A Java to JavaScript transpiler.

Java to Closure JavaScript transpiler

Framework to interpret and transpile JVM bytecode to JavaScript, OpenCL or WebAssembly.

A JavaFX application transpiler. Write your Web Application in JavaFX and WebFX will transpile it in pure JS.

swc4j (SWC for Java) is an ultra-fast JavaScript and TypeScript compilation and bundling tool on JVM.

Bck2Brwsr VM to transpile Java bytecode to JavaScript

C/C++ Source-to-Source Tool based on Clang

Rewrite BigQuery, Redshift, Snowflake and Databricks queries into DuckDB compatible SQL (with deep transformation of functions, data types and format characters) using Java.

Rule-based source code converter (Python to Java) using Spring Boot.

Java2Script provides an Eclipse Java to JavaScript transpiler (source-to-source compiler) and a nearly complete JavaScript implementation of the Java runtime environment (including AWT and Swing).

A Java to C++ transpiler project

CLAW Compiler for Performance Portability

ProLeap COBOL • Analyze, Execute & Transform COBOL

Use braces and semicolons in Python!

1 year and 3 months of dedicated work done by me, dramatically, richy, faceless, and others.

A transpiler to vanilla Lua from an alternative JS-inspired syntax

A programming language for FPGAs.

Jaspiler is a Java to Java transpiler.

Quantum4J brings quantum programming to Java with a full Quantum Software Engineering stack — circuits, simulators, compiler passes, QASM support, and enterprise-grade extensibility.

This is an EFX translator written in Java. It supports multiple target languages. It includes an EFX expression translator to XPath. It is used to in the generation of the Schematron rules in the eForms SDK.