Greenlight vs BigBlueButton

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

Not the right match-up?
FeatureGreenlightBigBlueButton
Deploy effortUnder-an-hour setupRead-the-docs project
Health score82 · Excellent92 · Excellent
CategoryVideo ConferencingVideo Conferencing
LicenseLGPL-3.0LGPL-3.0
LanguageRubyJavaScript
Setup difficultyMediumHard
Min. RAM1,024 MB8,192 MB
Deploymentdocker, sourcebare-metal, source
GitHub stars★ 852★ 9,227
First released20162009
ReplacesZoom, Google MeetZoom, Microsoft Teams

What are Greenlight and BigBlueButton?

Greenlight

Greenlight is the official simple front-end for BigBlueButton that lets users create accounts and manage their own persistent meeting rooms. It makes BigBlueButton accessible without custom integration.

  • Persistent meeting rooms
  • User self-service accounts
  • Recording management
  • BigBlueButton front-end

BigBlueButton

BigBlueButton is an open-source web conferencing system built specifically for online learning. It provides real-time sharing of audio, video, slides, whiteboard, and screen, plus breakout rooms and polling.

  • Designed for online teaching
  • Interactive whiteboard and polls
  • Breakout rooms
  • Session recording and playback

Read the full BigBlueButton guide →

Greenlight vs BigBlueButton: key differences

Greenlight is written in Ruby, while BigBlueButton is built with JavaScript. Greenlight is the lighter option, starting around 1,024 MB of RAM against 8,192 MB for BigBlueButton. BigBlueButton is the more established project (first released 2009), while Greenlight arrived in 2016. BigBlueButton has the considerably larger community, at 9,227 GitHub stars versus 852. Greenlight lists first-class Docker deployment; BigBlueButton does not.

Why pick each one

Choose Greenlight if…

  • Released under the LGPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in Ruby
Greenlight details

Choose BigBlueButton if…

  • Rich classroom features
  • Integrates with LMS platforms

Watch out for

  • Heavy resource requirements
  • Ubuntu-specific installation
BigBlueButton details

Frequently asked questions

Is Greenlight or BigBlueButton better?

Neither is universally better. BigBlueButton has the larger community, while Greenlight is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.

Are Greenlight and BigBlueButton free and open-source?

Yes. Greenlight is licensed under LGPL-3.0 and BigBlueButton under LGPL-3.0. Both can be self-hosted at no software cost.

Can I run Greenlight and BigBlueButton with Docker?

Greenlight: yes. BigBlueButton: check the project docs for container support.

Which is lighter on resources, Greenlight or BigBlueButton?

Greenlight has the smaller minimum footprint at 1,024 MB of RAM, compared to about 8,192 MB for BigBlueButton. Real-world usage depends on library size, user count, and enabled features.

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