10 Best Slack Alternatives Team Messengers You Can Use in 2021

Slack Alternatives

Many might well aware of the Stack messenger who is the real boss when it comes to team messengers. The well-known Silicon Valley unicorn, Slack is so popular mainly because of its versatile features and top-notch functionality. Though innovation never stopped in this technological world slack continues to rule the online-based messengers with its ability to breed in the innovative approach. It’s really hard to pinpoint people or small business owners who board on using slack, however, if you one of the people who like to try different things with a unique way and interested to utilize perfect slack alternatives for your use then you can start surfing the internet where you can find a bunch of alternatives.

Why People Prefer Slack Tool?

Here are the three vital reasons that trigger people to prefer Slack then others.

  • It allows you to chat with your team members
  • It allows you to share files among your team members along with different integrations
  • It simply takes you away from your email and makes you be in up to date with the notifications.

Slack Competitors

In this competitive world, you can find competitors for everything you see in the market. Slack isn’t an exception to it. However, with simple techniques and peculiar approaches along with top-notch features and functionality slack continues to rock the industry by keeping its top position in the online communication platform.

In today’s market, you can easily find over 100+ slack alternatives however picking the reliable and application with needed features isn’t that much easy. For that, you need certain research and expert’s guidance.

Here in this article, we have listed the top 10 best slack alternatives applications along with the experts’ review. Check and make use of it, if you are seeking perfect alternatives for slack application.

Top 10 Best Slack Alternatives In 2021

All those lists and reviews are made by our expert team panel and tested all the applications individually and rated.

  1. Hangouts Chat

Hangouts Chat, one of the GSuite apps which are so popular among the several businesses worldwide. It tops our list of slack alternatives 2021 mainly because of its easiness and comes with numerous languages. In the near future, the makers of hangout promises of introducing AI and bots to satisfy what users need along with book meetings, searching files, and more.


  • Direct Messaging
  • Threaded Conversation
  • Integrated with other GSuite Apps
  1. Flock

Flock one of the team messengers available in today’s modern world self claiming as it works faster than the legitimate Slack. This tool comes in two versions paid and free. Premium includes more than 10,000 searchable messages, chats, videos, meetings calls. In addition, this took capable of holding 4 people in conference calls up to 4 minutes.


  • Screen sharing
  • Unlimited Message History
  • 10 GB File Storage per User
  1. Chanty

Chanty one of the best free communication tool which allows team members to chats with unlimited searchable messages. Besides, this tool is specifically designed to organize your files, links, and tasks by using its unique feature called team book by which users can easily pick their chat history. The entire operation for handling the Chanty tool is pretty simple so that non-techies can access it easily.


  • Chat Functionality with Public, Private and one-to-one mode
  • Team book
  • Easy-to-use
  1. Microsoft Teams

It may sound new for many people, but if you accessing Microsoft Office 365 plan then you are already using this awesome Microsoft Tool Microsoft teams. This tool can be accessed at free and it can handle up to 300 users along by the free version for this tool comes with all those essential chat features. Well, on storage concern, an individual can store their files up to 2 GB and for team storage access is up to 10GB which is shared among all the team members.


  • Instant Messaging
  • Audio & Video Calls
  • Easy Integrations
  1. Rocket Chat

It is a free and open-source online-based communication platform where tech people can easily customize it according to their requirements. Apart from basic chat functionality, this tool offers several exciting features and comes with different operation languages.


  • Easy-to-migrate
  • Real-time Automatic Translation
  • End-to-end Encryption
  1. Fleep

Fleep is a communication tool by which anyone can send messages to anyone who uses Fleep, all you need is their email IDs that’s it you can simply connect with them. The features offered by this stool Fleep resembles as you are using this tool either as a team chatting application or as an email alternative application.


  • Can send messages to anyone
  • Completely free to use
  • Unlimited Message history and integrations
  1. Mattermost

If you are seeking a communication tool that offering a private cloud to ensure the security of the chatting done among the team members, the preferring this matter most tool would be a perfect choice. Just like the slack communication tool, this Mattermost too offers a wide range of chatting features along with easy customization options. This tool can be availed in two versions either in free or as a paid version.


  • Easy to Customize
  • Open-source platform
  • Unlimited Message History & Integrations
  • Supports Multi-Languages
  1. Wire

Wire communication tool offers a secured path for performing one-to-one conversations among individuals or with the team members with high-level encryption. When compared with all other messaging tools, this Wire application comes with a unique feature of self-destructing messages and quick image editing which can be pretty useful for businesses and individuals who love privacy.


  • HD Video Calls
  • Video Conference
  • Group Chat,
  • Easy File & Screen Sharing
  1. Ryver

Ryver comes with a unique feature built-in task manager, owing to that is one of the popular slack alternatives in this 2021. Apart from that, this messaging tool Ryver has all similar messaging tools and users can connect with around 400 people on their voice or video calls. For people who wish communication tools not to eat a lot of space and to perform speed that opting for this Slack alternative Ryver tool can be the best option.


  • Built-in Task Manager
  • Connects 400 people at a time
  • 14-days trial period
  • Variety of plans/packages available
  1. Flowdock

Flowdock is a communication tool which easy navigation system where users can witness multiple colors on their conversation this allows them to navigate and to sort out the chats easily. With this Flowdock users can able to more than 100 integrations and do video calls. Flowdock can be accessed for free up to 5 members and the paid version starts at just $3.


  • Integration Inbox
  • Colored Threads
  • Paid version comes with Low-price tag


The above-listed slack alternatives consist of both paid and free applications. Individuals are highly suggested to pick the perfect alternative applications for slack by checking its features and functionality instead of using a price tag.

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