TMail21 is an asynchronous communication platform for teams. It enables collaboration, task management, processes and commerce right within powerful discussion threads.Slack and TMail21 are the perfect complement to each other. Chat with your teammates in Slack and use TMail21 when you want to spin off powerful discussion threads.Because TMail21 threads are designed for asynchronous situations they are great when users are in different time zones, or unavailable at the same time or need to give considered responses to a thread comment.