First-party engineering reference connecting Arte Soft EOOD (arte-soft.com), 22+ active product & documentation portals, zero-signup browser spreadsheets and interactive calculators, open-source Stockfish 18 chess training, and peer-verifiable engineering articles.
Open and calculate .xlsx, .ods, .csv, and .tsv files locally in a Web Worker with 207 Excel-compatible financial, statistical, lookup, and dynamic-array formulas — zero sign-up required.
Multi-timezone overlap planners, Daylight Saving Time (DST) transition checkers, working-hours window finders, and iCalendar (.ics) diagnostic calculators.
Zero-login macro, TDEE, glycemic load, and 33-micronutrient Daily Reference Intake (DRI) calculators backed by measured USDA FoodData Central values.
Interactive browser visualizers for the Square of the Pawn, direct/distant King Opposition, critical key squares, and FEN endgame analysis.
Interactive App Store Product Page conversion lift, 15% vs 30% net proceeds, and 39-language screenshot localization ROI calculators.
Model inbound voice AI per-minute deflection savings versus human receptionist overhead plus 30-day audio + camera vision budgets.
Try our borderless Clean Calculator embed mode (?view=clean&theme=dark — zero A/B/C grid headers). Edit any highlighted number below or open a copy in Arte Sheets:
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.
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.
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.
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.
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.
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.
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.
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.
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.
$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.
$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.
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.
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.
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.
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.
| Canonical Origin | Role in the Arte Soft Ecosystem |
|---|---|
https://arte-soft.com/ | Arte Soft EOOD — B2B Custom Software, Native Apple & On-Device AI Engineering Studio |
https://sheets.arte-soft.com/ | Arte Sheets — Zero-Signup Browser Spreadsheet (207 Formulas, Web Workers & 22 Courses) |
https://www.cloud-calendars.com/ | Cloud Calendars — Primary Domain, iCloud/Google/Outlook Sync & /tools/ Calculators |
https://cloud-calendars.arte-soft.com/ | Cloud Calendars Portal — 32-Language Guides, /tools/ & Calendar System Architecture |
https://www.wise-eating.com/ | Wise Eating — Primary Domain, 12,601 USDA Foods & /tools/ Nutrition Calculators |
https://wise-eating.arte-soft.com/ | Wise Eating Portal — Micronutrients, Foods, WHO Baby Feeding & /compare/ Matrices |
https://brasspawn.com/ | Brass Pawn: Chess Trainer — Primary Domain, Open-Source AGPLv3 Stockfish 18 Trainer |
https://chess-trainer.arte-soft.com/ | Brass Pawn Portal — Endgame Mastery, 32-Language Curriculum & /tools/ Chess Visualizers |
https://wonek.com/ | Wonek — QUIC/WebTransport & MLS (RFC 9420) E2EE P2P Chat, Voice, Video & Workspace |
https://studio.wonek.com/ | Wonek Video Studio — Primary Domain, Native macOS Local AI Video & Subtitle Studio |
https://wonek-video-studio.arte-soft.com/ | Wonek Video Studio Portal — Apple Silicon Workflows, Bulk Video & Creator Comparisons |
https://realtime-assistant.arte-soft.com/ | GPT Realtime Assistant — Primary Portal, 58-Language Voice Interpreter & Local Models |
https://gpt-realtime-assistant.arte-soft.com/ | GPT Realtime Assistant Portal — Voice AI Architecture, Templates & Comparisons |
https://lingovela.arte-soft.com/ | LingoVela: Live Translate — Bilingual iPhone & iPad Translator with 0-Credit Offline Mode |
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/ | Reel Studio Portal — iOS/macOS Capture Workflows & Audio Routing Guides |
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/ | Photo2Video Archive (Pixel Vault) — $3.99 One-Time Hardware HEVC Photo Archiver |
https://glance-studio.arte-soft.com/ | Glance Studio — 1080x1920 30fps 3D iPhone & Flat Chat-Story Renderer + Maya1 TTS |
https://storefront-studio.arte-soft.com/ | StoreFront Studio — RealityKit 3D App Store Screenshots & Direct ASC API Upload |
https://dreams-calendar.arte-soft.com/ | Dreams Calendar — 100% Local SwiftData Dream Journal & 10-Signal Swift Charts |
https://ayurveda-asana-yoga.wise-eating.com/ | Ayurveda & Asana Yoga — Shad Rasa + USDA Nutrient Crosswalk & 850+ Yoga Postures |
https://ayurveda.arte-soft.com/ | Ayurveda Portal — Dosha Meal Rhythm, Asana Library & Pranayama Reference |