Free and open first
Best Team Communication Software in 2026
Team communication software handles workplace messages, video meetings and file sharing in one service. This list covers tools for teams comparing communication options on a budget.
- 23 apps
- Research read 10 Oct 2026
- How the order is worked out
- 1
Rocket.Chat
by Rocket.ChatFree plan Open source AndroidAPIiPhone+5Rocket.Chat offers core messaging features on a free plan, with named options describing additional deployment and administrative choices.
- 2
- 3
- 4
- 5
- 6
- 7
Google Chat
Free plan AndroidiPhoneLinux+3Choose Google Chat if you want messaging integrated with Google Workspace, broad platform support, and collaboration spaces that can accommodate up to 500,000 members.
- 8
- 9
LINE WORKS
by LINE WORKSFree plan AndroidiPhoneMac+2LINE WORKS offers channels, guest access, and plans with different member and storage capacities. Check message-history limits and the free tier's caps, and request pricing for Standard or Advanced.
- 10
Microsoft Teams
by Microsoft TeamsFree plan AndroidiPhoneLinux+3Teams covers messaging, calls, and meetings across platforms, with a free plan and business options that list expanded meeting and support features.
- 11
Nextcloud Talk
by Nextcloud TalkFree plan AndroidAPIiPhone+5Choose Nextcloud Talk if you want communication integrated with Nextcloud collaboration tools, with self-hosting and external service bridges.
- 12
Pumble
Free plan AndroidAPIiPhone+4Pumble covers team messaging, file sharing, and meetings, with unlimited message history on the free plan.
- 13
- 14
Slack
Free plan AndroidiPhoneLinux+3Slack combines channel conversations, app integrations, automation and built-in AI features across a wide range of platforms.
- 15
Troop Messenger
by Troop MessengerFree plan AndroidiPhoneLinux+3Troop Messenger offers team messaging across desktop and mobile platforms, with guest access and several listed integrations.
- 16
Twist
Free plan AndroidiPhoneLinux+3Choose Twist if your team wants channel-based messaging, guest access, and apps across desktop and mobile platforms.
- 17
- 18
- 19
Kakao Work
Free plan AndroidiPhoneLinux+3 - 20
- 21
- 22
Cisco Jabber
Paid AndroidiPhoneMac+1 - 23
Clariti
Paid MacWebWindows
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
Use the free plan, entry paid price, message history limit, meeting size, file storage per user, guest access and retention controls for comparison. Check trial terms, supported platforms and whether an open-source licence lets you read or change the code.
Questions
Are free team communication plans available?
Yes. Items on this list offer free plans, while other products use paid or freemium pricing. Check the limits attached to the plan.
Which platforms do these tools support?
Across the list, supported platforms are Windows, macOS, web, Android, iOS and Linux. Confirm support for the specific product you plan to use.
Can I try a paid plan before paying?
A free trial is offered by items on this list. Google Chat shows a 14-day trial, while each product sets its own trial terms.
What should I compare for meetings?
Compare video meeting availability and the participant limit. The suitable choice depends on the meeting size your team needs.
Do these tools provide open-source code?
Open-source code is offered by items on this list. Check the specific licence if you need to inspect or modify the code.
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