Whatis - Manage & organize your team's knowledge straight from Slack
Support Hero - Educate your customers through self-help support
Slack-News - Read news from multiple sources within Slack by just typing
HelpSite - HelpSite is a simple service to help your setup the perfect support centre or help site.
Slack It - A bookmarklet to share links in Slack with one click
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.