VOGSY - Professional service automation tool built on Google G Suite
Google Drive to Slack - Slack notifications whenever you work on Google Drive docs
Office Timesheets - Professional Services Automation
Kissflow - Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
HarmonyPSA - HarmonyPSA - Professional Services Automation (PSA) for IT Businesses
Heymarket for Slack - Text and Facebook messaging from Slack