WebAssembly
Application and Data, Languages & Frameworks, and Languages.
Best WebAssembly Alternatives & Competitors in 2025
The best WebAssembly alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
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/emscripten-alternativesEmscripten is an LLVM to JavaScript compiler.
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/gnu-compiler-collection-alternativesThe GNU Compiler Collection (GCC) is a compiler system produced by the GNU Project supporting...
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/portable-c-compiler-alternatives
pcc is a C99 compiler which aims to be small, simple, fast and understandable.
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/cheerp-alternativesEnterprise-grade C/C++ compiler for Web applications. Compiles to WASM/JavaScript
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/ace-ajax-code-editor-alternativesFocused and built towards coders, web designers, and web builders, ACE (Ajax Code Editor) can help...
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/tiny-c-compiler-alternativesThe Tiny C Compiler is an x86, x86-64 and ARM processor C compiler created by Fabrice Bellard.
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/quickjs-alternativesApplication and Data, Build, Test, Deploy, and JavaScript Compilers
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/llvm-alternativesLLVM is a compiler infrastructure designed for compile-time, link-time, run-time, and...
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/vs-code-alternativesBuild and debug modern web and cloud applications, by Microsoft
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/pelles-c-alternativesPelles C for Windows
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/clang-alternativesC, C++, Objective C and Objective C++ front-end for the LLVM compiler.
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/clue-compiler-alternatives
Clue is an experimental C compiler that generates code for high-level dynamic languages such as...
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/monaco-editor-alternativesA browser based code editor
