I used to work in B2B SaaS customer support where every incoming email had an SLA timer attached. Green meant you had time, orange meant it was getting close, red meant someone was already frustrated. The system was brutally effective at preventing things from slipping through.
Then I switched jobs and suddenly all those SLA tools were gone. Just an inbox full of emails, no urgency signals, no way to tell at a glance which thread had been waiting the longest.
So I built InboxSLA — a Chrome extension that brings response-time deadlines to Gmail.
The Core Idea
You define clients by email domain and assign each one an SLA in hours. InboxSLA scans your inbox and injects colored badges onto thread rows:
