Introducing My New App for Podcast Translation and Vocabulary

Flungus 🍄

Flungus is a macOS 14.4+ menu bar app that captures system audio, streams it to ElevenLabs for realtime transcription, and shows live captions in a notch-style overlay. You can select words or phrases in the overlay to trigger an OpenAI-powered translation into the configured target language.

What it does

• Captures system audio using the macOS process tap APIs.
• Streams audio to ElevenLabs realtime STT for live captions.
• Displays captions in a floating notch panel.
• Supports selection-based translation via OpenAI with structured output.
• Stores API keys locally for quick startup.

Requirements

• macOS 14.4 or newer.
• ElevenLabs API key.
• OpenAI API key.

Quick start

1. Build the app:

   swift build
   

2. Run it from Xcode or your preferred workflow.
3. Enter API keys when prompted.