This combination makes VibeVoice with ComfyUI one of the best free alternatives to commercial AI speech tools, giving you the power to create professional-grade audio locally on your own machine, with full privacy & no vendor lock-in.

Jan is a fully offline, local-first AI companion designed to put control, privacy & performance back in your hand. Jan makes it incredibly simple to download, run, and interact with Local LLMs like Llama (by Meta), Gemma (by Google) , Qwen and more, all without sending a single byte to the cloud unless you choose to.

WinSTT is a lightweight desktop application designed to bring accurate & efficient speech-to-text (STT) capabilities to Windows users by leveraging OpenAI’s Whisper model. Unlike traditional speech recognition tools that rely on cloud processing, WinSTT runs completely offline, providing users with both privacy & performance.

Handy is a powerful, privacy-focused, offline speech-to-text AI application designed for speed, simplicity, and complete local processing. Built with Tauri (Rust + React + TypeScript), Handy brings frictionless transcription to Windows, macOS, and Linux—completely free and open source.