A simple and efficient JSON library for embedded C++. ★ 7124 stars on GitHub! Supports serialization, deserialization, MessagePack, streams, filtering, and more. Fully tested and documented.
Lightweight PCM audio processing for voice-assistant style pipelines: format conversion, level metering, resampling, and voice activity detection (RMS-based and WebRTC-based), both as one-shot and streaming APIs.