Migliori alternative open source a ElevenLabs

Voicebox is a local-first ElevenLabs and WisprFlow alternative combining seven-engine voice cloning, Whisper transcription, system-wide dictation, a multi-track stories editor, and REST or MCP access for agent voice output.

VoiceStudio is a local-first ElevenLabs alternative for voice cloning, design, dubbing, dictation, and long-form audio, with 16 TTS engines, 11 ASR engines, desktop apps, and local OpenAI-compatible and MCP interfaces.