Votum for Slack - Crowdsourced lists with upvotes, inside Slack
Lexi - Speak to Alexa through your iPhone
Must-Read for Slack - Build controllable must-read lists for your team in Slack.
Astra by Cesbo - Talk to Alexa anywhere, from your iPhone
Corpus - Curate, take notes and share your reading list
Ava - Making conversations accessible for the deaf