* [fake-gcs-server v1.56.0](https://github.com/fsouza/fake-gcs-server) – Emulates the Google Cloud Storage API for testing, available as a Go library or standalone server.

* [jsbeeb v1.20.0](https://github.com/mattgodbolt/jsbeeb) – JavaScript-based emulator for BBC Micro models including 32K BBC B and 128K BBC Master with peripheral support.

* [v86 latest](https://github.com/copy/v86) – x86-compatible CPU and hardware emulator that translates machine code to WebAssembly for browser performance.

* [Gopher2600 v0.57.2](https://github.com/JetSetIlly/Gopher2600) – Emulator for the Atari 2600 console with high accuracy, advanced debugging tools, and wide cartridge and peripheral support.

* [guac v0.0.4](https://github.com/aabalke/guac) – Go-based emulator for Nintendo DS, Game Boy Advance, Game Boy Color, and original Game Boy.

* [EGG v3.5.3](https://github.com/gboncoffee/egg) – Modular processor emulator supporting RISC-V, MIPS and a fantasy 8-bit architecture, with assembler and debugger support.

* [Parchment 2026.8.1](https://github.com/curiousdannii/parchment) – Interactive Fiction player for the web, with builds for Inform 7 and a site generator supporting multiple story formats.