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AI · alternatives · 2026

24 alternatives to Project S.A.T.U.R.D.A.Y

An open source, self hosted, J.A.R.V.I.S-like assistant

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Project S.A.T.U.R.D.A.Y launched in 2023; newer entries below may have overtaken it.

  1. 1

    Welcome to Project S.A.T.U.R.D.A.Y. This is a project that allows anyone to easily build their own self-hosted J.A.R.V.I.S-like voice assistant. In my mind vocal computing is the future of human-computer interaction and by open sourcing this code I hope to expedite us on that path. I have had a blast working on this so far and I'm excited to continue to build with it. It uses whisper.cpp [1], Coqui TTS [2] and OpenAI [3] to do speech-to-text, text-to-text and text-to-speech inference all 100% locally (except for text-to-text). In the future I plan to swap out OpenAI for llama.cpp [4]. It is…

    2023 · github.com · its alternatives →

  2. 2

    Build Powerful Voice Agents

    2025 · openai.com · its alternatives →

  3. 3

    Hey hn, I put together a collection of audio and agent components for Next.js built on top of ShadCN. Hope you find this useful & let me know if there’s ant feedback a (GitHub repo will be open sourced tomorrow am)

    2025 · ui.elevenlabs.io · its alternatives →

  4. 4

    Hi HN! Last year the project I launched here got a lot of good feedback on creating speech to speech AI on the ESP32. Recently I revamped the whole stack, iterated on that feedback and made our project fully open-source—all of the client, hardware, firmware code. This Github repo turns an ESP32-S3 into a realtime AI speech companion using the OpenAI Realtime API, Arduino WebSockets, Deno Edge Functions, and a full-stack web interface. You can talk to your own custom AI character, and it responds instantly. I couldn't find a resource that helped set up a reliable, secure websocket (WSS) AI…

    2025 · github.com · its alternatives →

  5. 5

    First TTS model to support all 22 Indic languages + English

    2024 · its alternatives →

  6. 6

    I've been obsessed for the past ~year with the possibilities of talking to LLMs. I built a bunch of one-off prototypes, shared code on X, started a Meetup group in SF, and co-hosted a big hackathon. It turns out that there are a few low-level problems that everybody building conversational/real-time AI needs to solve on the way to building/shipping something that works well: low-latency media transport, echo cancellation, voice activity detection, phrase endpointing, pipelining data between models/services, handling voice interruptions, swapping out different…

    2024 · github.com · its alternatives →

  7. 7

    Open-source TTS with emotion & voice cloning

    2025 · canopylabs.ai · its alternatives →

  8. 8

    The open-source framework for real-time AI voice

    2025 · videosdk.live · its alternatives →

  9. 9

    Describe any AI voice and prompt its emotional delivery

    2025 · hume.ai · its alternatives →

  10. 10
    Voila▲141

    Open-source AI for real-time, expressive voice role-play

    2025 · voila.maitrix.org · its alternatives →

  11. 11

    Ultra-realistic AI voices & cloning

    2025 · allvoicelab.com · its alternatives →

  12. 12

    Local voice chatbot for engaging conversations, powered by Ollama, Hugging Face Transformers, and Coqui TTS Toolkit - mezbaul-h/june

    2024 · github.com · its alternatives →

  13. 13

    :speech_balloon: An On-Premises, Streaming Speech Recognition System - GitHub - iceychris/LibreASR: :speech_balloon: An On-Premises, Streaming Speech Recognition System

    2020 · github.com · its alternatives →

  14. 14

    A fast, open-source voice assistant powered by Groq, Cartesia, and Vercel.

    2024 · swift-ai.vercel.app · its alternatives →

  15. 15

    A few years ago, right after high school, I decided to try to make a simultaneous translation app for Android as a side project, it took longer than expected (about 2 years) and I had to make a lot of compromises (I had to use Google's API and therefore make users use a developer key because at the time there were no free solutions for speech recognition and translation that had good quality). At the end of university, I decided to pick it up again and finally, using OpenAi's Whisper for speech recognition and Meta's NLLB for translation (with both running locally on the phone), I managed to…

    2024 · github.com · its alternatives →

  16. 16
    Voxabot▲67

    Text to speech editor with SSML and API connections

    2020 · voxabot.com · its alternatives →

  17. 17
    Rasa X▲83

    Improve your assistant by learning from real conversations

    2019 · rasa.com · its alternatives →

  18. 18
    OpenWispr▲190

    100% local open source AI speech-to-text model

    2025 · openwhispr.com · its alternatives →

  19. 19
    Rasa Core▲140

    Machine learning-based dialogue engine for smarter bots

    2017 · rasa.com · its alternatives →

  20. 20

    Our goal with this project is to build a completely open source, state of the art turn detection model that can be used in any voice AI application. I've been experimenting with LLM voice conversations since GPT-4 was first released. (There's a previous front page Show HN about Pipecat, the open source voice AI orchestration framework I work on. [1]) It's been almost two years, and for most of that time, I've been expecting that someone would "solve" turn detection. We all built initial, pretty good 80/20 versions of turn detection on top of VAD (voice activity detection) models. And…

    2025 · github.com · its alternatives →

  21. 21

    Voice creator by ElevenLabs, Ssemble plugin

    2023 · ssemble.com · its alternatives →

  22. 22

    1. In the US, about 1/5 children are hospitalized each year that don’t have a caregiver. Caregiver such as play therapists and parents’ stress can also affect children's emotions. 2. Not everyone is good at making friends and not everyone has a BFF to talk to. Imagine you're having a hard time in life or at work, and you can't tell your parents or friends. So, we built an open-source project Starmoon and are using affordable hardware components to bring AI characters to real-word objects like toys and plushies to help people emotional growth. We believe this is a complement tool and it…

    2024 · github.com · its alternatives →

  23. 23
    VoiceXD▲86

    Design and build custom AI assistants

    2023 · its alternatives →

  24. 24
    Scoopika▲127

    Build gpt-4o level AI assistants for your app

    2024 · scoopika.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →