Open source. Open possibilities.

Self-hosted, cookieless web analytics dashboard: real-time visitors and 3D map, channels and UTM breakdown, Stripe revenue attribution, funnels, retention, and per-page tracking of AI crawlers. Docker install, MIT licensed.

Docker-OSX runs macOS virtual machines inside Docker containers using QEMU and KVM, with near-native performance, X11 forwarding, SSH, VNC, folder sharing and iPhone USB passthrough. It targets security research and CI/CD for macOS, supporting many macOS releases from High Sierra to Sequoia.

FermiViewer analyzes electron microscopy images (TEM/STEM, EELS, EDS, diffraction) for formats including DM3/4/5, EMD, HDF5, TIFF. Offers EELS/EDS quantification, diffraction analysis, 4D-STEM, grain segmentation, and measurement tools. Built with Python/FastAPI and React, it provides desktop and web interfaces, batch processing, and a Python scripting API.

A free 21-lesson Microsoft course for beginners to build generative AI applications, covering LLMs, prompt engineering, RAG, agents, fine-tuning, and more, with Python/TypeScript examples.

A versatile command-line tool that converts visual media and videos into high-quality GIFs, supporting TrueColor images by utilizing multiple local color tables.

A monorepo containing configuration files for Saeki Tominaga's personal website (w0s.jp). It centralizes linting and type-checking rules for HTML, CSS, and JavaScript/TypeScript using tools like Markuplint, Stylelint, Oxlint, ESLint, and TypeScript.

Personal web app for recording and visualizing daily condition with 7-item scores. Vue 3 + TypeScript. Recorded data can be copied via clipboard to external threads; design decisions documented in docs/ADR.

pgfathom is a read‑only CLI tool that discovers undocumented PostgreSQL relationships by analyzing catalog data, usage evidence, and statistics. It outputs verdicts (broken, confirmed, weak) and reviewable SQL scripts to help fix hidden foreign keys.

Worktrail provides spec-format-agnostic task orchestration for autonomous development workflows with parallel git-worktree execution, deterministic routing, and work-queue handoff. It includes intake triage, backlog seeding, and human decision queues for unattended operation.

Saas UI is a design system and source component registry for SaaS products built on Chakra UI. It provides a Chakra preset, CLI-installed editable components, hooks, forms, auth and modal packages, plus docs, Storybook and examples.

A modern, intuitive terminal-based text editor designed as a successor to nano. Ships as a single static binary with no dependencies, featuring multiple cursors, splits, tabs, syntax highlighting for 130+ languages, and a Lua plugin system.

DAVx⁵ is an open-source CalDAV/CardDAV synchronization suite for Android that supports contacts, calendars, and tasks.

Gifski is a macOS app that converts videos to high-quality GIFs using the gifski encoder with pngquant's cross-frame palettes and temporal dithering. Supports .mp4/.mov, up to 50 FPS, with quality, dimensions, speed, cropping, and bounce-loop settings.

TeslaMate is a self-hosted data logger for Tesla vehicles. It records high-precision drive, battery, and charging data into Postgres, visualizes it through bundled Grafana dashboards, and publishes vehicle state to a local MQTT broker for Home Assistant and Node-Red.

Vapor is an HTTP web framework for Swift, providing an expressive foundation for building websites, APIs and cloud projects. It targets Swift 6.0+, ships under the MIT license, and is backed by an active Discord community plus documented guides.

RightMemory provides durable memory, a user-directed Pursuit map, and reusable Agent Corrections for AI coding agents. It stores context as Git-syncable Markdown trees organized in a graph with typed edges, enabling multi-device continuity and multi-agent collaboration while keeping memory ownership explicit and vendor-neutral.

Rocket.Chat is a secure, open-source communications platform developed in TypeScript, designed for organizations requiring high standards of data protection and customizable team collaboration.

BGSTM is a methodology-agnostic software testing framework built on six core phases, from test planning to results reporting. It ships guidance, templates, worked examples, and a self-hostable FastAPI + React reference application with traceability and quality dashboards.

A production-ready React component library for building AI DIAL interfaces, featuring base components, theming, accessibility, Storybook docs, and an MCP server for AI agents.

Materialize is a modern CSS framework based on Material Design principles, providing a set of tools to create responsive and visually consistent user interfaces.