Alternatives to Rom Patcher JS

EZ ROM Patcher

It suits people who already have ROM files and want to apply, create, or verify patches in a browser.

MultiPatch suits macOS users who need to apply or create supported file patches.

It suits people patching ROMs on an RG350M, or on desktop Linux, who want either a graphical interface or command-line options.

BeatDrop suits Windows users creating visuals for parties, karaoke, music videos, or DJ mixes.

Flips suits users who need to apply or create IPS and BPS patches on Linux, macOS, or Windows.

Delta Patcher

It suits people who need to create or apply xdelta patches on a desktop system.

Patcher64+ Tool suits users patching Nintendo 64, NES, or SNES ROMs, or Wii Virtual Console WADs.

It suits people who need to apply a BPS patch to an NTSC Super Mario Bros.

flips.rs suits Rust developers building patch creation or application into Linux software.

rom-weaver

rom-weaver suits people who need local ROM or disc-image patching, conversion, and reusable patch workflows.

It suits users who already have a legally dumped game backup and want to apply a supported patch in a browser.

Rompatcher suits people patching ROMs on Linux or Windows who want automatic format detection and optional checksum checks.

Pokémon ROM Patcher

It suits people applying Pokémon ROM-hack patches to game files they legally own.

Lunar IPS suits Windows users who need command-line or graphical IPS patch creation and application.

UniPatcher suits Android users modifying older console ROMs with supported patch formats.