Mio - Powering seamless communication between workplace chat apps.
sumi.news - Peaceful news feed to read RSS, Twitter, and newsletters
Slackin - Create your own public Slack chat community
Big News - Big News seamlessly combines different sources from across the web – like newsletters and RSS feeds – into one unified reading experience.
Chats.Directory - A curated list of the best Slack groups for professionals
Publicate - Build Beautiful Emails. Export and Send Anywhere.