HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.
Duuoo - Meetings that Matter
WebCopy - Cyotek WebCopy is a free tool for copying full or partial websites locally onto your harddisk for offline viewing.
Matter - Create a feedback-focused culture in Slack with Matter!
SiteSucker - SiteSucker is a Macintosh application that automatically downloads Web sites from the Internet.
Moodbot for Slack - A Slack bot tracking employee moods + actionable data