0xShug0 / audio.cpp

An all-in-one, pure C++ inference engine for audio models, powered by ggml. Supports TTS, STT, VAD, voice conversion, music generation, and more, with highly optimized performance. No Python dependency.

moonshine-ai / moonshine

Very low latency speech to text, intent recognition, and text to speech, for building voice agents and interfaces

nyosegawa / speech.cpp

Speech synthesis, speech recognition and voice activity detection for voice conversation, in C++ on ggml: Qwen3-TTS, Irodori-TTS, Qwen3-ASR, ReazonSpeech, parakeet and Silero VAD on Metal, Vulkan and the CPU, with an OpenAI-compatible server and live transcription.

gexgd0419 / NaturalVoiceSAPIAdapter

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

CrispStrobe / CrispASR

C++ ggml runtime hub for multilingual ASR and TTS models: Cohere Transcribe, Parakeet TDT, Voxtral, Canary 1B v2, etc, plus universal forced alignment, and more

openctp / openctp

openctp提供CTP股票期权、中泰证券XTP、华鑫证券奇点TORA、东方证券OST、东方财富证券EMT、盈透证券TWS、易盛TAP、量投QDP等各通道的CTPAPI兼容接口，CTP程序可以无缝对接各股票柜台。openctp也提供了一套基于TTS交易系统的模拟环境，同样提供了CTPAPI兼容接口，不仅支持国内期货与期权全品种，也支持A股股票、基金、债券以及股票期权模拟交易，可以替代Simnow，为CTP量化交易开发者提供7x24可用的模拟环境。

mkiol / dsnote

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

RHVoice / RHVoice

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

HoppouAI / Breeze-TTS-2.cpp

Bilingual English and Mandarin text to speech in C++ and GGUF. Voice design, cloning, direction and experimental voice conversion. Vulkan backend, streaming HTTP and WebSocket server, web UI and a C API.