Instead of SWC
SWC alternatives
SWC gives JavaScript and TypeScript projects a Rust-based compiler and minifier, with WebAssembly transforms, custom plugins, and integrations for webpack, Rspack, and Jest. It can target browsers and runtime environments, parse ECMAScript, TypeScript, and Flow, and work with several JavaScript package managers. The project says it is 20 times faster than Babel on one thread and 70 times faster on four cores. Its tools are available across Android, Linux, macOS, web, and Windows.
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JSweet
Free plan Open source AndroidAPIiPhone+5Java developers targeting JavaScript — JSweet translates Java into type-checked JavaScript and TypeScript, while SWC compiles JavaScript and TypeScript.
Open source Visit site - 2
Transcrypt
Free plan LinuxMacSelf-hosted+2Python developers building browser applications — Transcrypt compiles Python to JavaScript, while SWC compiles JavaScript and TypeScript.
Free plan Visit site - 3
Babel
Free plan APILinuxMac+2JavaScript projects needing codemods or polyfills — Babel offers codemods and third-party polyfills, while SWC provides Rust-based compilation, minification, and WebAssembly transforms.
Free plan Visit site - 4
ClojureScript
Free plan LinuxMacSelf-hosted+2Clojure developers targeting JavaScript — ClojureScript compiles Clojure and offers REPL-based development, while SWC compiles JavaScript and TypeScript.
Open source Visit site - 5
Google Web Toolkit
Free plan ExtensionLinuxMac+2Java teams building AJAX applications — GWT compiles Java applications into browser-compliant JavaScript and HTML, while SWC works with JavaScript and TypeScript.
Free plan Visit site - 6
Kotlin/JS
Free plan LinuxMacWeb+1Kotlin teams sharing logic across clients and servers — Kotlin/JS compiles Kotlin and compatible dependencies to JavaScript, with browser and Node.js targets and Gradle configuration.
Open source Visit site - 7
Opal
Free plan LinuxMacWeb+1Ruby developers sharing code across server and client — Opal compiles Ruby to plain JavaScript and includes Ruby core and standard libraries, rather than compiling JavaScript or TypeScript.
Free plan Visit site - 8
esbuild
Free plan AndroidAPILinux+4 - 9
Google Closure Compiler
Free plan LinuxMacSelf-hosted+1 - 10
Grunt
Free plan LinuxMacWindows - 11
Oxc
Free plan LinuxMacWindows - 12
Rolldown
Free plan AndroidAPILinux+3 - 13
Rslib
Free plan APILinuxMac+2 - 14
Rspack
Free plan LinuxMacSelf-hosted+2 - 15
Gulp
Free plan LinuxMacWindows - 16
Parcel
Free plan APIExtensionLinux+3 - 17
Terser
Free plan APILinuxMac+2 - 18
Babel REPL
Free plan Web - 19
ncc
Free plan Linux - 20
Rollup
Free plan APILinuxMac+2 - 21
Browserify
Free plan Web - 22
Jake
Free plan APIWindows - 23
Sucrase
Free plan APILinux - 24
Turbopack
Free plan LinuxMacWindows - 25
Vite
Free plan LinuxMacWeb+1 - 26
Rsbuild
Free plan Web - 27
UglifyJS
Free plan APILinuxSelf-hosted - 28
webpack
Free plan APISelf-hostedWeb - 29
Farm
Free plan - 30
pkgroll
Free plan Linux - 31
SWC’s bundling feature is slated to be dropped in v2, and its documentation recommends SWC-based bundlers instead. Its polyfill usage mode can also be less efficient than Babel for certain dynamically computed property expressions. The bigger choice is whether you want to stay with JavaScript and TypeScript or compile from another language. Compare source-language fit, target environments, module support, debugging options, and the surrounding build and library ecosystem before switching. Each alternative below is free, but they serve distinct programming workflows.