Matcha-TTS is queued for analysis. Crawling candidates and ranking them takes a few minutes. This page updates itself when the list exists — you can also come back later.
What is known so far comes from the other direction:
These projects were analysed and named Matcha-TTS among their alternatives. The relationship is not symmetric — how Matcha-TTS rates them is a separate judgement, made when Matcha-TTS is analysed in its own right.
calls Matcha-TTS “choose it for a fast flow-matching neural TTS architecture when doing research or training your own voice.”
eSpeak NG is an open source speech synthesizer that supports more than hundred languages and accents.