Ghidra is a software reverse engineering (SRE) framework

The modern Java bytecode editor

Gameboy emulator in Java and Kotlin.

An accurate NES/Famicom emulator

Sega Mega Drive / Genesis ROMs loader for GHIDRA

Java wrapper for SDL and LibGDX controller API

Java PSX emulator

A Z80 core written in Java

Motorola 680x0 emulation in Java

Java AudioServer API (currently with JavaSound and JACK backends)

VGM to MIDI converter in Java

A Nintendo GameBoy Advance emulator/debugger written in Java

Super Nintendo Online

A Java Sega Genesis emulator project made in ARGENTINA

SuperJarioES+, a modification of the SuperJarioES emulator for Java

SEGA Master System/Mark III emulator writtten 100% in Java

Experimental GB Emulator