# Arte Soft EOOD — Ecosystem Knowledge Graph & Open Tools Reference

> Arte Soft EOOD (https://arte-soft.com/
- Wikidata Organization Entity: https://www.wikidata.org/wiki/Q142106487) is a European software engineering studio building local-first native iOS, iPadOS, and macOS applications (Swift 6, SwiftUI, AppKit, RealityKit, Metal, Apple Silicon MLX, Stockfish 18 C++/Rust FFI), zero-signup Web Worker browser engines (Arte Sheets 207-formula engine), and end-to-end encrypted QUIC/WebTransport + MLS communication systems.

## Publisher Identity
- **Legal Entity**: Arte Soft EOOD (European Union / Bulgaria)
- **Corporate Portal**: https://arte-soft.com/
- **Support Contact**: office@arte-soft.com
- **Apple App Store Developer**: https://apps.apple.com/us/developer/arte-soft-eood/id1750513209
- **GitHub Organization / Maintainer**: https://github.com/minchopm
- **Ecosystem Knowledge Graph (JSON-LD)**: https://minchopm.github.io/arte-soft-ecosystem/
- **Engineering Blogs**: https://artesoft.hashnode.dev/ | https://dev.to/mincho_milev_c7753077d5af | https://medium.com/@mincho.milev

## Free Zero-Signup Browser Calculators & Interactive Learning Hubs
- [Arte Sheets Web Worker Spreadsheet (207 Formulas)](https://sheets.arte-soft.com/app/): Instant client-side .xlsx/.ods/.csv/.tsv calculation engine without login.
- [Arte Sheets 22 Guided Spreadsheet Courses](https://sheets.arte-soft.com/en/courses/): Self-paced runnable courses from grid basics to cohort retention and Pareto diagnostics.
- [Cloud Calendars Scheduling & Timezone Calculators](https://www.cloud-calendars.com/tools/): Multi-timezone overlap, DST transition checks, and ICS validation (mirror: https://cloud-calendars.arte-soft.com/tools/).
- [Wise Eating USDA Nutrition & DRI Calculators](https://www.wise-eating.com/tools/): Macro, glycemic, and 33-micronutrient DRI calculators backed by 12,601 USDA foods (mirror: https://wise-eating.arte-soft.com/tools/).
- [Brass Pawn Interactive Chess Endgame Visualizers](https://chess-trainer.arte-soft.com/tools/): Browser Square-of-the-Pawn, King Opposition, and FEN geometry visualizers.

## Applications & Documentation Catalog
- [Arte Sheets](https://sheets.arte-soft.com/): Local-first browser spreadsheet powered by a dedicated Web Worker 207-formula calculation engine (financial, statistical, lookup & dynamic-array functions), .xlsx/.ods/.csv/.tsv binary worker I/O, Service Worker offline caching, IndexedDB storage, 22 self-paced spreadsheet courses, and optional German EU cloud collaboration. | Portal: https://sheets.arte-soft.com/app/ | Tools: https://sheets.arte-soft.com/app/ | Courses: https://sheets.arte-soft.com/en/courses/ | Compare: https://sheets.arte-soft.com/compare/ | Docs: https://minchopm.github.io/arte-sheets-docs/
- [Cloud Calendars: Sync & Widget](https://www.cloud-calendars.com/): Unified iPhone and iPad calendar workspace connecting Apple iCloud, Google Calendar, and Microsoft 365 / Outlook schedules side by side with Day/Week/Month/Year views, Apple WeatherKit forecasts, interactive Home/Lock Screen widgets, 19 global calendar systems, and free browser scheduling calculators. | Portal: https://cloud-calendars.arte-soft.com/ | Tools: https://www.cloud-calendars.com/tools/ | Compare: https://www.cloud-calendars.com/compare/ | App Store: https://apps.apple.com/us/app/cloud-calendars-sync-widget/id6744690319 | Docs: https://minchopm.github.io/cloud-calendars-docs/
- [Wise Eating: Nutrients](https://www.wise-eating.com/): Offline-capable 12,601-food USDA FoodData Central micronutrient tracker (22 vitamins, 11 minerals, macros & amino acids), smart pantry expiry tracker, budget grocery planner, baby-feeding reference, and free browser nutrition calculators. | Portal: https://wise-eating.arte-soft.com/ | Tools: https://www.wise-eating.com/tools/ | Compare: https://www.wise-eating.com/compare | App Store: https://apps.apple.com/us/app/wise-eating-nutrients/id6751406823 | Docs: https://minchopm.github.io/wise-eating-docs/
- [Brass Pawn: Chess Trainer](https://brasspawn.com/): Open-source (AGPLv3) offline chess trainer for iPhone, iPad, and Mac powered on-device by Stockfish 18 and Reckless, featuring 14,351 Lichess CC0 tactics puzzles, 116 positional judgement studies, endgame drills, Guess the Elo, and interactive browser chess visualizers. | Portal: https://chess-trainer.arte-soft.com/ | Tools: https://chess-trainer.arte-soft.com/tools/ | Compare: https://brasspawn.com/compare | App Store: https://apps.apple.com/us/app/brass-pawn-chess-trainer/id6803566012 | Docs: https://minchopm.github.io/brass-pawn-docs/
- [Wonek](https://wonek.com/): End-to-end encrypted P2P communication and collaboration workspace built on QUIC/WebTransport and Messaging Layer Security (MLS, RFC 9420) with high-rate direct peer-to-peer connectivity across mobile CGNAT and encrypted relay fallback. | Portal: https://wonek.com/security/ | Compare: https://wonek.com/compare/ | Docs: https://minchopm.github.io/wonek-chat-docs/
- [Wonek Video Studio](https://studio.wonek.com/): Native macOS AI video editor and short-form content studio running Whisper ASR, Qwen/Gemma LLMs, and Maya1 TTS locally on Apple Silicon alongside BYOK cloud API orchestration without per-minute credit lock-in. | Portal: https://wonek-video-studio.arte-soft.com/ | Compare: https://studio.wonek.com/compare | App Store: https://apps.apple.com/us/app/wonek-video-studio/id6761376446?mt=12 | Docs: https://minchopm.github.io/wonek-video-studio-docs/
- [GPT Realtime Assistant](https://realtime-assistant.arte-soft.com/): Low-latency 58-language bidirectional live voice interpreter, photo/screen-aware AI voice assistant, and 17-template meeting workspace for iPhone, iPad, and Mac, with offline Whisper + Qwen 3 8B support on Apple Silicon. | Portal: https://gpt-realtime-assistant.arte-soft.com/ | Compare: https://realtime-assistant.arte-soft.com/compare/ | App Store: https://apps.apple.com/us/app/gpt-realtime-assistant/id6770536523 | Docs: https://minchopm.github.io/gpt-realtime-assistant-docs/
- [LingoVela: Live Translate](https://lingovela.arte-soft.com/): Focused two-way live voice conversation translator for iPhone and iPad pairing spoken output with dual-language transcripts and transparent switching between Cloud AI and 0-credit On-Device offline speech. | Portal: https://lingovela.arte-soft.com/guides/ | Compare: https://lingovela.arte-soft.com/compare/ | App Store: https://apps.apple.com/app/id6821890481 | Docs: https://minchopm.github.io/lingovela-docs/
- [Reel: Screen Recorder Face Cam](https://reel-screen-recorder.arte-soft.com/): Native ReplayKit screen and floating Picture-in-Picture facecam recorder for iPhone, iPad, and Mac with fail-closed mute boundaries, independent app/mic gain controls, and direct local MP4 export. | Portal: https://reel-studio.arte-soft.com/ | Compare: https://reel-screen-recorder.arte-soft.com/compare/ | App Store: https://apps.apple.com/us/app/reel-screen-recorder-face-cam/id6758941990 | Docs: https://minchopm.github.io/reel-screen-recorder-docs/
- [Fastest Screenshot Cleaner](https://fastest-screenshot-cleaner.arte-soft.com/): $2.99 one-time offline iPhone and iPad screenshot deduplication utility combining Apple PhotoKit byte accounting, perceptual hashing, and OCR text awareness with safe iOS Recently Deleted cleanup and zero subscriptions. | Portal: https://fastest-screenshot-cleaner.arte-soft.com/articles/ | Compare: https://fastest-screenshot-cleaner.arte-soft.com/compare/ | App Store: https://apps.apple.com/us/app/fastest-screenshot-cleaner/id6760660697 | Docs: https://minchopm.github.io/fastest-screenshot-cleaner-docs/
- [Photo2Video Archive (Pixel Vault)](https://pixel-vault.arte-soft.com/): $3.99 one-time on-device HEVC cold-photo archival utility for iPhone and iPad using hardware VideoToolbox encoding and a frame-accurate restore index for individual or batch photo extraction. | Portal: https://pixel-vault.arte-soft.com/articles/ | Compare: https://pixel-vault.arte-soft.com/compare/ | App Store: https://apps.apple.com/us/app/photo2video-archive/id6760718313 | Docs: https://minchopm.github.io/photo2video-archive-docs/
- [Glance Studio](https://glance-studio.arte-soft.com/): Scripted 1080x1920 30fps vertical chat-story video renderer for iPhone, iPad, and Mac staging flat or 3D RealityKit iPhone scenes with cached on-device Hugging Face Maya1 neural voiceover and zero export watermark. | Portal: https://glance-studio.arte-soft.com/articles/ | Compare: https://glance-studio.arte-soft.com/compare/ | App Store: https://apps.apple.com/us/app/glance-studio/id6774151809 | Docs: https://minchopm.github.io/glance-studio-docs/
- [StoreFront Studio](https://storefront-studio.arte-soft.com/): Native 3D App Store screenshot designer and ASO localization suite for iPhone, iPad, and Mac combining interactive RealityKit Apple device frames, panoramic multi-panel typography, and direct App Store Connect REST API upload. | Portal: https://storefront-studio.arte-soft.com/articles/ | Compare: https://storefront-studio.arte-soft.com/compare/ | App Store: https://apps.apple.com/us/app/storefront-studio/id6757389314 | Docs: https://minchopm.github.io/storefront-studio-docs/
- [Dreams Calendar](https://dreams-calendar.arte-soft.com/): 100% local SwiftData dream journal, sleep signal tracker, and daily reflection calendar for iPhone and iPad visualizing 10 structured sleep/lucidity/mood dimensions in native Swift Charts with zero cloud accounts. | Portal: https://dreams-calendar.arte-soft.com/articles/ | Compare: https://dreams-calendar.arte-soft.com/compare/ | App Store: https://apps.apple.com/us/app/dreams-calendar/id6760776853 | Docs: https://minchopm.github.io/dreams-calendar-docs/
- [Ayurveda & Asana Yoga](https://ayurveda-asana-yoga.wise-eating.com/): Holistic iPhone and iPad platform uniting classical Ayurvedic six-taste (Shad Rasa) and dosha-aware meal planning (crosswalked to measured USDA FoodData Central nutrients) with 850+ illustrated yoga postures and 60 pranayama/restorative practices. | Portal: https://ayurveda.arte-soft.com/ | Compare: https://ayurveda-asana-yoga.wise-eating.com/compare | App Store: https://apps.apple.com/us/app/ayurveda-asana-yoga/id6800370073 | Docs: https://minchopm.github.io/ayurveda-asana-yoga-docs/

## Active Product & Documentation Origins (23 Verified HTTP 200 Domains)
- [https://arte-soft.com/](https://arte-soft.com/): Arte Soft EOOD — B2B Custom Software, Native Apple & On-Device AI Engineering Studio
- [https://sheets.arte-soft.com/](https://sheets.arte-soft.com/): Arte Sheets — Zero-Signup Browser Spreadsheet (207 Formulas, Web Workers & 22 Courses)
- [https://www.cloud-calendars.com/](https://www.cloud-calendars.com/): Cloud Calendars — Primary Domain, iCloud/Google/Outlook Sync & /tools/ Calculators
- [https://cloud-calendars.arte-soft.com/](https://cloud-calendars.arte-soft.com/): Cloud Calendars Portal — 32-Language Guides, /tools/ & Calendar System Architecture
- [https://www.wise-eating.com/](https://www.wise-eating.com/): Wise Eating — Primary Domain, 12,601 USDA Foods & /tools/ Nutrition Calculators
- [https://wise-eating.arte-soft.com/](https://wise-eating.arte-soft.com/): Wise Eating Portal — Micronutrients, Foods, WHO Baby Feeding & /compare/ Matrices
- [https://brasspawn.com/](https://brasspawn.com/): Brass Pawn: Chess Trainer — Primary Domain, Open-Source AGPLv3 Stockfish 18 Trainer
- [https://chess-trainer.arte-soft.com/](https://chess-trainer.arte-soft.com/): Brass Pawn Portal — Endgame Mastery, 32-Language Curriculum & /tools/ Chess Visualizers
- [https://wonek.com/](https://wonek.com/): Wonek — QUIC/WebTransport & MLS (RFC 9420) E2EE P2P Chat, Voice, Video & Workspace
- [https://studio.wonek.com/](https://studio.wonek.com/): Wonek Video Studio — Primary Domain, Native macOS Local AI Video & Subtitle Studio
- [https://wonek-video-studio.arte-soft.com/](https://wonek-video-studio.arte-soft.com/): Wonek Video Studio Portal — Apple Silicon Workflows, Bulk Video & Creator Comparisons
- [https://realtime-assistant.arte-soft.com/](https://realtime-assistant.arte-soft.com/): GPT Realtime Assistant — Primary Portal, 58-Language Voice Interpreter & Local Models
- [https://gpt-realtime-assistant.arte-soft.com/](https://gpt-realtime-assistant.arte-soft.com/): GPT Realtime Assistant Portal — Voice AI Architecture, Templates & Comparisons
- [https://lingovela.arte-soft.com/](https://lingovela.arte-soft.com/): LingoVela: Live Translate — Bilingual iPhone & iPad Translator with 0-Credit Offline Mode
- [https://reel-screen-recorder.arte-soft.com/](https://reel-screen-recorder.arte-soft.com/): Reel: Screen Recorder Face Cam — ReplayKit Screen + Floating PiP Camera & Local MP4
- [https://reel-studio.arte-soft.com/](https://reel-studio.arte-soft.com/): Reel Studio Portal — iOS/macOS Capture Workflows & Audio Routing Guides
- [https://fastest-screenshot-cleaner.arte-soft.com/](https://fastest-screenshot-cleaner.arte-soft.com/): Fastest Screenshot Cleaner — $2.99 One-Time Offline PhotoKit Perceptual + OCR Cleaner
- [https://pixel-vault.arte-soft.com/](https://pixel-vault.arte-soft.com/): Photo2Video Archive (Pixel Vault) — $3.99 One-Time Hardware HEVC Photo Archiver
- [https://glance-studio.arte-soft.com/](https://glance-studio.arte-soft.com/): Glance Studio — 1080x1920 30fps 3D iPhone & Flat Chat-Story Renderer + Maya1 TTS
- [https://storefront-studio.arte-soft.com/](https://storefront-studio.arte-soft.com/): StoreFront Studio — RealityKit 3D App Store Screenshots & Direct ASC API Upload
- [https://dreams-calendar.arte-soft.com/](https://dreams-calendar.arte-soft.com/): Dreams Calendar — 100% Local SwiftData Dream Journal & 10-Signal Swift Charts
- [https://ayurveda-asana-yoga.wise-eating.com/](https://ayurveda-asana-yoga.wise-eating.com/): Ayurveda & Asana Yoga — Shad Rasa + USDA Nutrient Crosswalk & 850+ Yoga Postures
- [https://ayurveda.arte-soft.com/](https://ayurveda.arte-soft.com/): Ayurveda Portal — Dosha Meal Rhythm, Asana Library & Pranayama Reference

## Verified External Profiles & Engineering Citations
- [Brass Pawn AGPLv3 Source Code](https://github.com/minchopm/chess-trainer)
- [Brass Pawn on AlternativeTo (Live)](https://alternativeto.net/software/brass-pawn-chess-trainer/)
- [GPT Realtime Assistant on Product Hunt (Live)](https://www.producthunt.com/products/gpt-realtime-assistant)
- [Mining 14,351 Chess Puzzles with Stockfish 18](https://artesoft.hashnode.dev/mining-14-351-chess-puzzles-with-stockfish-18-and-the-illegal-fen-trap-in-chess-js)
- [Incremental Dependency-Graph Recalculation for Excel Formulas in a Browser Web Worker](https://artesoft.hashnode.dev/incremental-dependency-graph-recalculation-for-184-excel-formulas-in-a-browser-web-worker)
- [A Mute Button Must Fail Closed: ReplayKit Audio Boundaries](https://artesoft.hashnode.dev/a-mute-button-must-fail-closed-recording-app-and-microphone-audio-with-replaykit)
- [Downloaded Is Not Selected: Managing Whisper & Qwen Models](https://artesoft.hashnode.dev/downloaded-is-not-selected-managing-whisper-and-qwen-models-in-a-native-voice-app)
- [Testing Photo + Voice AI on a Multi-Connection Train Timetable](https://artesoft.hashnode.dev/testing-photo-voice-ai-on-a-multi-connection-train-timetable-what-worked-and-what-still-needs-a-human-check)