Slack

Cloud-based team communication platform owned by Salesforce, built around channels, direct messages and app integrations.

Pricing: 7.25 USD · Updated 2026-09-03

Pros

Free plan included
Channels, direct messages and app integrations
Works on Windows, macOS, Linux, iOS and Android

Cons

Advanced admin features need paid plans
Proprietary platform

Alternatives

Discord Zoom Telegram Slack vs Discord Slack vs Zoom Slack vs Telegram Slack vs Ghost Slack vs WhatsApp Business

More communication tools

DiscordVoice, video, and text chat platform with servers, channels, and community features for gaming and work.ZoomVideo meetings, team chat, phone and AI-first productivity platform — the standard for business video conferencing.GhostOpen-source publishing platform for professional newsletters, blogs and membership sites — self-host free or use managed Ghost(Pro).TelegramCloud-based messaging app with end-to-end encrypted secret chats, large group support, public channels and a free, well-documented Bot API.WhatsApp BusinessFree business messaging app from Meta for small businesses to chat with customers, automate replies and showcase products and services.

FAQ

Does Slack have a free plan?

Yes. Slack's Free plan costs $0; the paid Pro plan costs $7.25 per user per month with annual billing (price checked 2026-09-03).

On which platforms can I use Slack?

Slack is available on Windows, macOS, Linux, iOS, Android and in the browser.

Who owns Slack?

Slack Technologies is owned by Salesforce, which acquired the company in 2021.

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