Best Slack Alternatives in 2026
<p>Slack is a channel-based messaging platform with over 2,600 integrations, ideal for tech companies needing a central communication hub. However, its 90-day message history limit on the free plan and per-user pricing can be restrictive for large communities or organizations with tight budgets. Teams may seek alternatives for persistent free voice channels, deeper integration with existing productivity suites, or a stronger focus on video conferencing.</p>
Quick Comparison
| Tool | Best For | Pricing | Platforms |
|---|---|---|---|
| Discord | Communities, open-source projects, and teams that want free persistent voice channels | Free |
Web, macOS, Windows, Linux, iOS, Android |
| Microsoft Teams | Organizations already invested in Microsoft 365 | Free (personal) |
Web, macOS, Windows, iOS, Android |
| Zoom | Teams and businesses needing reliable video meetings with large participant counts | Free (40-min limit) |
Web, macOS, Windows, Linux, iOS, Android |
| Google Meet | Google Workspace users who need seamless calendar-integrated video calls | Free (Google account) |
Web, iOS, Android |
The Best Slack Alternatives
Voice, video, and text platform originally built for gaming communities
- Offers free, persistent voice channels, which Slack's Huddles do not.
- Free plan includes unlimited message history, unlike Slack's 90-day limit.
- Structure is server-based, better suited for large, open communities than Slack's channel-centric model for internal teams.
Best for: Communities, open-source projects, and teams that want free persistent voice channels
Verdict: Choose Discord for open communities, gaming teams, or projects needing free, always-on voice channels and unlimited message history.
Microsoft's unified communication and collaboration platform
- Deeply integrated with Microsoft 365 apps (Word, Excel, SharePoint) out of the box, unlike Slack which relies on third-party integrations.
- Often included at no extra cost with existing Microsoft 365 subscriptions, providing a lower-cost alternative to Slack's per-user fees.
- Focuses on document collaboration within the chat interface, whereas Slack prioritizes channel-based messaging.
Best for: Organizations already invested in Microsoft 365
Verdict: Choose Microsoft Teams if your organization already uses and pays for Microsoft 365.
Video conferencing platform known for reliability and simplicity
- Primarily a dedicated, reliable video meeting platform, whereas Slack's Huddles are a secondary feature for quick calls.
- Supports significantly larger meeting participant counts on its paid plans compared to Slack.
- Lacks Slack's extensive, asynchronous channel-based messaging as a core workflow.
Best for: Teams and businesses needing reliable video meetings with large participant counts
Verdict: Choose Zoom if your team's primary need is reliable, high-participant video conferencing, not persistent chat.
Google's video conferencing tool, built into Google Workspace
- Seamlessly integrated with Google Calendar and Google Workspace apps, unlike Slack which requires setup.
- Video meetings are its primary function, with chat being a secondary feature, the inverse of Slack's model.
- Effectively free for Google Workspace subscribers, while Slack charges a separate per-user fee.
Best for: Google Workspace users who need seamless calendar-integrated video calls
Verdict: Choose Google Meet if your team relies on Google Workspace and needs calendar-integrated video calls above all else.
Frequently Asked Questions
Is there a free Slack alternative with unlimited message history?
Yes, Discord's free plan offers unlimited message history, unlike Slack's free plan which limits you to the last 90 days.
What is the best Slack alternative for a Microsoft 365 company?
Microsoft Teams is the best alternative, as it is deeply integrated with Microsoft 365 and is often included in your existing subscription.
Which Slack alternative is best for video meetings?
Zoom is the best alternative dedicated to high-quality, reliable video meetings with support for large numbers of participants.