Let's Chat vs Rocket.Chat

A side-by-side comparison of two self-hosted team chat options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureLet's ChatRocket.Chat
CategoryTeam ChatTeam Chat
LicenseMITMIT
LanguageJavaScriptTypeScript
Setup difficultyMediumMedium
Min. RAM256 MB2,048 MB
Deploymentdocker, bare-metal, sourcedocker, snap, kubernetes
GitHub stars★ 9,803★ 45,947
First released20142015
ReplacesSlack, HipChatSlack, Microsoft Teams

Why pick each one

Choose Let's Chat if…

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Mature project with 9.8k GitHub stars
  • Written in JavaScript
Let's Chat details

Choose Rocket.Chat if…

  • Feature-rich Slack alternative
  • Strong integrations
  • Self-hostable
Rocket.Chat details

Frequently asked questions

Is Let's Chat or Rocket.Chat better?

Neither is universally better. Rocket.Chat has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Let's Chat and Rocket.Chat free and open-source?

Yes. Let's Chat is licensed under MIT and Rocket.Chat under MIT. Both can be self-hosted at no software cost.

Can I run Let's Chat and Rocket.Chat with Docker?

Let's Chat: yes. Rocket.Chat: yes.

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