What are some alternatives?
When comparing Sandglaz and Inbox Grader by Freshworks, you can also consider the following products
TargetProcess - Agile Project Management Web Application
Stratechery - New layout, same great words about big tech
Taiga - Project management platform for agile developers & designers
Debut Inbox - Read and discover newsletters in a new dynamic inbox
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
InboxSDK - First usable API to write Gmail Apps for 1B active users