KiCad boards from 5 GitHub repositories tagged “offline-first”, the most starred first; open any of them in PCBKit.
samyyy2311/CassetteCat
A music player for Android. Plays your own files, Jellyfin and Navidrome/Subsonic servers, and internet radio, with synced lyrics, an equalizer, Android Auto and a Listening Record. No account or tracking.
angeloINTJ/simut
Sistema Integrado de Monitoramento Universal e Telemetria: open-source firmware for the Raspberry Pi Pico W and Pico 2 W.
KostaJovanovic/Universal-File-Analyser
Zero-backend, browser-only forensic workbench - drop a file and it classifies and analyses it entirely on your device (200+ formats, EXIF, hex, spectrograms, on-device AI vocal separation, 3D/CAD viewers).
techmiguel/neo-robot
Open-source ESP32-S3 voice assistant: offline wake word with TinyML (TensorFlow Lite Micro + ESP-NN), Whisper speech-to-text, local LLM (Ollama, Gemma, Qwen) or Groq, streaming TTS.
