Coqui STT and TTS code is freeing speech technology
STT
Coqui STT is an open source embedded (offline, on-device) speech-to-text engine which can run in real time on devices ranging from a Raspberry Pi 4 to high power GPU servers.
Coqui STT has APIs for numerous languages (Python, C/C++, Java, JavaScript, .NET...), is supported on many platforms (Linux, macOS, Windows, ARM...), and is available on GitHub.
TTS
Coqui TTS is an open source embedded (offline, on-device) text-to-speech engine. It can run in real time on anything from a Raspberry Pi 4 to a high-end GPU server.
Coqui TTS currently has an API for Python and is supported on many platforms (Linux, macOS, Windows...), and it is available on GitHub.