Verified Posted 2025-06-15 by bountymon
Replace Slack with open team chat
Self-hosted team communication with channels, threads, search, and integrations.
$3,000
Reward
$1,020
Enterprise Cost/yr
12
Seats
Slack
Replaces
Bounty Lifecycle
Open
Claimed
In Progress
Delivered
5
VerifiedHard6/6 milestones
Timeline
PostedJun 15, 2025
ClaimedJul 1, 2025by mattermost
DeliveredOct 15, 2025by mattermost
VerifiedNov 1, 2025
Bounty Collected By
mattermost
#communication
#team-chat
#messaging
Mattermost delivered a verified Slack replacement. Self-hosted, open-source, with enterprise features. The bounty is collected — Slack’s $8.50/user/month moat has a viable breach.