Trello for Slack - Organize anything with anyone, inside Slack
card.io - Mobile phone credit card scanning for application developers.
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Shared Contacts For GMail - Share contacts and address books with your team in Google Workspace, previously known as G Suite, Gmail, or your mobile Contact app, just like you share Google docs!
Halp - Slack-first ticketing for internal helpdesk
ContactBook App - ContactBook helps your business organize and manage contacts centrally and keep them shared with the right people.