Lightweight TTS Runtimes Voice AI Tools

Lightweight, self-contained Text-to-Speech implementations optimized for edge deployment, local inference, and minimal dependencies (typically C++/ONNX-based). Does NOT include cloud-based TTS APIs, general speech synthesis frameworks, or non-TTS applications.

There are 79 lightweight tts runtimes tools tracked. 1 score above 70 (verified tier). The highest-rated is supertone-inc/supertonic at 71/100 with 2,734 stars and 7,776 monthly downloads.

Get all 79 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=voice-ai&subcategory=lightweight-tts-runtimes&limit=20"

Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.

#	Tool	Score	Tier	Stars	Language
1	supertone-inc/supertonic Lightning-Fast, On-Device, Multilingual TTS — running natively via ONNX.	71	Verified	2,734	C++
2	Ailln/cn2an 📦 快速转化「中文数字」和「阿拉伯数字」～ (最新特性：分数，日期、温度等转化）	69	Established	758	Python
3	PyThaiNLP/PyThaiTTS Open Source Thai Text-to-speech library in Python	67	Established	58	Jupyter Notebook
4	roryeckel/wyoming_openai OpenAI-Compatible Proxy Middleware for the Wyoming Protocol	67	Established	150	Python
5	i3thuan5/tai5-uan5_gian5-gi2_kang1-ku7 臺灣言語工具	57	Established	144	Python
6	supertone-inc/supertonic-py Lightning-Fast, On-Device TTS — running natively via ONNX.	53	Established	16	Python
7	hgneng/ekho Chinese text-to-speech engine	53	Established	1,202	Lex
8	hugobloem/wyoming-microsoft-tts Wyoming protocol server for Microsoft Azure text-to-speech	53	Established	25	Python
9	Jackiexiao/MTTS A Demo of Mandarin/Chinese TTS frontend	50	Established	285	Python
10	rendchevi/nix-tts 🐤 Nix-TTS: Lightweight and End-to-end Text-to-Speech via Module-wise Distillation	50	Established	261	Python
11	ZDisket/TensorVox Desktop application for neural speech synthesis written in C++	50	Established	212	C++
12	junzew/HanTTS Chinese Text-to-Speech web service	49	Emerging	313	Python
13	PriesiaMioShirakana/DragonianVoice 多个SVC/TTS的C++推理库	49	Emerging	1,121	C
14	myshell-ai/MeloTTS High-quality multi-lingual text-to-speech library by MyShell.ai. Support...	48	Emerging	7,267	Python
15	Jackiexiao/zhtts A demo of zh/Chinese Text to Speech system run on CPU in real time. 中文实时语音合成系统Demo	47	Emerging	180	Python
16	benjaminwan/ChineseTtsTflite Android Chinese TTS Engine Base On Tensorflow TTS , use for TfLite Models...	45	Emerging	393	Java
17	huakunyang/SummerTTS SummerTTS...	43	Emerging	524	C++
18	PyThaiNLP/tts-thai Thai TTS	42	Emerging	46	Scheme
19	nipponjo/tts_arabic 🎙️ Arabic TTS models (FastPitch, Mixer-TTS) in the ONNX format — Python...	42	Emerging	37	Python
20	apinge/MeloTTS.cpp A lightweight pure C++ Text-to-Speech (TTS) pipeline with OpenVINO,...	42	Emerging	95	C++
21	TigreGotico/phoonnx A Python library for multilingual phonemization and Text-to-Speech (TTS)...	42	Emerging	20	Python
22	techiaith/pyfestival Amlapiwr Python C ar gyfer hwyluso rhaglennu gyda Festival \| A Python C...	42	Emerging	10	Python
23	TUD-STKS/VocalTractLabBackend-dev The VocalTractLab backend sources and C/C++ API	41	Emerging	17	C++
24	RapidAI/RapidTTS A cross platform implementation of Text-to-Speech based on ONNXRuntime.	40	Emerging	32	Python
25	dusty-nv/jetson-voice ASR/NLP/TTS deep learning inference library for NVIDIA Jetson using PyTorch...	40	Emerging	224	Python
26	npuichigo/voicenet Speech synthesis platform based on tensorflow and sonnet	39	Emerging	60	Makefile
27	wannaphong/KhanomTan-TTS-v1.0 KhanomTan TTS (ขนมตาล) is an open-source Thai text-to-speech model that...	38	Emerging	43	Python
28	echonoshy/tingshu Tingshu 听舒｜ Bringing the author’s voice directly to you	36	Emerging	33	Python
29	Skeli010/GaryTTS 强大免费的本地文本转语音软件	36	Emerging	2	—
30	Youdef20/voxtral.c 🔊 Streamline audio processing with Voxtral.c, a pure C implementation for...	36	Emerging	2	C
31	Johnson145/voxtral_wyoming Offline Speech-to-Text (STT) service using Mistral's Voxtral model with...	35	Emerging	24	Python
32	Blackwood416/AstraTTS 基于 ONNX Runtime 的跨平台高性能 TTS 合成方案，支持流式输出与低延迟播放，支持自定义音色与中英混合生成。	34	Emerging	54	C#
33	MaxMax2016/Grad-TTS-Chinese Huawei Grad-TTS for Chinese	33	Emerging	51	Python
34	privapps/TTS-Mandarin text to speech in mandarin	32	Emerging	15	Shell
35	go-restream/supertts 🎧 Supertonic TTS ONNX Inference Openai Speech REST API	31	Emerging	5	Rust
36	AI-TOOLKIT/VoiceBridge VoiceBridge - an AI-TOOLKIT Open Source C++ Speech Recognition Toolkit	31	Emerging	17	C++
37	npuichigo/ttsflow tensorflow speech synthesis c++ inference for voicenet	31	Emerging	16	C++
38	hkilang/TTS 香港圍頭話及客家話文字轉語音朗讀器	31	Emerging	12	TypeScript
39	mirfan899/CTTS Cantonese TTS frontend	30	Emerging	16	Python
40	mattt/supertone-swift A Swift wrapper for the Supertone text-to-speech model	29	Experimental	34	Swift
41	indigane/wyoming-android-tts Use your Android device's TTS engines in Home Assistant via the Wyoming protocol.	29	Experimental	7	Kotlin
42	kaiidams/Voice100AndroidApp Voice100 Android App is a TTS/ASR sample app that uses ONNX Runtime and...	27	Experimental	9	C#
43	kaiidams/Voice100Sharp Voice100 includes neural TTS/ASR models. Inference of Voice100 is low cost...	26	Experimental	6	C
44	VolgaGerm/PocketTTS.cpp Single-file C++ TTS runtime for Pocket TTS with ONNX Runtime — voice...	26	Experimental	7	C++
45	kaiidams/voice100 Voice100 includes neural TTS/ASR models. Inference of Voice100 is low cost...	25	Experimental	28	Python
46	diewland/ttsstt-th-demo Web Speech API Thai demo, Speech-to-text & Text-to-speech	25	Experimental	12	HTML
47	arthurxlw/cytonNss Cyton Online Neural Sentence Segmentation for Simultaneous Interpretation	25	Experimental	2	Cuda
48	CingZeoi/YDVoiceTTS Chinese TTS from Yongde screen reader	25	Experimental	3	FreeBASIC
49	khalooei/Voxtral-AI-Demo-Local-Interface Voxtral is a state-of-the-art model developed to handle both speech...	24	Experimental	29	Python
50	AI-TOOLKIT/VoiceBridgeProjects Example projects for VoiceBridge - an AI-TOOLKIT Open Source C++ Speech...	24	Experimental	2	—
51	jark006/SummerTTS_VS SummerTTS...	23	Experimental	22	C++
52	hinantin/QuechuaTTS Hinantin - Text-to-Speech System for Quechua	23	Experimental	6	Raku
53	vra/supertonic-mnn A command-line interface for running Supertonic TTS models using MNN.	23	Experimental	12	Python
54	stefantaubert/zho-tts Web app, command-line interface and Python library for synthesizing Chinese...	23	Experimental	6	Python
55	6Morpheus6/IndexTTS2 [NVIDIA, MAC, ROCM] Emotionally Expressive and Duration-Controlled...	23	Experimental	5	JavaScript
56	kaiidams/voice100-runtime Voice100 runtime. Voice100 includes neural TTS/ASR models. Inference of...	23	Experimental	2	Python
57	BuethSam/wyoming-tts coqui-ai TTS wyoming protocol implementation	23	Experimental	2	Python
58	hezhizheng/cantonese-cool 一个能讲广东话(粤语)的小程序	22	Experimental	7	Vue
59	luan78zaoha/TTS_tflite_cpp TTS inference in C++ based on TFlite model	22	Experimental	20	—
60	iamnortey/ninolex-gh Open Ghanaian pronunciation dictionary for TTS and AI systems — IPA, CSV,...	22	Experimental	—	Python
61	yuanhao-chen-nyoeghau/shanghainese-tts Shanghainese TTS	22	Experimental	27	Jupyter Notebook
62	rvuyyuru2/supertonic-restapi Supertonic FastAPI - High Performance OpenAI-Compatible TTS API	21	Experimental	2	Python
63	zry98/pomumd Wyoming Protocol TTS and STT & MLX LLM server for iOS/macOS	20	Experimental	1	Swift
64	xiaozhah/Concatenate_wav Concatenate wavs(for unit selection)	19	Experimental	5	C++
65	thewh1teagle/zipvoice-onnx TTS with ZipVoice and onnxruntime	18	Experimental	6	Python
66	chenying99/ttsv2 fast tts (ZH EN) lightweight	16	Experimental	2	—
67	moimart/index-tts-wyoming-docker Docker image to make index tts run with Home Assistant	15	Experimental	1	Python
68	changdaye/tts-cli Chinese-first local text-to-speech CLI for reading local text and Markdown...	14	Experimental	—	Python
69	mandar3051982/tiny-tts Deliver natural English speech with an ultra-lightweight, end-to-end...	14	Experimental	—	HTML
70	SUP3RMASS1VE/SuperTonic-TTS Supertonic is a lightning-fast, on-device text-to-speech system designed for...	14	Experimental	3	JavaScript
71	pukaa900/reagana Ko taqaku konqamatuqa mo nqaaqaku meqa.	13	Experimental	—	JavaScript
72	fatehmtd/gladiapp C++ Client Library for Gliadia API	13	Experimental	2	C++
73	nanofatdog/TTS-STT-Web-Application-thai เว็บแอปพลิเคชันสำหรับแปลงข้อความเป็นเสียง (TTS) และแปลงเสียงเป็นข้อความ...	13	Experimental	2	Python
74	Zen3515/THTTS Provide TTS (Text to speech) as wyoming protocol with the focus on Thai language	12	Experimental	1	Python
75	qxde01/CTTS Chinese text to speech ,中文语音合成	12	Experimental	3	Python
76	verbio-technologies/cpp-verbio-speech-center C++ integration with the Verbio Speech Center Cloud. https://speechcenter.verbio.com/	11	Experimental	—	C++
77	AbodiDawoud/SupertonicTTS An modern interface to generate high quality audio files using Onnx-Runtime	11	Experimental	5	Swift
78	patarapolw/ChineseViewer-v1 A Hanzi and vocab viewer for a chunk of text, based on HanziLevelUp.	11	Experimental	2	JavaScript
79	antoni-kuczynski/Huawei-LTE-Signal-Meter-TTS Text to speech for Huawei LTE signal strength parameters.	10	Experimental	1	Python

Comparisons in this category

supertonic and TensorVox (71 vs 50) supertonic and supertonic-py (71 vs 53)