coraine

Lightweight, plugin-driven NGSI-LD Context Broker in C, starting in 10ms with a tiny footprint.

Servicefreeglobal

coraine is a free, open-source NGSI-LD Context Broker for IoT/smart-city data platforms (the FIWARE standard), fully conformant with the official ETSI test suite while staying under 1 MiB and starting in 10 milliseconds. It's plugin-driven, so storage, history, and API extensions are all swappable shared libraries rather than baked into the core.

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