| Component | Language / Platform | Primary Maintainer | |-----------|----------------------|--------------------| | | C (ARM‑CMSIS) + Rust bindings | OpenIoT‑Consortium | | Node.js SDK | TypeScript, ESM | IoT‑Labs | | Python Client | CPython ≥ 3.10, optional C‑accelerator | PyIoT‑Group | | Ledger Smart‑Contract | Solidity (Ethereum‑compatible) + WASM for Hyperledger Fabric | DL‑IoT Initiative | | Web UI for Schema Registry | React 18 + TailwindCSS | SDJS‑217‑Portal |