Parse, view, query, edit, validate and export building models. Browser-first WebGPU viewer, TypeScript SDK, CLI, MCP server and Rust/WASM core with dual exact-arithmetic & SMlib geometry kernels.
Browser-native IFC viewer + local-first ERP kernel. Frictionless. Two DBs. One browser. Zero install.
Semantic diff engine for IFC/BIM models. Compare two revisions and see exactly what was added, removed, or modified.
Rust/WebAssembly engine for IFC/BIM: SPF parser, geometry & deterministic GPU mesh, bidirectional IFC⇄BIM-JSON (import/export), EXPRESS validation, IDS, and an IFC5/IFCX reader seam. MIT OR Apache-2.0.
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