For customer communication... at AuthorityLabs we're using: 1) Intercom for chat and notifications 2) PagePilot (pagepilot.io) for the knowledgebase 3) G Sui

For customer communication... at AuthorityLabs we're using: 1) Intercom for chat and notifications 2) PagePilot (pagepilot.io) for the knowledgebase 3) G Suite for support@ 4) Campaign Monitor for mass emails Note: PagePilot is a new project of ours. Looking for beta testers :)