Open source Amazon Polly alternatives

Every project in the catalog is MIT, Apache or BSD licensed. 0 projects explicitly describe themselves as a Amazon Polly alternative; 54 more are in the category where Amazon Polly is a typical product.

Open source projects in the same category: Voice & Text-to-Speech

Category-level information: these projects are the same kind of software as Amazon Polly; they have not claimed to be a one-to-one replacement.

GP

RVC-Boss · Voice & Text-to-Speech

STARS64.3K
FORKS6.8K
COMMITS1.0K
CONTRIBUTORS100
VERSION20250606v2pro
UPDATED12 days ago
Python1 Dk Fine-TuneÇapraz DilWebUIMIT

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • You can do instant text reading with a five-second audio sample.
  • With one minute of sound data, you can get a higher similarity sound synthesis by training the model.
  • You can prepare your own training data set using audio separation and automatic text labeling tools.
Heads up
  • • High number of open issues (906)

Verified against README · Oct 26, 2026 · source

VO

OpenBMB · Voice & Text-to-Speech

STARS40.9K
FORKS4.7K
COMMITS172
CONTRIBUTORS29
VERSION2.0.3
UPDATED23 days ago
PythonTTSSes KlonlamaDifüzyon ModeliApache-2.0

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • You can design new sound profiles from scratch using natural language definitions.
  • With short reference audio clips, you can clone sound by controlling emotion and tone.
  • You can convert texts in 30 different languages into direct speech without specifying a language tag.
User reviews
  • • NeutralGitHub Issue

    Voice cutoff at the end of words — Polish language

    “**VoxCPM version:** 2.0.2 --- ### Description When generating speech in **Polish**, the voice occasionally cuts off abruptly at the end of a word. The final syllable or consonant is truncated, making the output sound unnatural. This happens with default generation parameters.…”

Verified against README · Oct 26, 2026 · source

RV

RVC

92

RVC-Project · Voice & Text-to-Speech

STARS39.0K
FORKS5.3K
COMMITS882
CONTRIBUTORS120
VERSION2.3.260718
UPDATED2 mo ago
PythonVoice ConversionBenzerlik AramaWebUIMIT

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • You can easily perform voice and tone conversion operations through the web interface
  • With supported hardware and ASIO drivers, you make low-latency real-time audio switching
  • You change the tone by blending different model weights with the built-in model merge tool
Heads up
  • • High number of open issues (589)
User reviews
  • • NeutralHacker News

    RVC AI Voice on Daw(vst) Plugin

    “Sunflower Industries is a VST (AU) plugin for RVC voice conversion for all!, simply load up Path&Index file of your choice and will convert audio file to near-zero letency.”

  • • NeutralGitHub Issue

    AMD Support - Segmentation Fault

    “System: ``` Ubuntu 22.04 LTS Intel i5-12600k 32GB DDR4 AMD Radeon RX 6650 XT ``` Manually installed PyTorch 2.0.1 for rocm. Then installed requirements from requirements.txt. webui boots up without problems but when trying inference or training I get the following message: ```…”

Verified against README · Oct 26, 2026 · source

OP

myshell-ai · Voice & Text-to-Speech

STARS38.1K
FORKS4.3K
COMMITS126
CONTRIBUTORS14
VERSION—
UPDATED1 yr ago
PythonVoice CloningMultilingualStil TransferMIT

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • By correctly cloning the reference tone, you produce speech in different languages.
  • You control sound style with emotion, accent, rhythm, pause and intonation parameters
  • You do zero shot (zero-shot) interlingual audio cloning between languages not found in the training data set
Heads up
  • • Last update over 1 year ago
User reviews
  • • NeutralHacker News

    OpenVoice: Versatile Instant Voice Cloning

    “> This repository is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, which prohibits commercial usage. MyShell reserves the ability to detect whether an audio is generated by OpenVoice, no matter whether the watermark is added or not.…”

  • • NeutralHacker News

    OpenVoice: Instant Voice Cloning

    “There's a difference from starting the project by using OpenVoice vs hiring an actor for 90% of the work but then cloning their voice because you can' be bothered to reschedule the same actor for creative changes. But if you start that project by making a voice sound like Morgan…”

Verified against README · Oct 26, 2026 · source

PI

ATH-MaaS · Voice & Text-to-Speech

STARS29.6K
FORKS4.3K
COMMITS377
CONTRIBUTORS14
VERSIONv0.1.15
UPDATED4 mo ago
PythonAIVideo OtomasyonuComfyUIApache-2.0

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • You automatically create video text, AI visuals, and background music that matches a topic title you give.
  • Through the web interface, you configure external AI model providers such as DashScope, OpenAI, and Kling.
  • You run the motion transfer module by uploading reference videos and photos.
Heads up
  • • Website is unreachable (checked: 2026-10-31)

Verified against README · Oct 26, 2026 · source

CH

resemble-ai · Voice & Text-to-Speech

STARS27.4K
FORKS3.7K
COMMITS39
CONTRIBUTORS16
VERSIONv0.1.2
UPDATED3 mo ago
%63.75 El'i GeçtiPython23 DilZero-ShotMIT

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • You perform audio cloning with multilingual general use or language-specific models.
  • Using Turbo and Nano models, you develop low-latency voice assistants.
  • By adding paralinguistic labels to the text, you add phrases such as coughing or laughter to the voiceovers.
User reviews
  • • NeutralHacker News

    Chatterbox TTS

    “(Didn't carefully read your reply. What follows are the results of cat-ing a text file in the CLI. Will give the new textbox a whirl in the morning PDT. A truly heartfelt thanks for helping me work with Chatterbox TTS!) Absolutely blown away. I fed it the first page of Gibson's…”

  • ↑ PositiveHacker News

    Chatterbox TTS

    “> Chatterbox is fantastic. > I created an API wrapper that also makes installation easier (Dockerized as well) Gave your wrapper a try and, wow, I'm blown away by both Chatterbox TTS and your API wrapper. Excuse the rudimentary level of what follows. Was looking for a quick and…”

Verified against README · Oct 26, 2026 · source

EB

DrewThomasson · Voice & Text-to-Speech

STARS20.5K
FORKS1.7K
COMMITS14.7K
CONTRIBUTORS35
VERSIONv26.9.7
UPDATED25 days ago
PythonTTSSes KlonlamaE-KitapApache-2.0

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • You can convert e-book files in different formats into an audiobook format.
  • You can perform audio cloning using your own audio file.
  • Thanks to the OCR feature, you can translate visual files containing text into audio content.
SP

NVIDIA-NeMo · Voice & Text-to-Speech

STARS18.7K
FORKS3.7K
COMMITS9.6K
CONTRIBUTORS400
VERSIONv3.0.0
UPDATEDtoday
PythonKonuşma TanımaMetin OkumaAIApache-2.0

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • You can perform automatic Konuşma Tanıma (ASR) streams.
  • You can run the multilingual Metin Okuma (TTS) models.
  • You can train AI models focused on sound and speech.
User reviews
  • • NeutralHacker News

    Whistle: Speech to Text in 16.9 MB

    “I find the quality of transcription quite poor with a high error rate. And I'm using an Devine podcast quality microphone. IMHO the error rate is comparable to Dragon Speech of twenty years ago. It seems to me the speech models don't take into account the context of the words in…”

  • • NeutralHacker News

    Mozilla Common Voice Adds 16 New Languages and 4,600 New Hours of Speech

    “This is silly. Common Voice is not adding NVidia-specific features; what would that even look like for a database? There is no comparison to be made between donating resources to an openly licensed database and encouraging developers to optimize their games for proprietary APIs.…”

LE

leon-ai · Voice & Text-to-Speech

STARS17.6K
FORKS1.5K
COMMITS2.7K
CONTRIBUTORS23
VERSION—
UPDATEDtoday
TypeScriptAIAsistanOpen SourceMIT

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • You can complete tasks by working with local and remote AI providers.
  • You can manage workflows by choosing between smart, controlled and agent modes.
  • You can perform operations using the environmental context and layered memory.
Heads up
  • • No published release
User reviews
  • • NeutralHacker News

    Leon Sans, a geometric typeface made with code

    “This is fascinating, there is quite a bit of overlap with a font that I started designing recently: I do small projects on CNC machines, and I got annoyed at having to trace both sides of a character, when using the outline of a standard font. In response, I created the…”

  • • NeutralHacker News

    Leon Sans, a geometric typeface made with code

    “Super cool work! Congrats for the birth of baby Leon :-) -- I got interested in typographic animation a while back, there are two related Wikipedia pages: "Motion Graphics" [1] and "Kinetic Typography" [2]. There is not a lot of info describing algorithms to perform Kinetic…”

SH

k2-fsa · Voice & Text-to-Speech

STARS15.6K
FORKS1.8K
COMMITS2.1K
CONTRIBUTORS237
VERSIONv1.13.8
UPDATED2 days ago
C++Ses İşlemeOnnxruntimeOfflineApache-2.0

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • You can convert voice commands to text in the Çevrimdışı environment.
  • You can perform speaker identification and verification on mobile devices.
  • You can improve audio quality by clearing background noise from audio files.
Heads up
  • • High number of open issues (638)
TO

neonbjb · Voice & Text-to-Speech

STARS14.9K
FORKS2.0K
COMMITS357
CONTRIBUTORS49
VERSIONv2.3
UPDATED1 yr ago
PythonYüksek KaliteYavaş ÜretimSes KlonlamaApache-2.0

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • You synthesize sound using the live demo on Hugging Face Space
  • Installing the conda or Docker environment on your local computer to run the inference mode
  • Clone the project from the GitHub repository and configure the system with python installation script over source code
Heads up
  • • Last update over 1 year ago
User reviews
  • • NeutralGitHub Issue

    Finetunining for better Results?

    “So I assume, the collab isn't actually finetuning. This makes sense because for some voices I can get close enough for it sounds good. But like let's say my voice. I have no idea why but it keeps making me sound like a Posh British man. Any way to improve the cloning of…”

  • • NeutralGitHub Issue

    is there any way to make it read longer like 20-30mins?

    “I can get 23 seconds out of it but you'd think that it would be possible. Also are the emotional stresses automatic?”

OP

krillinai · Voice & Text-to-Speech

STARS14.0K
FORKS1.5K
COMMITS0
CONTRIBUTORS0
VERSIONv3.2.3
UPDATEDtoday
TypeScriptAI WorkspaceCodexDesktop AppApache-2.0

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • Using visual tools and templates, you create video translation, voiceover, image, and short video script.
  • By starting creative or developer tasks in natural language, you manage the processes and agent conversations running in the background.
  • Using Codex-based skills and MCP configurations in a local work environment, you maintain your projects.
User reviews
  • • NeutralGitHub Issue

    Doc translate

    “Doc translate”

  • • NeutralGitHub Issue

    docker: Error response from daemon: Head " denied

    “docker: Error response from daemon: Head " denied”

PA

PaddlePaddle · Voice & Text-to-Speech

STARS12.7K
FORKS2.0K
COMMITS4.9K
CONTRIBUTORS143
VERSIONr1.5.0
UPDATED2 mo ago
PythonKonuşma TanımaKonuşma SenteziPaddlePaddleApache-2.0

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • You synthesize flowed speech that contains the text front.
  • You perform punctuation-specific streaming speech recognition.
  • You run speaker verification system and end-to-end speech translation.
VO

VoltAgent · Voice & Text-to-Speech

STARS10.9K
FORKS1.2K
COMMITS0
CONTRIBUTORS0
VERSION@voltagent/[email protected]
UPDATED15 days ago
TypeScriptAI AgentsRAGMCPMIT

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • You develop smart agents that include Zod-type tools, memory, and multistep workflows.
  • You set up expert sub-agent teams that direct tasks under supervisor work time.
  • At runtime, you enforce security rules with firewalls that confirm input or output.
User reviews
  • ↑ PositiveHacker News

    Show HN: Open-Source TypeScript Framework for AI Agents – VoltAgent

    “Hi HN, I'm one of the founders of VoltAgent. Over the past months, we've been building it with a simple focus: AI development lacks real-time observability. When you work with agents, it's often a black box. You write some code, run it, and just hope it behaves. If something…”

  • • NeutralHacker News

    Show HN: Open-Source TypeScript Framework for AI Agents – VoltAgent

    “Voltagent’s UI is stunning. Do you have plans to add nocode action types. Sometimes it is easier to start with nocode and switch to coding when necessary.”

DE

facebookresearch · Voice & Text-to-Speech

STARS10.4K
FORKS1.7K
COMMITS318
CONTRIBUTORS30
VERSIONv4.0.1
UPDATED2 yr ago
PythonSes AyrıştırmaVocal ExtractionTransformerMIT

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • You separate the vocals, drums, and bass from the music tracks.
  • You get instrumental and vocal tracks from the songs separately.
  • With the experimental model option, you divide audio recordings into additional resources such as guitars and pianos.
Heads up
  • • Repository is archived (no longer maintained)
  • • Last update 2 years ago
User reviews
  • ↑ PositiveHacker News

    Demucs Music Source Separation

    “This is an AI/ML system by Meta which can separate recorded music into four “stems” - drums, bass, vocals and other. It’s not the first one (Deezer open sourced Spleeter a few years back which is now widely used) but I think the results from Demucs are super impressive - it…”

  • • NeutralGitHub Issue

    How I use it?

    “I tried to install for 5 hours but I never go more far than the first step. I always got this error: 'conda env update -f environment-cpu.yml EnvironmentFileNotFound: '/Users/montserratbartoky/environment-cpu.yml' file not found' A video tutorial is the perfect thing for help us…”

OP

OpenWhispr · Voice & Text-to-Speech

STARS10.4K
FORKS1.3K
COMMITS0
CONTRIBUTORS0
VERSIONv1.10.4
UPDATEDtoday
AIanthropicCross-PlatformgeminiMIT

Alternative to (project's own claim): WisprFlow, Granola

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • Global kısayolla konuşup yazıyı imlecin olduğu herhangi bir uygulamaya otomatik yapıştırabilirsin
  • Bir dilde dikte edip metni başka bir dilde yapıştırabilirsin
  • Yerel Whisper ve Parakeet modelleriyle çevrimdışı çalışabilirsin
User reviews
  • ↓ NegativeGitHub Issue

    LINUX: Local Whisper transcription errror

    “**Describe the bug** Record not been able to be transcripted. **To Reproduce** Steps to reproduce the behavior: 1. git pull 2. ELECTRON_DISABLE_SANDBOX=1 npm run dev 3. Download models 4. Start record with hot-key **Expected behavior** Copy in the clipboard of the transcription…”

  • • NeutralGitHub Issue

    It wont type to forms or streamlabs

    “I tried using OpenWhisper to type on forms it wont type it will type on browser when typing a url and in warcraft but it wont on streamlabs chat bot or app or on forms or gemini”

Verified against README · Oct 30, 2026 · source

AM

open-mmlab · Voice & Text-to-Speech

STARS10.3K
FORKS855
COMMITS0
CONTRIBUTORS0
VERSIONv0.1.1-alpha
UPDATED7 mo ago
PythonAudio GenerationTTSVocoderMIT

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • You can perform text-based voice or speech synthesis tasks.
  • You can produce high-quality sound signals with different neural vokoder modules.
  • You can develop audio conversion and accent exchange applications.
Heads up
  • • Website is unreachable (checked: 2026-10-31)
User reviews
  • • NeutralGitHub Issue

    An issue with the preprocessing part of LibriTTS.

    “Hello!🤗 When I'm working with the LibriTTS dataset, I noticed that the generated test.json and train.json files do not include the corresponding text for each audio sample. This absence of text information causes an error when trying to extract the phonemes later on.…”

RE

KoljaB · Voice & Text-to-Speech

STARS10.2K
FORKS863
COMMITS0
CONTRIBUTORS0
VERSIONv1.1.2
UPDATEDtoday
pythonReal-Timespeech-to-textMIT

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • WebRTC VAD ve Silero VAD ile konuşma başlangıç ve bitişini algılayabilirsin
  • Seçebileceğin motorlarla hem son hem de gerçek zamanlı transkripsiyon alabilirsin
  • Porcupine veya OpenWakeWord ile uyandırma kelimesiyle etkinleşen asistanlar kurabilirsin
User reviews
  • • NeutralGitHub Issue

    Limit realtime transcription time

    “Currently if real time transcription continues for a long time then sentence appear to be a huge so it's processing takes a lot of time even with using Cuda. Is that possible to set something like maximum_audio_duration etc to process smaller chunks of text instead of it all?”

  • • NeutralGitHub Issue

    macOS

    “Code: ```from RealtimeSTT import AudioToTextRecorder import ssl ssl._create_default_https_context = ssl._create_unverified_context import torch model, _ = torch.hub.load(repo_or_dir="snakers4/silero-vad", model="silero_vad", verbose=True) if __name__ == '__main__': recorder =…”

Verified against README · Oct 30, 2026 · source

ES

espnet · Voice & Text-to-Speech

STARS10.0K
FORKS2.4K
COMMITS0
CONTRIBUTORS0
VERSIONv.202610
UPDATEDyesterday
PythonPyTorchSpeech ProcessingASRApache-2.0

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • You can extract from the command line via pre-trained models with a single-line command.
  • From data preparation to evaluation, you can run Kaldi style repeatable recipes.
  • With training components, you can train deep neural networks using the espnet upload.
LE

lemomo-ai · Voice & Text-to-Speech

STARS9.8K
FORKS1.1K
COMMITS0
CONTRIBUTORS0
VERSIONthanks
UPDATED2 days ago
JavaScriptClaude CodeWeb VideoCanvas WebGLMIT

Common commercial products in this category: ElevenLabs, Amazon Polly, Google Cloud Text-to-Speech

What can it do?
  • You can create code-based short films by selecting one of the ready-made film styles.
  • You can edit existing styles or create your own film style from scratch.
  • You can install and use the project via the terminal via the Claude Code plugin.