Alternatives

Products that do what An hour in front of you? Build your own on-device Voice AI does

1. 1LA
   Leova – An API to Add AI-Powered Voice to Mobile Apps in Mere Minutes▲19

   2015 · leova.io

2. 2SA
   Siri-as-a-Service Speech API▲242

   2014 · wit.ai

3. 3BA
   Building a “Babel Fish”, realtime translation of voice calls▲45

   2018 · nexmo.com

4. 4B3
   Building 30ms voice AI – faster response than human speech processing▲7

   2025 · synthicai.com

5. 5
   Conversable▲123

   Conversational intelligence through voice and text

   2017

6. 6AT
   A tool to make a bot that speaks like you, learning from WhatsApp chats▲134

   2018 · github.com

7. 7OS
   Open-Source Quarter Sized AI Voice Assistant (ESP32-Pipecat)▲5

   2025 · github.com

8. 8AV
   AI Voice Generator▲5

   Say things with OpenAI text to speech.

   2023 · chat.openai.com

9. 9RT
   Real Time Voice Cloning▲13

   2019 · github.com

10. 10
    Talkform.org, Turn voice inputs into structured data using front end AI▲5

    26d ago · talkform.org

11. 11VB
    Voice-based AI system for getting flights (beta)▲6

    2016 · getleova.com

12. 12SA
    Speechtext.ai – Automated Transcription Service with Human Accuracy▲12

    2020 · speechtext.ai

13. 13SA
    Scheduling Async Voice Messages on RPi Made Easy with NatOS▲13

    2017 · github.com

14. 14VA
    Voxxy – a minimal, fast voice-to-text app for macOS▲9

    May 2026 · voxxy.io

15. 15VS
    Voice Synthesis and Editing Platform▲8

    2020 · narrationbox.com

16. 16SI
    Sonantic.io - Realistic AI voice narration.▲7

    2020 · sonantic.io

17. 17AO
    An open-source ELO benchmark for voice agents▲8

    2024 · bench.audio

18. 18VT
    Voices – Text to speech using familiar A.I. generated voices▲9

    2019 · voice.headliner.app

19. 19RT
    Real-time AI voice chat with Santa▲8

    2023 · hisanta.ai

20. 20VO
    Violet – open-source framework for Voice Apps▲10

    2020 · helloviolet.ai

21. 21SO
    State-of-the-Art Conversational AI▲7

    2019 · convai.huggingface.co

22. 22PS
    People's Voicemail – a voice-based message board▲7

    2020 · peoplesvoicemail.com

23. 23CA
    Create AI Dialogue Podcasts▲6

    2024 · newspodcastdone.com

24. 24VA
    VocalVoid – An audio based open forum▲7

    2021 · vocalvoid.com

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