TL;DR: Cicada hooks directly into system audio to process speech locally on Apple silicon or via configured API endpoints on other platforms. It uses speech-to-text models to generate bilingual transcripts and structured summaries on the fly, while routing voice output through a virtual audio driver when interpreting.

Best for: Developers and remote workers who spend hours on international calls and livestreams.

Repository snapshot: ⭐ 2 143 stars · 🍴 370 forks · Swift · Apache-2.0

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What it is

Cicada is an open-source Swift application designed to provide real-time speech recognition, live bilingual subtitles, and structured meeting notes directly from your system audio. It eliminates the need for third-party recording bots in video conferencing software.

How it works

The application intercepts system audio streams locally. On Apple silicon Macs, it leverages on-device speech models to process transcription completely offline.…