AI 時代のビルダーに、オープンソースの金脈を。

Zen C is a systems language with high-level ergonomics that compiles to readable GNU C11 and runs with C-level performance.

A simple Windows desktop app for viewing and running basic SQL queries on Apache Parquet files.

A Java library that runs raw curl commands as ordinary Java method calls, so you can paste curl from Postman or browser DevTools without writing HTTP client code.

Cloudflare Workers上で動作するセルフホスト型メールサービス。1つのドメインに複数のメールボックスを作成でき、メール送信や添付ファイル、レスポンシブなWeb UIを利用できます。

Open-source inventory management system with stock control, part tracking, a REST API and a plugin system, built on Python and Django.

A simple, clean compass app for Android with magnetic and true north modes and a sighting mode.

A text-based farming and life sim set in a Chinese-style village, inspired by Stardew Valley, built with Vue 3 and TypeScript for the browser.

A shell-like, text-based terminal file manager where you manage files by typing commands instead of using a TUI or GUI.

Free, open-source markerless motion capture system that records multi-camera video and reconstructs 3D human movement.

TiXL is an open source realtime motion graphics tool that combines node-based procedural graphics with keyframe animation.

A collection of 54 single-file, dependency-free Python scripts that implement modern AI algorithms from scratch so their internals are readable.

Python data quality library that lets teams write declarative Expectations as unit tests for their data and generate validation reports.

A complete C99/C11 parser written in pure Python, producing an AST from C source code with no external dependencies.

A secure Python sandbox written in Rust for running code generated by AI, without containers.

Markdownのメモ、会議の文字起こし、ドキュメントを対象に、BM25、ベクトル検索、LLMによる再ランキングを組み合わせたローカル実行型のCLI検索エンジン。

サービス、ワーカー、キュー、cronジョブ、エージェントを、単一のライブ関数カタログを通じて構成・発見・トレースできるRustランタイム。

An in-app debugging toolkit for iOS apps that adds a floating debug menu for inspecting network traffic, performance, views, logs and app data.

Cross-platform GUI for visualized traceroute on Windows, Linux and macOS, using the NextTrace backend.

Self-hosted location timeline that turns GPS data from apps like OwnTracks and Overland into stays, trips, and analytics, an alternative to Google Timeline.

OpenAI、Claude、Gemini互換APIを提供するセルフホスト型AIゲートウェイ。複数の上流モデルプロバイダーをルーティングし、APIキー、クォータ、コストを管理できます。