HandLive for Android: runs Handoff and other continuity features on Android, in sync with Mac, iPhone and iPad. Kotlin, Jetpack Compose, Ktor, Tink
Parrot Firmware: ESP32 firmware, Bluetooth pairing, board and phone compatibility. Public issues and roadmap; no source code.
Android Auto Call Switcher — use your chosen Bluetooth hands-free device for cellular call speaker and microphone audio while Android Auto handles navigation and media.
Turn an M5Stack ATOM Echo into a one-button Bluetooth microphone and prompt controller for Vibe Coding on macOS.
Hands-free fix for the Samsung Galaxy A52s 5G Bluetooth call bug: car/headset connected, but you can't hear the caller. Android 12–16, no root, no notifications.
Desktop companion for JioPhone (KaiOS) over Bluetooth — calls, contacts, call logs, recording, exports, and Google Drive backup.
Windows Host Audio Bridge routing and mixing PC audio to Bluetooth HFP and phone endpoints
Offline Bluetooth HFP firmware overlay for Rokid A113 speakers and phone-side ChatGPT Voice
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