10 Best Slack Alternatives You Should Know About
February 22nd, 2021 in Productivity

Slack has grown to be one of the leading team communication tools. Since going public and later being acquired by Salesforce, Slack’s focus has been shifting to enterprise customers. As a result, If you are a startup or a small business looking for Slack alternatives that will not cost an arm and a leg, this list will lay out different options for you to try out.
In this article, we’ll go over the best options and guide you to find the best Slack alternatives that will work for your team.
If you’re on the same page, let’s take a look at this list of the best Slack alternatives in 2021.
What are the 10 best Slack Alternatives?
Here are the 10 best Slack alternatives to get you and your team get started right away. (This being our blog, we are going to put ourselves on top of the list 😊).
1. Slenke
Watch a Short Demo:
Slenke is a comprehensive communication and collaboration tool. Slenke offers a variety of means to communicate on the platform, allowing you to keep your communication channels filled with only relevant information.
The unique thing about Slenke compared to other platforms is that its functionality goes beyond messaging. Slenke can be used to organize all of your projects, tasks, files, and team messages all in one place. So, why not use 1 tool to manage your business rather than 4 tools?
Top Features
- Team Messages Boards
- Instant Messaging
- Tasks Lists, Kanban Board, Gantt Charts
- Guest Access
- Polls & Unlimited Message History
- Budget & Time Tracking
Pricing
$15, per user, per month
Platforms
iOS, Android, Windows, macOS, Linux, and Web
Get Started with Slenke See how it works
2. Discord
Discord is the industry-leading team communication app for gamers. Discord is functionality-rich, and has unlimited message history, allowing users to make use of it for their teams. As well as to mention that is it the only voice service that offers push-to-talk. Compared to many Slack alternatives the user experience is very similar in feel with Slack.
Top features
- Unlimited Message history
- Text, Voice, and Video channels
- Private and public channels
- Push-to-talk
Pricing
The Nitro plan starts at $9.99 per user, per month.
Platforms
Available on: iOS, Android, Windows, macOS, Linux, and Web
3. Google Hangouts
Unlike some Slack Alternatives, many organizations may already have corporate G-Suite accounts which include Google Hangouts. Hangouts does allow audio and video calls available through integrations with their other service Google Meets.
Top Features
- Often included in your corporate G-Suite account
- Allows Video and audio calls through Google Meets
- Thread based conversations for each idea
- Over 40 integration bots
Pricing
Plans start at $5 per user, per month
Platforms
iOS, Android, macOS, and Web
4. Chanty
Chanty is a simple team chat that doesn’t limit its searchable message history. As well as chat services Chanty organized all of your files, links, tasks, and conversations into folders within its Teambook. Chanty is a great Slack alternative for those who are less tech-savvy.
Top Features
- Simple and easy to use
- No limit on searchable message history
- Public and Private channels
- Built-in task manager
Pricing
Paid plans start at $3 per user, per month.
Platforms
iOS, Android, Windows, macOS, and Web
5. Rocket Chat
Rocket chat is an open-source chat, allowing you to fully customize its look and feel to your own needs. It is also notable that data is easy to migrate, all that is needed is for you to export files from Slack and upload them to RocketChat.
Top Features
- Open-source Slack alternative
- East to migrate data from Slack
- Real-time translation
- End to end encryption
Pricing
$50 per team
Platforms
iOS, Android, Windows, macOS, Linux, and Web
6. Flock
Flock is a Slack alternative that includes to-do lists, and a handful of other productivity tools. Flock is very clean and minimalist, with a focus on open chats.
Top Features
- Chat, audio, and video calls
- Built-in Polls
- Reminders, notes, and code snippets
Pricing
$6 per user, per month on a month-to-month subscription, or $4.50 per user per month on an annual subscription.
Platforms
iOS, Android, Windows, macOS, Linux, and Web
7. Microsoft teams
Microsoft Teams is a well-known alternative to Slack. Microsoft teams are built for enterprise and have many integrations with other Microsoft products. It is worth mentioning that deploying this software is a bit difficult given its intensity.
Top Features
- Built for enterprise
- Bundled with Microsoft Office 365 plans
- Instant chats, Audio, and video calls
- 180 Custom apps
Pricing
$5 per user per month, up to $12.50.
Platforms
iOS, Android, Windows, macOS, and Web
8. Mattermost
Mattermost is a communication tool with emphasis on security, customization and it has all the features you expect from Slack. With Mattermost being open source it gives you the flexibility to create a tailored communication to fit your companies needs.
Top Features
- Open-Source
- Highly customizable
- Can rewrite initial code
- Supports dozens of languages
Pricing
$39 per user, per year.
Platforms
iOS, Android, Windows, macOS, Linux, Web
9. Glip
Glip is a team collaboration platform with video and audio call functionality as well as offering task management tools to keep your team on track.
Top Features
- Build-in Tasks, calendar, and notes
- Video and Audio calls
- Over 20 custom integrations
- 24/7 priority support
Pricing
$5 per month, per user
Platforms
iOS, Android, Windows, macOS, and Web
10. Fleep
Fleep is a Slack alternative with more than just a team chat as it ties in project management tools such as tasks, pinboards, and file management.
Top Features
- Unlimited message history and integrations
- Can message anyone with a Fleep account
- The free plan offers unlimited messages and integrations
Pricing
5 Euros, per user per month
Platforms
iOS, Android, Windows, macOS, Linux, Web
What tool is right for you?
When it comes to choosing the right communication or collaboration tool you have a large variety of options.
It’s best to assess what your organization’s needs are as a whole and use a platform that allows your entire organization to collaborate, to prevent silos and increase productivity.
If you’re in the market for something more than a communication tool you should look at our 10 Best Project Management Software list.