional parity with the original source environment while leveraging the

LLVM-based compiler for Go

Transpiling C code to Go code

Transpiling fortran code to golang code

The Dart SDK is a comprehensive development kit for building cross-platform applications using a multi-paradigm programming language. It provides a unified toolchain that supports both just-in-time compilation for rapid development and ahead-of-time compilation for high-performance native machine code. The platform is built on a sound static type system and an isolate-based concurrency framework, which executes independent tasks in separate memory heaps to achieve parallelism without shared state contention. The SDK distinguishes itself through a versatile compilation pipeline that transforms

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

CoreCLR is a runtime environment that manages the execution, memory, and basic types for applications built on the .NET platform. It serves as a managed execution environment that handles low-level system interactions and provides primitive data types for high-level application code. The project functions as a JIT compilation engine and a garbage collected runtime. It translates intermediate language into machine code at runtime for execution on specific hardware and automatically reclaims unused memory to prevent leaks. The system covers broad capability areas including managed code executi

Crystal is a statically typed, compiled programming language designed for high performance and memory safety. It leverages an LLVM-based compiler to translate source code into optimized machine-executable binaries, while its type-inference-based static analysis enforces strict safety rules during the build process. The language distinguishes itself through a fiber-based concurrent runtime that manages lightweight execution units for asynchronous input and output without blocking the main process. It also features a powerful compile-time macro system that allows for the inspection and transfor

HHVM is a high-performance execution engine and runtime environment designed for the Hack language. It functions as a persistent web application server that processes incoming network traffic, while also providing command-line utilities for executing standalone scripts and performing automated tasks. The project distinguishes itself through a sophisticated execution model that utilizes just-in-time compilation to translate bytecode into optimized machine code. This process is supported by a static type analysis engine that enforces strict data constraints and identifies type inconsistencies b

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

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

Borgo is a statically typed language and compiler that transforms high-level syntax into Go source code. It functions as a transpiler designed to leverage the Go runtime while introducing a type system centered on algebraic data types and result-based error handling. The language distinguishes itself by replacing Go's multiple return values with result and option types, using a dedicated operator for concise error propagation. It implements sum types with exhaustive pattern matching and provides a tool to generate bindings for existing Go packages, automatically converting multi-value returns

This project is a cross-compiler toolchain for RISC-V software development. It provides the necessary components to compile C and C++ source code into executable binaries and libraries specifically for the RISC-V hardware architecture. The toolchain supports multi-architecture binary generation and multilib capabilities, allowing a single installation to target various instruction set specifications and bit-widths. It integrates with alternative compilers such as LLVM and Clang and includes a bootstrapped build pipeline to produce high-performance versions of the tools. The system covers bro

gxui is an experimental Go GUI framework and cross-platform UI library used to create graphical user interfaces that run on multiple operating systems using a single codebase. The framework utilizes a WebGL web UI renderer that compiles Go application code into JavaScript to display interfaces within a web browser. It employs a cross-platform abstract interface to map UI primitives to different operating system rendering backends. The project covers the development of single-codebase application logic and the rendering of interfaces through hardware-accelerated graphics APIs.

Beego is a high-performance toolkit for building web applications and RESTful APIs using the Go programming language. It is structured as an MVC web framework that separates data models, views, and controllers to organize application logic. The project provides a comprehensive suite of integrated tools, including an object-relational mapper for translating code objects into database tables and a session manager for maintaining user identity and state across server requests. It also includes an internationalization framework for managing multilingual content and translating text based on user

ISPC is a vectorizing compiler and SIMD parallel programming language that implements a single program multiple data model. It serves as a toolchain for translating C-based code with parallel extensions into optimized machine code for various CPU and GPU architectures using an LLVM backend. The compiler is designed for cross-platform SIMD toolchain support, generating specialized instruction sets for x86 SSE/AVX, ARM NEON, and Intel GPU from a single source. It features a runtime dispatch mechanism that selects the most efficient hardware-specific implementation for the current system during

Gox is a cross-platform build automator and command line tool designed for Go cross-compilation. It serves as a toolchain manager that builds and configures the necessary compilation tools and flags required to target diverse hardware platforms. The system automates the setup, installation, and provisioning of the assemblers and linkers needed for different operating systems and architectures. It manages the generation of executable binaries for multiple platforms in parallel, utilizing custom naming templates and linker flags to prepare software releases. The tool provides capabilities for

This repository contains the source code for a C-based network botnet designed to compromise Internet of Things devices. It serves as a functional implementation of malware used for security research, behavioral analysis, and the development of threat detection signatures. The project includes a command and control server architecture that manages infected devices via a custom binary protocol and TCP-based command distribution. It employs a cross-compilation toolchain to build and deliver architecture-specific binary payloads across multiple hardware platforms. The codebase covers capabiliti

This project provides a Linux kernel development environment and a system emulation suite for building and debugging kernel modules and baremetal assembly across multiple hardware architectures. It functions as a comprehensive sandbox and framework for low-level system development, utilizing QEMU to simulate hardware environments without the need for physical devices. The environment integrates cross-compilation toolchains using Buildroot and crosstool-NG to target x86_64, ARMv7, and ARMv8 platforms from a single host. It features a specialized kernel debugging framework that leverages GDB an

GoReleaser is a release automation tool for building, packaging, and distributing Go binaries across multiple platforms and architectures. It functions as a cross-compilation build pipeline and binary distribution orchestrator that manages the end-to-end lifecycle of versioned software releases. The tool utilizes a declarative configuration pipeline based on a YAML definition file to automate the Go toolchain. It links Git tags to the compilation process, allowing for automated version tagging and the injection of build metadata and version strings into binaries via linker flags. Its capabil

Nexe is a cross-platform binary bundler and compiler that packages Node.js applications and their dependencies into single standalone executables. It functions as a runtime compiler that can build the Node.js runtime from source with custom flags and application snapshots to enable software distribution without requiring a pre-installed runtime. The system allows for cross-compilation across different operating systems and architectures from a single build environment. It includes a static asset bundler to embed external files and directories directly into the compiled binary for access at ru

python-build-standalone is a toolchain designed to produce redistributable Python executables across multiple operating systems and hardware architectures. It generates standalone Python binaries that can be distributed to users without requiring a pre-installed system interpreter. The project manages the end-to-end process of cross-platform compilation using target triples and containerized environments to ensure consistent binary output. It includes a distribution pipeline that automates the generation of build matrices and the uploading of compiled artifacts to public release pages and mir