Ghidra is an NSA-created software reverse engineering framework with disassembly, decompilation, graphing, and scripting for compiled code.
Work-in-progress decompilation of Pokémon HeartGold and SoulSilver for the Nintendo DS, reconstructing the game's source code.
A PC port of The Legend of Zelda: Ocarina of Time that runs on modern systems, built on a decompilation and a custom libultra-compatible library.