Reviewed alternatives
Compare products with a sourced competitor or replacement relationship to Slack. Pricing is vendor-published and may vary by plan, seats, usage, or contract.
Business chat, meetings, and calling app that is part of the Microsoft 365 collaboration suite, used for team messaging, video meetings, and file collaboration.
Published pricing
From $4/user/mo
Categories
Video Conferencing, Communication
Slack publishes a direct head-to-head comparison page against Microsoft Teams as a rival business chat and collaboration platform.
Relationship verified September 25, 2026.
Team messaging app included with Google Workspace, offering direct messages, group spaces, threaded conversations, and integration with other Workspace apps.
Published pricing
Free plan available
Categories
Communication
Slack publishes a direct comparison page against Google Chat as a competing team messaging product.
Relationship verified September 25, 2026.
Voice, video, and text chat platform originally built for gaming communities, now used broadly by communities and some businesses for group communication.
Published pricing
Free plan available
Categories
Communication
Slack publishes a comparison page positioning itself against Discord as an alternative team communication tool.
Relationship verified September 25, 2026.