Best developer experimentation tools in 2025

CMU Pocketsphinx

Open-source toolkit for converting speech into text.

Open Voice OS

Open-source software for creating custom voice interfaces.

Google text to speech

Convert written text into lifelike spoken words effortlessly.

Deepgram

Voice AI technology for accurate speech recognition and synthesis.

Superpowered Audio

Build interactive audio experiences across multiple platforms.

Myvocal

Easily clone voices for personalized audio experiences.