Peter Leonard

netatalk-client. Free and Open Source AFP file sharing client

daynaport-dos-packet-driver-asm. A rewrite of the DaynaPORT SCSI/Link packet driver for DOS in x86 assembler.

maciso-extract. Utility to extract Apple-extended ISO9660 and HFS(plus) filesystems into a Netatalk compatible layout

TimeCapsuleSMB. Hacking the Apple AirPort Time Capsule to run modern Samba

240-MP. 240-MP is a retro VCR style frontend to playback local media or content from a plex library via a Raspberry Pi on CRT

stfjson. Convert Lotus Agenda STF files to JSON

Griffin-PowerMate-Driver. A modern driver for the Griffin PowerMate

BlueBus. A Bluetooth module for vehicles equipped with I-Bus

RAG-Assistant-for-Zotero. An open‑source desktop RAG application that enables semantic search across your Zotero library. Easily discover conceptually related papers and ideas within your PDF collection using local or cloud‑based LLMs. The app provides source attribution, metadata filtering, and seamless integration with Zotero. macOS and Linux. Windows support limited.

ai-toolkit. The ultimate training toolkit for finetuning diffusion models

Video-Caption-Suite. Batch video captioning using Qwen3-VL-8B vision-language model

InventoryDifferent2. Vintage Computer Inventory Management System

Inside-AppleTalk. OCR'd Inside AppleTalk documentation

chapter-marker-thingy. Batch detects break positions in video files and adds chapter markers

MatAnyone2. [CVPR 2026 Highlight] MatAnyone 2: Scaling Video Matting via a Learned Quality Evaluator

HxCFloppyEmulator. HxC Floppy Drive Emulator toolkit

hifiberry-os. Linux distribution optimized for audio playback

demucs-mlx. Split any song into stems — vocals, drums, bass, and more. Fast music source separation for Apple Silicon, powered by MLX.

tas-for-ca. New video segmentation methods for cultural analytics

stum. A tool for extracting intertitle-texts from Swedish newsreels.

brick-phone. Pico-powered 1G brick style cell phone

FieldStation42. Broadcast & Cable TV simulator

TailTalk. A modern async user space AppleTalk stack with Rust + Tokio

video-annotation-viewer. Advanced multimodal analysis tool for reviewing video annotations with pose detection, emotion recognition, audio analysis, and interactive timeline visualization.

VideoAnnotator. A tool for automatic annotation of human interaction videos with pose, face, emotion, speech & more.

jrouter. Go

PICTomatic. A native macOS app to convert classic Mac OS PICT image files to modern formats.

MacClassicBitMIner. A bitcoin miner specifically made for a Mac Classic or similar vintage computer with custom assembly code optimized for 68000 cpu.

BeogramAdaptor. C++

BeoLink7000PWM_Debug. Simulates 10 Hz PWM on Arduino Nano for debugging the BeoLink 7000.

giallo. Python

JacquardSDKiOS. Jacquard™ by Google weaves new digital experiences into the things you love, wear, and use every day to give you the power to do more and be more. Jacquard SDK is a way to connect Jacquard interactions within your apps. Create an app and bring it to life with gestures, lights and haptics through the Jacquard SDK.

PySceneDetect. :movie_camera: Python and OpenCV-based scene cut/transition detection program & library.

TransNetV2. TransNet V2: Shot Boundary Detection Neural Network

mais. MAIS is a web app for running **turn-based, multi-actor LLM simulations** with real-time streaming.

parakeet-diarized. Parakeet 0.6b V2 + Pyannote diarization behind a Whisper API

mteb. MTEB: State-of-the-art evaluation of embeddings across languages and modalities

FightingWords. Quick implementation of Monroe et al.'s algorithm for comparing languages

prompt-droid. Chrome/Edge extension for saving and reusing AI prompt snippets

Zotero-Item-Key-Column. A Zotero plugin that adds an “Item Key” column to the library and search views for quick reference and scripting.

apple-13w3-display-connector-adapter. This is a compact and inexpensive adapter for use with some of Apple's oddball Macintosh displays, namely the monochrome portrait (or, "full-page") display and monochrome and color "two-page" displays.

sit. Create StuffIt archives on Unix systems

daynaport-dos-packet-driver. My rewrite of the original DaynaPort packet driver for DOS.

CLIP_Surgery. [Pattern Recognition 25] CLIP Surgery for Better Explainability with Enhancement in Open-Vocabulary Tasks

bertopic-clip. Experiments with BERTopic and CLIP

multitalk. Go

Omoide. Free and Open-Source media manager

TwoAI. A simple experiment on letting two local LLM have a conversation about anything!

danlp. DaNLP is a repository for Natural Language Processing resources for the Danish Language.

exhibit. Publishing Framework for Large-Scale Data-Rich Interactive Web Pages

senko. Very fast, accurate speaker diarization

lmstudio-unlocked-backend. Custom LM Studio backends — run on legacy CPUs and Vulkan GPUs. AVX1, experimental no-AVX, and more. We were told it wouldn't work… so we made it work.

PhotoMapAI. A modern image browser and search tool that uses AI to generate a "semantic map" of your collection.

nv-gpu-powerlimit-setup. NVIDIA GPU Powerlimit Systemd Setup Script

MacSnap-SCSI. SCSI interface by Dove Computer Corporation for Macintosh 512Ke

videoswarm. A mass video player for easy browsing of large video datasets

grobid. A machine learning software for extracting information from scholarly documents

Voice_Extractor. Automated speech dataset creator

qman. A more modern man page viewer for our terminals

Reanimator. Reanimator allows Silicon Graphics IRIX network installation using a Raspberry Pi or VirtualBox

pattypan. Upload files to Wikimedia Commons. The Spreadsheet Way.

Previous. Previous - synced from SVN

simple-scan-to-pdf. A bash script for taking a folder of image files and outputting a PDF

h5ai. HTTP web server index for Apache httpd, lighttpd and nginx.

fluxvis. Python

yap. 🗣️ A CLI for on-device speech transcription using Speech.framework on macOS 26

isebelle. Intelligent Search Engine for Belief Legend Embeddings

search_transcripts. Convert a directory of .vtt or json transcripts into a fast searchable database

parakeet-mlx. An implementation of the Nvidia's Parakeet models for Apple Silicon using MLX.

litteraturlabbet-frontend. The frontend view of the Litteraturlabbet application at GRIDH

daynaport-dos-packet-driver. C

passim. Detect and align similar passages

sqlite-vec. A vector search SQLite extension that runs anywhere!

pgvector. Open-source vector similarity search for Postgres

NetBoot. C

pyDiscRip. Automate ripping optical discs and extracting data

geti_v2. Build computer vision models in a fraction of the time and with less data.

slirp-ck. Updated SLIP/PPP via the venerable Slirp

AudioX. [ICLR 2026] Repository of AudioX

ffmpeg-build-script. The FFmpeg build script provides an easy way to build a static FFmpeg on OSX and Linux with non-free codecs included.

whisper-scribe. An audio/video transcriber with diarization and transcription editing.

immich-native. Immich hosted without Docker

immich-distribution. Immich distribution inside a snap package

docext. An on-premises, OCR-free unstructured data extraction, markdown conversion and benchmarking toolkit. (https://idp-leaderboard.org/)

StreamController. An elegant Linux app for the Elgato Stream Deck with support for plugins

ullm. Tinkering with small LLMs.

Ohlfs-font-to-ttf-conversion. Among the many UI accomplishments by Keith Ohlfs at NeXT is this wonderful little font. It has never been modernized to work on the current version of the OS and unfortunately Keith passed away this year (October 26th, 2016). Anyone who is willing to help in this effort is invited to join.

Mac-StorageCard-DeclROM. Template for bootable DeclROM and device driver on Macintosh

HDI-45-Adapters. These adapters are for Macintosh 6100/7100/8100 computers with HDI-45 ports to get VGA or DA-15 video output.

NeXT-NSBench. NeXTSTEP Benchmarking tool

AppleShare-IP-Browser.

ssheven. A minimal new SSH client for Mac OS 7/8/9

BinaryGPUIndex. A GPU Accelerated Binary Vector Store

aperture. 🔬 Visualize attention layers from Stable Diffusion

diffusion-pipe. A pipeline parallel training script for diffusion models.

ml-xraytransients-mnras. Representation learning for time-domain high-energy astrophysics: Discovery of extragalactic fast X-ray transient XRT 200515 (Dillmann et al. 2024): doi.org/10.1093/mnras/stae2808

ESProFile. A powerful ESP32-based emulator and diagnostic tool for ProFile and Widget hard drives.

simdphrase. Rust

as-dithered-image. HTML custom element to correctly dither an image giving pixel-perfect crisp results on all displays

SlotsDump. Tools for extracting and parsing Macintosh Slot Manager ROMs.

facets. Client-side faceted search engine

blacklight_range_limit. Range facet/limit/profile plugin for Blacklight

palm-sync. TypeScript toolkit for Palm HotSync

movie-iris. Visualizing movie frames as art

TRELLIS. Official repo for paper "Structured 3D Latents for Scalable and Versatile 3D Generation" (CVPR'25 Spotlight).

SystemSix. e-Ink Calendar

PenPoint-Virtualbox. Virtualbox image with PenPoint SDK 1.0 and PenPoint OS itself

RAG_Techniques. This repository showcases various advanced techniques for Retrieval-Augmented Generation (RAG) systems. Each technique has a detailed notebook tutorial.

ASCII-generator. ASCII generator (image to text, image to image, video to video)

dreamsim. DreamSim: Learning New Dimensions of Human Visual Similarity using Synthetic Data (NeurIPS 2023 Spotlight) / / / / When Does Perceptual Alignment Benefit Vision Representations? (NeurIPS 2024)

imgs.ai. A fast, dataset-agnostic, deep visual search engine for digital art history

datalink. B&O datalink reverse engineering effort

tweetback. Take ownership of your Twitter data and get your tweets back

macflim. MacFlim flim player source code and utilities

kotaemon. An open-source RAG-based tool for chatting with your documents.

docling. Get your documents ready for gen AI

adb-test-host. A host for testing Apple Desktop Bus (ADB) devices.

adb-protocol-analyzer. A protocol analyzer for the Apple Desktop Bus (ADB).

faiss. A library for efficient similarity search and clustering of dense vectors.

RackmountMac.

apple-lisa. The unofficial source code mirror for Apple Lisa.

Born-Digital-Scripts. Scripts to help process Born-Digital Material

kea-mboot. Kea hooks library and instructions for net-booting some types of retro Mac computers.

LisaPascal. A parser and browser for the Lisa source code published by the Computer History Museum

annotorious. Add image annotation functionality to any web page with a few lines of JavaScript.

HFS-Image-Inspect-and-Repair-Tools. This repository contains some small Python tools I made when I was inspecting and modifying classic Mac OS CD images.

afp-perl. AFP client library and implementation in pure Perl

workslate. A1="Hello World"+WaitFor("Greatness")

SoftDorothy-SharewareProjects. Disk images (intended for emulators) containing code and tools for building Soft Dorothy Software games. Primarily vintage Pascal and C calling the vintage Macintosh Toolbox.

SoftDorothy-CasadyGreeneProjects. Disk images (intended for emulators) containing code and tools for building the early Casady & Greene commercial games.

surya. OCR, layout analysis, reading order, table recognition in 90+ languages

sd-aide. C

hootswitch. ADB keyboard/mouse switch for vintage Mac computers.

MacDock. Like the macOS Dock... but for System 7

mac-tip. A port of GRC's "TIP: Zip & Jaz Drive and Cartridge Testing System" for 68k and PowerPC Macintosh systems

mac-minivnc. A VNC remote desktop server for vintage Macintosh computers, including the Mac Plus.

ImageWriter2. Unofficial OS X ImageWriter II printer driver

Concept. Concept Modeling: Topic Modeling on Images and Text

sam2. The repository provides code for running inference with the Meta Segment Anything Model 2 (SAM 2), links for downloading the trained model checkpoints, and example notebooks that show how to use the model.

rom_fiend. Macintosh ROM file template for Hex Fiend

teslerpoint. A slide carousel system that displays bitmap images on an Apple Lisa.

torchlens. Capture every activation and gradient of any PyTorch model — forward and backward — with automatic graph visualization, rich metadata, and live interventions. Works on any architecture, including dynamic and recurrent ones.

ISA-PicoMEM. PicoMEM Doc and Firmware

macproxy_classic. A simple HTTP proxy for putting old computers on the Web

escsitoolbox. Toolbox for emulated SCSI devices (BlueSCSI, ZuluSCSI) on DOS/Windows hosts

scuzEMU. SCSI EMulator Utility

dingusppc. An experimental emulator

asitop. Perf monitoring CLI tool for Apple Silicon

lisaem. The first fully functional Lisa Emulator™

catbox. Hey, Canon, look what I did to your "work processor."

gw-tools. I like making dedicated scripts for each format/system of floppy disk I rip to integrate validation and exctraction

hollywood. Shell

hollywood. Shell

nuc_rgb. CLI to control the RGB LED on Intel NUC 11/12 Extreme, for Linux and Windows

MapReader. A computer vision pipeline for exploring and analyzing images at scale

AnyV2V. Code and data for "AnyV2V: A Tuning-Free Framework For Any Video-to-Video Editing Tasks" [TMLR 2024]

Indofashionclip. Fine tuning OpenAI's CLIP model on Indian Fashion Dataset

mistral-finetune. Python

Multilingual-CLIP. OpenAI CLIP text encoders for multiple languages!

word-rain. Python

Time-Sequenced-Historical-Map-Queries. An automatic system for visualizing how a place, and the names it uses, change over time on historical maps

DeepSolo. The official repo for [CVPR'23] "DeepSolo: Let Transformer Decoder with Explicit Points Solo for Text Spotting" & [ArXiv'23] "DeepSolo++: Let Transformer Decoder with Explicit Points Solo for Multilingual Text Spotting"

gradient_descent_viz. interactive visualization of 5 popular gradient descent methods with step-by-step illustration and hyperparameter tuning UI

LLaVA. [NeurIPS'23 Oral] Visual Instruction Tuning (LLaVA) built towards GPT-4V level capabilities and beyond.

VoiceCraft. Zero-Shot Speech Editing and Text-to-Speech in the Wild

jacquard-rtc. Real-time communication application form Google Jacquard tag to macOS

QuickDrawViewer. A Mac OS X utility to visualise QuickDraw (PICT) files. It allows exporting to PDF format.

macfonts. data fork to resource fork conversion of Apple fonts and typefaces that are no longer available; clone into ~/Library/Fonts/

llm.c. LLM training in simple, raw C/CUDA

fast_vector_similarity. High-performance vector similarity library in Rust with Python bindings: Spearman, Kendall, distance correlation, Jensen-Shannon, Hoeffding's D, and bootstrapped confidence intervals

GeoCLUSTER. GeoCLUSTER is a Python-based web application that provides a collection of interactive methods for streamlining the visualization of the technical and economic modeling of closed-loop geothermal systems.

BlueSCSI-v2. BlueSCSI v2/Ultra - an open source, open hardware, SCSI emulator using the Pi Pico PR2040 and Pico 2 RP2350

docfd. TUI multiline fuzzy document finder

ragflow. RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs

DEXPERT. A Transformer-based object-centric approach for date estimation of historical photographs

gradio_image_annotator. A component that allows you to annotate an image with points and boxes.

pcjr_keyboard. IBM PCjr keyboard adapter to ATmega controlers. Based on PJRC usb_keyboard sample code.

monolith. ⬛️ CLI tool and library for saving complete web pages as a single HTML file

tashnotes. Tashtari's notes on vintage Macintosh and IBM PC and more.

foss_sci_drivers. Newly written drivers for Sierra's Creative Interpreter

GreaseweazleExternalAdapter. Adapter PCB to easily use external floppy drives with a greaseweazle

greaseweazle-firmware. Device firmware for accessing a floppy drive at the raw flux level

greaseweazle. Tools for accessing a floppy drive at the raw flux level

LisaMandelbrot. Mandelbrot set plotters for the Apple Lisa

picoatp. A tiny AppleTalk (ATP) stack for 8-bit PICs.

whisper-timestamped. Multilingual Automatic Speech Recognition with word-level timestamps and confidence

archives-web. Helper functions and web app for METS/ALTO archive viewing.

sbb_images. Image Annotation Tool and Image Search

map-atr-explorer. Svelte

fltr. Like grep but for natural language questions. Based on Mistral 7B or Mixtral 8x7B.

SUPIR. SUPIR aims at developing Practical Algorithms for Photo-Realistic Image Restoration In the Wild. Our new online demo is also released at suppixel.ai.

mPLUG-Owl. mPLUG-Owl: The Powerful Multi-modal Large Language Model Family

EternalTerminal. Re-Connectable secure remote shell

CiderPress2. A software tool for working with Apple II and vintage Mac disk images and file archives.

latent-scope. A scientific instrument for investigating latent spaces

CSN. Interactive Visualization Interface for Multidimensional Datasets

umap-explorer. An interactive UMAP visualization of the MNIST data set.

fuzzy-search. A fast, accurate and multilingual fuzzy search library for the frontend.

ChatRTX. A developer reference project for creating Retrieval Augmented Generation (RAG) chatbots on Windows using TensorRT-LLM

LWM. Large World Model -- Modeling Text and Video with Millions Context