Hi I'm not blind but wanna just dump some links here I bookmarked related to accessibility. Might be useful.

[1] The actively developed version of Mozilla TTS, named coqui-TTS. My understanding is that the original team was let go from Mozilla and they formed coqui.

https://github.com/coqui-ai/TTS

They are also on Element Matrix:

https://matrix.to/#/#coqui-ai_TTS:gitter.im

[2] FOSS automated accessibility testing engine for websites and other HTML-based user interfaces:

https://github.com/dequelabs/axe-core

[3] Emacspeak, developed by someone who was blind since childhood:

https://en.wikipedia.org/wiki/Emacspeak

[4] UK government websites are famous for being accessible. They have design guidelines:

https://design-system.service.gov.uk/

[5] Similar system for the US govt.

https://designsystem.digital.gov/

[6] Mozilla MDN learn accessibility:

https://developer.mozilla.org/en-US/docs/Web/Accessibility