Quartalis is a digital products store for developers who build real systems. 45 products extracted from production infrastructure running 24/7 on bare metal: Docker stacks, n8n workflow automations, SvelteKit + FastAPI starters, AI/RAG tools, MCP server kits, streaming overlays, and more. Everything from £9. Built by a solo dev in the UK who runs 39 Docker containers, 200+ API endpoints, and 150K+ knowledge chunks on a refurbished server.