S
Slack
Team messaging platform with channels, integrations and video calls.
From $7.25/mo ⭐ 4.5/5 (G2) Founded 2013
⚡ Key Features
✓Public and private channels
✓Direct and group messaging
✓Voice and video calls (Huddles)
✓Screen and file sharing
✓2,600+ app integrations
✓No-code Workflow Builder
✓Historical message search
✓Slack Connect for external collaboration
💰 Pricing Plans
Gratis
Free/mo
- • Historial 90 días
- • 10 integraciones
- • 1:1 llamadas
Pro
$7.25/mo
- • Historial ilimitado
- • Integraciones ilimitadas
- • Llamadas grupales
- • Huddles
Business+
$12.5/mo
- • SAML SSO
- • Exportación datos
- • Slack Connect
- • SLA 99.99%
📊 Pros & Cons
✅ Pros
- + Massive integration ecosystem
- + Intuitive, polished interface
- + Great message search
- + Slack Connect useful between companies
❌ Cons
- - Expensive per user on large teams
- - Overwhelming notifications without setup
- - Free plan limits history to 90 days
- - Basic video calls vs Zoom
🎯 Best For
Tech teams and companies needing structured async communication with many integrations.
⚠️ Not Ideal For
Not ideal if you want something simple, free with no history limit, or need advanced video calls.
🔌 Integrations
Google DriveTrelloGitHubJiraZoomSalesforceAsanaMonday
🔀 Slack Alternatives
View all Slack alternatives →Frequently Asked Questions
What is the best free alternative to Slack?+
Discord is the most complete free alternative, with unlimited voice, text and video channels. For professional teams, Mattermost and Rocket.Chat have free self-hosted versions.
Is there an open source alternative to Slack?+
Yes. Mattermost, Rocket.Chat and Zulip are open source and can be installed on your own server. Mattermost is closest to Slack in user experience.