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One of the most minimal MOS6502 and retro computer emulators!

Real programming languages in 50 lines of code

code-based qr code generator

JSON diff and patch

Less than 100 Kilobytes. Works for Android 5.1 and above

Mandelbrot set renderer for MS-DOS

The Z80-MBC2 is an easy to build Z80 SBC (Single Board Computer). It is the "evolution" of the Z80-MBC, with a SD as "disk emulator" and with a 128KB banked RAM for CP/M 3 (but it can run CP/M 2.2 …

A /dev/random device driver for MS-DOS

Dolt – Git for Data

Frotz Z-machine ported to a Raspberry PI Pico designed to run on the ebadger LodeRunner platform

Replacing all the memory and peripherals in a 6502 computer with a single ATMEGA4809 microcontroller

8-bit emulator experiments in Zig

ESP8266/ESP32/Arduino custom modem<->internet simulator with lots of features

Deep inspection of Python objects

🐶 Command-line DNS Client for Humans. Written in Golang

A RP2040 based DECstation emulator

A toy

A FUSE filesystem for your Google calendar

Virtual Apollo Guidance Computer (AGC) software

Gopher2600 is an emulator for the Atari 2600 games console

System restore tool for Linux. Creates filesystem snapshots using rsync+hardlinks, or BTRFS snapshots. Supports scheduled snapshots, multiple backup levels, and exclude filters. Snapshots can be re…

Classic Macintosh Replica

Emulate a VT100 in a scale replica case

Emulate a TRS-80 in a scale replica case

0x.Tools: X-Ray vision for Linux systems

Run the popular umac emulator right on your Pi Pico!

ldd as a tree

Performance-portable, length-agnostic SIMD with runtime dispatch