Plum mail → Competitors
Better than email, better than IM
When to use Plum mail
Plum mail is when you need to have productive organized conversations with individuals outside your immediate team
When to use Mattermost
Mattermost enables DevOps workflows DevOps teams use Mattermost to power collaboration at every stage of the DevOps lifecycle. Mattermost unifies people, tools, data, and automations to help your team increase innovation and agility.