A fast, local neural text to speech system

a free and open source speech synthesizer for Russian and other languages

Speech Note Linux app. Note taking, reading and translating with offline Speech to Text, Text to Speech and Machine translation.

A high-quality speech analysis, manipulation and synthesis system

an open-source implementation of sequence-to-sequence based speech processing engine

Make Azure natural TTS voices accessible to any SAPI 5-compatible application.

SummerTTS 是一个基于C++的独立编译的中文和英文语音合成项目，可以本地运行不需要网络，而且没有额外的依赖，一键编译完成即可用于中文和英文的语音合成。SummerTTS is a standalone Chinese and English speech synthesis(TTS) project that has almost no dependency and could be easily used for Chinese TTS with just one key build out

Refurbished Arduino version of the Talkie library from Peter Knight.

Crystal - C++ implementation of a unified framework for multilingual TTS synthesis engine with SSML specification as interface.

This plugin integrates Azure Speech Cognitive Services in Unreal Engine.

Desktop application for neural speech synthesis written in C++

Windows "say"

Multilingual neural TTS (6 languages: JA/EN/ZH/ES/FR/PT, code supports SV) — C++, C#, Rust, Go, Python, npm (WASM). VITS + Prosody, streaming, CUDA/CoreML/DirectML. pip install piper-plus | npm install piper-plus | cargo install piper-plus-cli

QtSpeech is cross-platform library based on Qt to provide common cross-platform API to access and use system TTS (Text-to-Speech) engines on platforms as Windows (SAPI), Mac (SpeechSynthesis) and Linux (Festival). Licensed as LGPL, so can be used on OpenSource and Commercial products

Small Robot, Toy Robot platform

GlottDNN vocoder and tools for training DNN excitation models

The space is your world! UTAU resampler based on a modern version of world.

VocalTractLab development repo

(discontinued) 🎵The Formant-Based All Language Singing Voice Syntheis System: Sinsy-NG

G.I./Microchip SP0256 Speech Processor and CTS256A-AL2 Text-To-Speech Processor Emulation