Top SPEECH GitHub Repositories & Tools (2026)

World's first open-source, agentic video production system. 12 production pipelines, 100+ tools, 700+ agent skill and production-knowledge files. Turn your AI coding assistant into a full video production studio.

The truly free, and open-source cross-platform CapCut replacement (supports MCPs).

Voice-to-text dictation app with local (Nvidia Parakeet/Whisper) and cloud models (BYOK). Privacy-first and available cross-platform.

Local UI to run and train LLMs and diffusion models. Supports GGUF, MLX, Qwen3.8, DeepSeek-V4, MiniMax-H3, Gemma 4, FLUX and more.

Port of OpenAI's Whisper model in C/C++

ODS V3 Pre-Release: Public testing and refinement ahead of the official V3 launch. Turn your PC, Mac, or Linux box into a private AI server.

🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.

Open singing synthesis platform / Open source UTAU successor

Open source voice AI platform. Self-hosted alternative to Vapi and Retell. On Prem, BYOK across Speech to Speech or LLM/STT/TTS, with a visual workflow builder, MCP native and telephony support.

Open-source, local-first Granola/Otter alternative that Claude Code, Codex, Cursor, and any MCP client can query. Meetings, calls, and voice memos transcribed on-device into markdown you own.

ggml speech-to-text inference for 16+ model families

Open-source local AI SDK - run AI on-device with no cloud, no API keys. Supports GGUF, RAG, image, music, and video generation, speech-to-text, P2P inference, and more. Cross-platform: Linux, macOS, Windows, Android, iOS.

Muesli: agent-native local meeting transcription + dictation for macOS (Granola + WisprFlow alternative)

Build voice agents with open-source models

Frontier CoreML audio models in your apps — text-to-speech, speech-to-text, voice activity detection, and speaker diarization. In Swift, powered by SOTA open source.

Open-source realtime voice agent server in Go with WebRTC (WHIP), barge-in, streaming STT/LLM/TTS pipelines, plugin system, multi-language SDKs, SIP telephony, ESP32 support & fully local mode.

Captains log and 3d star map for Elite Dangerous

very fast speech-to-text, diarization, streaming (even in CPU) with NVIDIA Parakeet in Rust

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.