Top 10+ Alternatives for Slack in 2025
Top 10+ Slack Alternatives for 2025
Slack has become one of the most popular team communication tools thanks to its channels, direct messaging, and integration options. But, let’s be real—it’s not the only solution out there. Whether you’re looking for a more affordable tool, better security, or just a different interface, there are plenty of strong Slack Alternatives worth considering in 2025. Let’s check out the best options for teams of all sizes!
1. Microsoft Teams
An all-in-one hub for chats, video calls, shared files, and collaborative workspaces, Microsoft Teams is a favorite for businesses already using Microsoft 365.
- Full integration with Microsoft Office apps
- Seamless meetings and video conferencing
- Supports large teams and external users
- Advanced admin and security settings
2. Discord
Originally made for gamers, Discord is now a popular choice for all kinds of teams with an interface that’s intuitive and fun.
- High-quality voice and video calls
- Persistent chat channels (like Slack’s)
- Free for most core features
- Strong community management tools
3. Mattermost
Mattermost is an open-source team messaging platform aimed at developers and businesses who prefer on-premise or private cloud solutions.
- Open-source and highly customizable
- Strong focus on privacy and security
- Rich integrations and automation
- Self-hosting available
4. Rocket.Chat
Rocket.Chat is another open-source option perfect for those who want complete control over their own workspace.
- Unlimited users, messages, and file sharing
- Self-hosted or cloud deployment
- Federation and real-time translation features
- Highly customizable interface
5. Google Chat
Tightly integrated with Google Workspace (formerly G Suite), Google Chat is convenient for teams using Gmail, Drive, Calendar, and more.
- Deep integration with Google Workspace
- Straightforward channels and direct messages
- Smart suggestions powered by Google AI
- Included with many Google Workspace plans
6. Flock
Flock offers team messaging and productivity tools with a fresh and modern interface, designed for small businesses and startups.
- Instant messaging, video calls, and to-do lists
- Easy task and file sharing
- Built-in notes, reminders, polls, and more
- Integrates with productivity tools like Google Drive
7. Chanty
Chanty keeps things simple with easy-to-use chat, tasks, and collaborative conversations, all in one place.
- Unlimited message history even on the free plan
- Easy-to-use task management within chats
- Simple file sharing and search
- Intuitive interface for new users
8. Twist
Twist is designed for teams that want structured, asynchronous communication without the “always-online” culture of traditional chat apps.
- Threaded conversations to reduce noise
- Flexible notifications to minimize distractions
- Easy search for conversations and files
- Focus on deep work and less chaos
9. Ryver
Ryver combines team communication with task management, making it perfect for collaborative projects.
- All-in-one chat, topics (similar to channels), and tasks
- Threaded conversations and advanced search
- Unlimited users and messages at a flat rate
- Automation through integrations and custom workflows
10. Zulip
Zulip brings the world of email-style threading to real-time chat, so it’s easier to follow discussions over time.
- Unique threaded message model for context
- Great for following conversations at your own pace
- Open-source and self-hosting options
- Rich integrations and bot support
11. ClickUp
ClickUp is primarily a project management tool, but its team chat functions rival the best of messaging apps—perfect for those seeking a true all-in-one solution.
- Built-in chat for all your projects and tasks
- Customizable notifications and flexible workflows
- Docs, reminders, goals, and chat—all in one place
- Integrates with hundreds of other apps
Why Look for Slack Alternatives?
Every team is different, and what works for one may not work for another. Sometimes you need a tool that better fits your budget, better aligns with your workflow, or simply isn’t owned by a big corporation. Thankfully, there are plenty of terrific Slack Alternatives out there in 2025, each with unique strengths.
Final Thoughts
Before switching, consider what matters most: cost, integrations, security, or just ease of use. Whatever your needs, one of these Slack Alternatives will help keep your team connected and productive throughout the year.