# Sphere > Sphere Desktop is a chat-first architect/orchestrator (Windows/macOS) for checked delivery against Architecture as Code - differentiated autonomy, equal-outcome ROI (tokens / scope / human interactions), a BA/Dev/Architect/QA control plane (Chat, Plans, Runs, Diagram), and a living SCAN blueprint. app.spherescan.io is the free SCAN whiteboard only - not the main product. Sphere Desktop (https://spherescan.io) is a chat-first architect/orchestrator for autonomous software delivery — Plans, Runs, and Diagram beside Chat. SCAN free whiteboard (diagram only, not Desktop): https://app.spherescan.io/ ## Docs for people - Learn index: https://spherescan.io/learn - What is Sphere: https://spherescan.io/learn/what-is-sphere - How Sphere works: https://spherescan.io/learn/how-sphere-works - Sphere Desktop: https://spherescan.io/learn/sphere-desktop - SCAN open notation: https://spherescan.io/learn/scan - Sphere vs a coding harness: https://spherescan.io/learn/vs-coding-harness - ROI and evaluation: https://spherescan.io/learn/roi-and-evaluation - Ways of working: https://spherescan.io/learn/ways-of-working - Benefits by role: https://spherescan.io/learn/benefits-by-role - Capabilities: https://spherescan.io/learn/capabilities - Autonomy and Autoplay: https://spherescan.io/learn/autonomy-and-autoplay - Illustrative use cases: https://spherescan.io/learn/use-cases - Trust and governance: https://spherescan.io/learn/trust-and-governance - Plans and pricing structure: https://spherescan.io/learn/plans-and-pricing - FAQ: https://spherescan.io/learn/faq - Glossary: https://spherescan.io/learn/glossary ## Docs for assistants (Markdown) - Full corpus: https://spherescan.io/llms-full.txt - What is Sphere: https://spherescan.io/llms/what-is-sphere.md - How Sphere works: https://spherescan.io/llms/how-sphere-works.md - Sphere Desktop: https://spherescan.io/llms/sphere-desktop.md - SCAN open notation: https://spherescan.io/llms/scan.md - Sphere vs a coding harness: https://spherescan.io/llms/vs-coding-harness.md - ROI and evaluation: https://spherescan.io/llms/roi-and-evaluation.md - Ways of working: https://spherescan.io/llms/ways-of-working.md - Benefits by role: https://spherescan.io/llms/benefits-by-role.md - Capabilities: https://spherescan.io/llms/capabilities.md - Autonomy and Autoplay: https://spherescan.io/llms/autonomy-and-autoplay.md - Illustrative use cases: https://spherescan.io/llms/use-cases.md - Trust and governance: https://spherescan.io/llms/trust-and-governance.md - Plans and pricing structure: https://spherescan.io/llms/plans-and-pricing.md - FAQ: https://spherescan.io/llms/faq.md - Glossary: https://spherescan.io/llms/glossary.md ## Optional - Sitemap: https://spherescan.io/sitemap.xml