MattermostOpen-core, self-hosted team collaboration platformMattermost: self-hosted open-core team chatMattermost publishes monthly compiled releases under an MIT licence and documents self-hosted deployment via Docker, Ubuntu, tar or Kubernetes.Open sourceOfficialMIT-licensed compiled releasesVerified Nov 2View dealfor Mattermost (opens provider site in a new tab)
SlackTeam messaging and collaborationSlack Free plan: team messaging with 90 days of message historySlack's free version is free to use, with access to the most recent 90 days of message and file history; data older than one year is deleted.Free planOfficialFreeVerified Oct 23View dealfor Slack (opens provider site in a new tab)
SlackTeam messaging and collaborationSlack for Nonprofits: free Pro plan for workspaces of up to 250 members, 85% off Business+Qualifying nonprofits get Slack Pro free for workspaces with 250 or fewer members, 85% off Pro above that size, and 85% off Business+ at any size.DiscountOfficialApproval neededFree Pro for workspaces of 250 or fewer members; 85% off Business+UnverifiedView dealfor Slack (opens provider site in a new tab)
1Password BusinessPassword manager for teams and businesses1Password Business: 14-day free trial, no credit card required1Password lets businesses try its Business plan free for 14 days without entering a credit card.Free trialOfficialNo credit cardVerified Oct 23View dealfor 1Password Business (opens provider site in a new tab)
MiroOnline whiteboard for team collaborationMiro Education plan: free for students (2 years) and educators (no end date)Miro's free Education plan gives students 2 years of access with teams of up to 10, and educators access with no end date and teams of up to 100.Student offerOfficialStudent verificationApproval neededFreeUnverifiedView dealfor Miro (opens provider site in a new tab)