Sinsy-NG

eSpeak NG is an open source speech synthesizer that supports more than hundred languages and accents.

aeneas is a Python/C library and a set of tools to automagically synchronize audio and text (aka forced alignment)

Singing synthesis from MIDI file

Live Coding Singing Synthesizer. Python sinsy-NG wrapper.

Klatt formant synthesizer

Some simple wrappers around eSpeak NG intended to make using this excellent TTS for waveform and IPA generation as convenient as possible.

Arduino library for easy, interrupt driven speech, MP3, AAC, and WAV playback on the Raspberry Pi Pico RP2040, Pico 2 RP2350, and ESP32

Extract formant features such as frequency, power, energy, and bandwidth of formants at syllable or word level from audio sources in a web browser using WebAudio API.

? Text to speech GUI / TTS on Ubuntu Linux 25.04 24.10 24.04 22.04 22.10 23.04 23.10 . Ideal for speed reading, programming, editing and writing.

An eSpeak NG TTS binding for Python3.