# Voice Tools Directory
# Curated voice AI tools for creators, game developers, and voice AI builders.
# License: CC BY 4.0
# API: /api/tools.json

## Tools

### ACE-Step UI
slug: ace-step-ui
url: https://github.com/fspecii/ace-step-ui
category: sound_effects
tagline: Local open-source UI for ACE-Step 1.5 music generation
price: free
capabilities: voice_cloning, multilingual, chinese_support, open_source
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-29

### Adobe Podcast
slug: adobe-podcast
url: https://podcast.adobe.com
category: audio_cleanup
tagline: AI speech enhancement and lightweight podcast recording tools
price: from $9.99/mo
capabilities: chinese_support
licensing: commercial=true, youtube=true, game=false, cloning=false
verified: 2026-04-26

### Agora
slug: agora
url: https://www.agora.io/
category: realtime_infrastructure
tagline: Realtime engagement infrastructure for voice, video, streaming, and AI agents
price: freemium
capabilities: multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### AssemblyAI
slug: assemblyai
url: https://www.assemblyai.com/
category: stt
tagline: Speech-to-text and speech understanding API for production voice applications
price: freemium
capabilities: multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### Audacity
slug: audacity
url: https://www.audacityteam.org/
category: creator_editing
tagline: Open-source audio editor for recording, editing, cleanup, and creator workflows
price: free
capabilities: multilingual, chinese_support, open_source
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### AudioCraft
slug: audiocraft
url: https://github.com/facebookresearch/audiocraft
category: sound_effects
tagline: Meta open-source research library for MusicGen, AudioGen, and audio generation
price: free
capabilities: open_source
licensing: commercial=false, youtube=false, game=false, cloning=false
verified: 2026-04-28

### Auphonic
slug: auphonic
url: https://auphonic.com/
category: audio_cleanup
tagline: Automatic podcast post-production, leveling, noise reduction, and loudness control
price: from $11/mo
capabilities: multilingual
licensing: commercial=true, youtube=true, game=false, cloning=false
verified: 2026-04-28

### Beatoven.ai
slug: beatoven-ai
url: https://www.beatoven.ai
category: sound_effects
tagline: Royalty-free AI background music and sound effects for creator content
price: from $10/mo
capabilities: none
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### Bland AI
slug: bland-ai
url: https://www.bland.ai/
category: voice_agent_platform
tagline: Hosted AI phone agent platform for outbound and inbound voice workflows
price: paid
capabilities: multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=false, cloning=false
verified: 2026-04-28

### Botpress
slug: botpress
url: https://botpress.com/en
category: conversation_framework
tagline: Visual AI agent platform that can connect web, chat, and voice channels
price: from $89/mo
capabilities: multilingual, chinese_support
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### Cartesia
slug: cartesia
url: https://cartesia.ai
category: tts
tagline: Low-latency streaming TTS for realtime voice agents
price: freemium
capabilities: voice_cloning, multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-26

### Chatterbox
slug: chatterbox
url: https://github.com/resemble-ai/chatterbox
category: tts
tagline: Open-source TTS model with voice cloning and emotion control
price: free
capabilities: voice_cloning, multilingual, chinese_support, open_source
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-28

### Cleanvoice AI
slug: cleanvoice-ai
url: https://cleanvoice.ai/
category: audio_cleanup
tagline: Creator-focused filler-word removal and speech cleanup for podcasts and videos
price: from $10/mo
capabilities: multilingual
licensing: commercial=true, youtube=true, game=false, cloning=false
verified: 2026-04-28

### Daily
slug: daily
url: https://www.daily.co/
category: realtime_infrastructure
tagline: WebRTC audio and video infrastructure for realtime apps and voice agents
price: freemium
capabilities: multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### Deepgram
slug: deepgram
url: https://deepgram.com
category: stt
tagline: Fast streaming speech-to-text API for realtime voice AI
price: freemium
capabilities: multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-26

### Descript
slug: descript
url: https://www.descript.com
category: creator_editing
tagline: Text-based audio and video editor for podcasts and creator content
price: from $12/mo
capabilities: voice_cloning, multilingual, chinese_support
licensing: commercial=true, youtube=true, game=false, cloning=true
verified: 2026-04-26

### ElevenLabs
slug: elevenlabs
url: https://elevenlabs.io
category: tts
tagline: Hosted voice and audio generation default for quality-focused teams
price: from $6/mo
capabilities: voice_cloning, multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-28

### F5-TTS
slug: f5-tts
url: https://github.com/SWivid/F5-TTS
category: tts
tagline: Open-source flow matching TTS model for zero-shot voice cloning
price: free
capabilities: voice_cloning, chinese_support, open_source
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-20

### faster-whisper
slug: faster-whisper
url: https://github.com/SYSTRAN/faster-whisper
category: stt
tagline: Fast open-source Whisper inference using CTranslate2 for local transcription
price: free
capabilities: multilingual, chinese_support, open_source
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### FineVoice
slug: finevoice
url: https://finevoice.ai/
category: voice_changer
tagline: AI voice changer, TTS, transcription, and creator audio toolkit
price: from $5.99/mo
capabilities: voice_cloning, multilingual, chinese_support
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-28

### Gladia
slug: gladia
url: https://www.gladia.io/
category: stt
tagline: Realtime and batch speech-to-text API for multilingual voice products
price: freemium
capabilities: multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### Google Flow Music
slug: google-flow-music
url: https://flowmusic.google/
category: sound_effects
tagline: AI music creation tool powered by Google's Lyria 3 Pro model
price: from $7.99/mo
capabilities: multilingual
licensing: commercial=false, youtube=false, game=false, cloning=false
verified: 2026-05-23

### HeyGen
slug: heygen
url: https://heygen.com
category: dubbing
tagline: AI avatar video generation and multilingual video translation platform
price: from $29/mo
capabilities: voice_cloning, multilingual, chinese_support
licensing: commercial=true, youtube=true, game=false, cloning=true
verified: 2026-04-20

### Janus Gateway
slug: janus-gateway
url: https://janus.conf.meetecho.com/
category: realtime_infrastructure
tagline: Open-source general-purpose WebRTC server with plugin-based media routing
price: free
capabilities: realtime, open_source
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### Kits AI
slug: kits-ai
url: https://www.kits.ai/
category: voice_cloning
tagline: AI singing and voice conversion platform for music creators
price: from $10/mo
capabilities: voice_cloning, multilingual
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-28

### Krisp
slug: krisp
url: https://krisp.ai/
category: audio_cleanup
tagline: AI noise cancellation and meeting audio cleanup for calls and recordings
price: from $8/mo
capabilities: multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=false, cloning=false
verified: 2026-04-28

### LangGraph
slug: langgraph
url: https://github.com/langchain-ai/langgraph
category: conversation_framework
tagline: Open-source graph runtime for stateful agent workflows and voice orchestration
price: free
capabilities: multilingual, chinese_support, realtime, open_source
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### LiveKit
slug: livekit
url: https://livekit.io
category: realtime_infrastructure
tagline: Open-source realtime audio infrastructure for voice agents
price: freemium
capabilities: multilingual, chinese_support, realtime, open_source
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-26

### mediasoup
slug: mediasoup
url: https://mediasoup.org/
category: realtime_infrastructure
tagline: Open-source WebRTC SFU for custom realtime audio and video infrastructure
price: free
capabilities: realtime, open_source
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### MorphVOX
slug: morphvox
url: https://screamingbee.com/morphvox-free-voice-changer
category: voice_changer
tagline: Classic realtime voice changer for online games and voice chat
price: from $39.99/mo
capabilities: realtime
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### Murf AI
slug: murf
url: https://murf.ai
category: tts
tagline: Voiceover studio for marketing, training, and brand narration
price: from $19/mo
capabilities: voice_cloning, multilingual, chinese_support
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-28

### NotebookLM
slug: notebooklm
url: https://notebooklm.google
category: creator_editing
tagline: Source-grounded AI notes and Audio Overviews for knowledge creators
price: freemium
capabilities: multilingual, chinese_support
licensing: commercial=false, youtube=false, game=false, cloning=false
verified: 2026-04-26

### OpenAI Realtime API
slug: openai-realtime
url: https://platform.openai.com/docs/guides/realtime
category: voice_agent_platform
tagline: Native speech-to-speech API for low-latency voice agents
price: paid
capabilities: multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-26

### OpenVoiceOS
slug: openvoiceos
url: https://www.openvoiceos.org/
category: voice_agent_platform
tagline: Open-source privacy-focused voice assistant platform for custom devices
price: free
capabilities: multilingual, realtime, open_source
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### OptimizerAI
slug: optimizerai
url: https://optimizerai.xyz/
category: sound_effects
tagline: AI sound effect generator for games, videos, and interactive prototypes
price: freemium
capabilities: none
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### OpusClip
slug: opusclip
url: https://opus.pro
category: creator_editing
tagline: AI long-to-short video clipping tool for creator channels
price: from $9/mo
capabilities: multilingual, chinese_support
licensing: commercial=true, youtube=true, game=false, cloning=false
verified: 2026-04-26

### Pipecat
slug: pipecat
url: https://pipecat.ai
category: conversation_framework
tagline: Open-source framework for realtime voice and multimodal agents
price: free
capabilities: multilingual, chinese_support, realtime, open_source
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-26

### PlayHT
slug: playht
url: https://play.ht/
category: voice_cloning
tagline: Hosted AI voice generator with voice cloning, API access, and multilingual voices
price: from $39/mo
capabilities: voice_cloning, multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-28

### Podcastle
slug: podcastle
url: https://podcastle.ai
category: creator_editing
tagline: Browser-based podcast recording, editing, AI voices, and hosting
price: from $11.99/mo
capabilities: voice_cloning, multilingual, chinese_support
licensing: commercial=true, youtube=true, game=false, cloning=true
verified: 2026-04-26

### Rasa
slug: rasa
url: https://opensource.rasa.com/
category: conversation_framework
tagline: Open-source conversational AI framework for assistants and dialogue control
price: free
capabilities: multilingual, chinese_support, open_source
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### Rask AI
slug: rask-ai
url: https://www.rask.ai/
category: dubbing
tagline: AI video localization and dubbing platform for creator and business content
price: from $60/mo
capabilities: voice_cloning, multilingual, chinese_support
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-28

### Resemble AI
slug: resemble-ai
url: https://www.resemble.ai
category: voice_cloning
tagline: Voice cloning platform with pay-as-you-go TTS and safeguards
price: freemium
capabilities: voice_cloning, multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-28

### Retell AI
slug: retell-ai
url: https://www.retellai.com
category: voice_agent_platform
tagline: Low-code voice agent platform for phone and web AI calls
price: paid
capabilities: voice_cloning, multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-26

### Riverside
slug: riverside
url: https://riverside.com
category: creator_editing
tagline: Remote recording, transcript editing, and AI clips for creators
price: from $15/mo
capabilities: multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=false, cloning=false
verified: 2026-04-26

### RWS AI Dubbing
slug: rws-ai-dubbing
url: https://www.rws.com/localization/services/translation-services/video-and-audio-translation/ai-dubbing-and-vo/
category: dubbing
tagline: Enterprise AI dubbing and voice-over service powered by Papercup technology
price: enterprise
capabilities: multilingual, chinese_support
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### Silero VAD
slug: silero-vad
url: https://github.com/snakers4/silero-vad
category: conversation_framework
tagline: Lightweight open-source voice activity detection for speech apps
price: free
capabilities: multilingual, chinese_support, realtime, open_source
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-26

### so-vits-svc
slug: so-vits-svc
url: https://github.com/svc-develop-team/so-vits-svc
category: voice_changer
tagline: Open-source singing voice conversion project for experimental creator workflows
price: free
capabilities: voice_cloning, multilingual, chinese_support, open_source
licensing: commercial=false, youtube=false, game=false, cloning=true
verified: 2026-04-28

### SpeechBrain
slug: speechbrain
url: https://speechbrain.github.io/
category: stt
tagline: Open-source speech toolkit for ASR, speaker recognition, and speech research
price: free
capabilities: multilingual, chinese_support, open_source
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### Stable Audio Open
slug: stable-audio-open
url: https://stability.ai/news/introducing-stable-audio-open
category: sound_effects
tagline: Open model for generating short audio samples and sound design elements
price: free
capabilities: open_source
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-26

### Subtitle Edit
slug: subtitle-edit
url: https://github.com/SubtitleEdit/subtitleedit
category: creator_editing
tagline: Free open-source subtitle editor with waveform timing and Whisper transcription
price: free
capabilities: multilingual, chinese_support, open_source
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-05-01

### Suno
slug: suno
url: https://suno.com
category: sound_effects
tagline: AI song generator for music, vocals, lyrics, and instrumentals
price: from $8/mo
capabilities: voice_cloning
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-27

### TEN Framework
slug: ten-framework
url: https://github.com/TEN-framework/ten-framework
category: voice_agent_platform
tagline: Open-source realtime multimodal framework for conversational voice AI agents
price: free
capabilities: voice_cloning, multilingual, chinese_support, realtime, open_source
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-28

### Twilio Voice
slug: twilio-voice
url: https://www.twilio.com/en-us/voice
category: realtime_infrastructure
tagline: Telephony and programmable voice APIs for calls, agents, and contact center flows
price: paid
capabilities: multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=false, cloning=false
verified: 2026-04-28

### Udio
slug: udio
url: https://www.udio.com
category: sound_effects
tagline: AI music generator for songs, stems, remixes, and short creator music
price: from $10/mo
capabilities: none
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### Vapi
slug: vapi
url: https://vapi.ai
category: voice_agent_platform
tagline: Developer-first voice AI orchestration platform with SDKs and phone integrations
price: paid
capabilities: voice_cloning, multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-20

### VibeVoice
slug: vibevoice
url: https://github.com/microsoft/VibeVoice
category: tts
tagline: Open-source long-form multi-speaker conversational TTS research project
price: free
capabilities: multilingual, chinese_support, open_source
licensing: commercial=false, youtube=false, game=false, cloning=false
verified: 2026-04-26

### Vocode
slug: vocode
url: https://github.com/vocodedev/vocode-python
category: conversation_framework
tagline: Open-source framework for programmable voice agents and phone calls
price: free
capabilities: voice_cloning, multilingual, chinese_support, realtime, open_source
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-28

### Voice.ai
slug: voice-ai
url: https://voice.ai/
category: voice_changer
tagline: AI voice changer, TTS, and voice tool suite with a free tier
price: from $5/mo
capabilities: voice_cloning, multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-28

### Voicebox
slug: voicebox
url: https://voicebox.sh
category: voice_cloning
tagline: Local-first open-source voice cloning, TTS, dictation, and agent voice studio
price: free
capabilities: voice_cloning, multilingual, chinese_support, open_source
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-28

### Voicemod
slug: voicemod
url: https://www.voicemod.net/
category: voice_changer
tagline: Realtime voice changer and soundboard for gamers, streamers, and creators
price: freemium
capabilities: multilingual, chinese_support, realtime
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### W-Okada Voice Changer
slug: w-okada-voice-changer
url: https://github.com/w-okada/voice-changer
category: voice_changer
tagline: Open-source realtime voice changer with local and Colab workflows
price: free
capabilities: voice_cloning, multilingual, chinese_support, realtime, open_source
licensing: commercial=false, youtube=false, game=false, cloning=true
verified: 2026-04-28

### WellSaid
slug: wellsaid
url: https://www.wellsaid.io
category: tts
tagline: Brand-safe AI voiceover studio with licensed voice avatars
price: from $50/mo
capabilities: voice_cloning, multilingual, chinese_support
licensing: commercial=true, youtube=true, game=true, cloning=true
verified: 2026-04-28

### WhisperX
slug: whisperx
url: https://github.com/m-bain/whisperX
category: stt
tagline: Open-source Whisper transcription with word timestamps and diarization
price: free
capabilities: multilingual, chinese_support, open_source
licensing: commercial=true, youtube=true, game=true, cloning=false
verified: 2026-04-28

### YouTube Auto Dubbing
slug: youtube-auto-dubbing
url: https://support.google.com/youtube/answer/15569972
category: dubbing
tagline: YouTube-native automatic dubbing for eligible creator videos
price: free
capabilities: multilingual, chinese_support
licensing: commercial=true, youtube=true, game=false, cloning=false
verified: 2026-04-26

## Categories
tts, stt, voice_cloning, dubbing, sound_effects, voice_changer, audio_cleanup, voice_agent_platform, realtime_infrastructure, conversation_framework

## User Groups
creators (YouTubers, podcasters, audiobook authors), game_devs (NPC dialogue, localization), voice_ai_builders (agents, companions, phone bots)