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Achievement: QuickdrawAchievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: YOLO

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purysho/README.md

Purysho — Ideas into useful things.

Built with intention. Designed for clarity.


EDUCATION · TOOLS FOR TEACHERS
Built for the classroom

Margin — AI-drafted, teacher-approved feedback for student writing EduBoard — local-first teacher operating system for gradebook, rubrics, attendance and reports ClassGraph — local-first classroom analysis, seating and grouping
Margin review screen: essay with colour-coded comments and AI suggestions

Try Margin live ↗  ·  Repository ↗

 EduBoard dashboard

Open EduBoard ↗  ·  Download ↓

 ClassGraph class workspace overview

Open ClassGraph ↗  ·  Download ↓

Margin: AI drafts feedback on students' writing and recorded speaking; the teacher approves every word, and every decision measures how far the AI can be trusted. EduBoard: a teacher's whole working week (gradebook, attendance, reports) in one offline app. ClassGraph: class data, seating and groups, with plans that explain themselves.


DEVELOPER TOOLS · V1.1.0 · WINDOWS, MACOS, LINUX
Switchyard

Switchyard — local developer workspace command center

Open Switchyard ↗  ·  Download v1.1.0 ↓

FEATURED PRODUCT · V0.20.0
QuantOS

QuantOS — free, open-source, point-in-time investment research that never trades

Open QuantOS ↗  ·  Download latest ↓

RECENT BUILDS · SEP 2026
New work

Cascade — deterministic city crisis strategy game

Play Cascade ↗

 Latch — local-first security broker for AI agents

Open Latch ↗  ·  Download ↓

 Salesforce Writing Coach — structure-first review for customer-facing email

Open Writing Coach ↗

SELECTED WORK
Selected projects

UNDERSTAND

BLACKBOX — repository intelligence and local codebase forensics Needle — private local search across your own files PalisadeDB — a custom local database engine built from first principles Witness — evidence-first RAG workbench for inspectable answers and provenance

Explore Understand ↗


OPERATE

Relay — local HTTP client, inspector, history browser and mock server Forge — local workflow automation for commands, files and HTTP calls Pulse — local process and network relationship monitor

Explore Operate ↗


MAINTAIN

Rift — read-only folder and build comparison Cull — safe duplicate detection and quarantine Quarry — local disk-space survey and analysis

Explore Maintain ↗


WANDER

GitHub Treasure Hunt — client-side discovery for finding interesting open-source repositories Open Question Atlas — a visual atlas for browsing unanswered questions across fields of knowledge Lodestar — a reflective star map for ideas, memories and meaningful connections

Explore the Wandering collection ↗


How I build: local first, small surface, clear purpose, release deliberately


Tools I reach for: Python, TypeScript, React, Rust, Tauri and Git


Explore public repositories ↗   ·   purysho.github.io ↗


Ideas into useful things

Pinned Loading

  1. TreasureHunt TreasureHunt Public

    A calm discovery engine for open-source gems: search, browse a topic, filter for hidden gems, or roll the dice.

    JavaScript 1 1

  2. Lodestar Lodestar Public

    A quiet, personal night sky for the things that struck you. Place ideas among your stars and draw your own constellations.

    JavaScript

  3. OpenQuestionAtlas OpenQuestionAtlas Public

    A calm, searchable map of the questions humanity has not answered yet.

    JavaScript 1

  4. BLACKBOX BLACKBOX Public

    Local repository forensics: structure, hotspots, risks, dependencies and suspicious code patterns, without uploading a line.

    Python

  5. Needle Needle Public

    A private local search engine for indexing, finding, browsing and opening files on your own computer.

    Python

  6. PalisadeDB PalisadeDB Public

    A compact database engine built from first principles: its own pager, B+ tree, SQL layer and crash recovery.

    Python