Genesis Plus GX libretro core (Genesis / Master System / Game Gear) for romdev, bundled as WASM.
MCP server giving coding agents full control of homebrew ROM development AND reverse-engineering/romhacking across 14 retro platforms (NES, SNES, GB, Genesis, Atari, C64, PC Engine, MSX, ...) via WASM libretro cores.
fceumm libretro core (NES) for romdev, bundled as WASM.
ProSystem libretro core (Atari 7800) for romdev, bundled as WASM.
Atari 2600 binaries for romdev: stella2014 emulator core + dasm assembler (WASM). Atari 2600 uses both only here, so they ship together.
gambatte libretro core (Game Boy / Game Boy Color) for romdev, bundled as WASM.
Game Boy Advance binaries for romdev: mGBA emulator core + arm-none-eabi-gcc toolchain (cc1 / as / ld / objcopy) (WASM). These ship together because nothing else uses them.
Is this specifier a node.js core module?
Babel compiler core.
core-js compat
Handy libretro core (Atari Lynx) for romdev, bundled as WASM.
Standard library
Core functions & classes shared by multiple AWS SDK clients.
Positioning library for floating elements: tooltips, popovers, dropdowns, and more
tldts core primitives (internal module)
Standard library
The `util.is*` functions introduced in Node v0.12.
regexpu’s core functionality (i.e. `rewritePattern(pattern, flag)`), capable of translating ES6 Unicode regular expressions to ES5.
A high-level API to automate web browsers
Accessibility engine for automated Web UI testing
[](https://www.npmjs.com/package/@smithy/core) [](https://www.npmjs.com/package/@smithy/core)
The core of the humanfs library.
Super-fast alternative for babel
Error parser to parse an error instance into a collection of frames