Top SPEECH GitHub Repositories & Tools (2026)

Vocello: a local, private voice studio for Apple Silicon. Write a script, pick or describe a voice, and generate speech on-device, faster than realtime on an 8 GB M2 Mac mini. Native Swift + MLX, no Python. Mac app out now, iPhone beta on TestFlight. (Formerly QwenVoice.)

Petal is a native macOS menu bar app for fast, local-first audio transcription.

Cross-platform local voice typing and meeting transcription for macOS and Linux.

On-device meeting transcriber for macOS — auto-records Teams/Zoom/Webex, transcribes & separates speakers locally. No cloud. Open-source alternative to Otter/Granola/Fireflies.

Records and transcribes online meetings. Automatically

Create AI videos from the terminal. Official CLI for the HeyGen video generation API.

Speaker diarization in Rust. 312–912x realtime on Apple Silicon, 50–121x on CUDA. Matches pyannote accuracy.

iOS & watchOS speech-to-text app with AI voice keyboard, on-device RAG, and chat with your notes - powered by Apple Foundation Models, WhisperKit, NVIDIA Parakeet, and 20+ AI providers

Open-source, offline voice-to-text for macOS. Hold a hotkey, speak, text appears. Private on-device dictation with multiple speech engines.

Jellyfin plugin for local AI-powered subtitle generation using Whisper - all processing stays on your server

High-performance neural networks engine for web, built on top of TypeGPU

a light weight connector for espeak-ng and speakup

Binders for macOS: local-first dictation, meeting notes and memory, with an MCP server for your AI tools. Private by design, free, open source.

Fast native macOS dictation with Soniox transcription and configurable AI cleanup.

Native macOS transcription for selected-app audio and microphone input, using Apple’s on-device speech frameworks with durable timestamped Markdown output

Private, local text-to-speech for Apple silicon Macs

Local, private voice dictation for macOS

TypeWhisper for Windows - Local speech-to-text with translation

Mila — native macOS local transcription app (whisper.cpp) with optional speaker diarization. Apache-2.0.

AI speech toolkit for Apple Silicon — ASR, TTS, speech-to-speech, VAD, and diarization powered by MLX and CoreML