eSpeak NG

Free

Lightweight TTS with wide language coverage.

CompactMulti-languageOpen-Source

Overview

eSpeak NG is a compact, open-source formant synthesizer supporting more than 100 languages and accents in a tiny footprint. Its robotic-but-clear voice and instant speed make it a staple for accessibility tools and embedded devices. It is also widely used as a phonemizer front-end for neural TTS models.

What makes eSpeak NG special?

Focus: Compact formant synthesis.
Availability: Free & Open-Source (GPL).
Use cases: Accessibility, embedded systems, and phonemization.

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