Votum for Slack - Crowdsourced lists with upvotes, inside Slack
ReadBit - Read wisely & save time with text-to-speech audiobook reader
Must-Read for Slack - Build controllable must-read lists for your team in Slack.
Listening.io - Turn articles into audio and listen in your podcast app
Corpus - Curate, take notes and share your reading list
article2audio - The next generation of text-to-speech focused on web content. It understands and enhances English articles and blog posts beyond just words.