rtpengine
rtpengine backports the same DTLS and socket fixes across four maintenance branches at once.
Comparison · Meetings
Greenlight vs Restream
A side-by-side editorial comparison of Greenlight and Restream — release velocity, themes, recent moves, and the top alternatives to consider.
Greenlight vs Restream: at a glance
What is Greenlight?
Greenlight 3.9 makes URL_HOST mandatory, forcing admin action on every self-hosted deployment.
Greenlight, the BigBlueButton web frontend, is in a security-maintenance phase. The 3.8.x series was dominated by gem updates and language patches; 3.9.0 introduces multiple undisclosed security fixes alongside a breaking change that requires URL_HOST to be set in .env or the application will refuse to start. A follow-up hotfix landed hours later to address a startup crash introduced in the release.
What is Restream?
Restream's webinars get a registration page and a CSV of leads, turning broadcasts into a pipeline
Restream ships about one user-facing change a week across three surfaces: the live Studio (free element positioning, live edit mode, per-scene screen shares), destinations (X chat replies and analytics, Rumble clip publishing), and Clips, which now ingests public YouTube links. The newest release gives webinars a single registration-to-replay link and exports attendee names, emails, roles and registration details to CSV.
Greenlight vs Restream: editorial side-by-side
Greenlight
5.0MEETINGS
Greenlight 3.9 makes URL_HOST mandatory, forcing admin action on every self-hosted deployment.
◆ Current state
Greenlight, the BigBlueButton web frontend, is in a security-maintenance phase. The 3.8.x series was dominated by gem updates and language patches; 3.9.0 introduces multiple undisclosed security fixes alongside a breaking change that requires URL_HOST to be set in .env or the application will refuse to start. A follow-up hotfix landed hours later to address a startup crash introduced in the release.
◆ Where it's heading
Greenlight's release cadence is maintenance-driven: security response and dependency updates rather than feature work. The 3.9.0 breaking change is the project tightening deployment requirements, likely in response to misconfiguration risks identified in security audits. The rapid hotfix points to limited pre-release testing capacity on the project.
◆ Prediction
The undisclosed 3.9.0 security fixes will be disclosed within weeks and likely explain the URL_HOST mandate — deployments without it were probably vulnerable to host header injection or similar configuration-dependent attacks.
Restream
5.0MEETINGS
Restream's webinars get a registration page and a CSV of leads, turning broadcasts into a pipeline
◆ Current state
Restream ships about one user-facing change a week across three surfaces: the live Studio (free element positioning, live edit mode, per-scene screen shares), destinations (X chat replies and analytics, Rumble clip publishing), and Clips, which now ingests public YouTube links. The newest release gives webinars a single registration-to-replay link and exports attendee names, emails, roles and registration details to CSV.
◆ Where it's heading
The webinar line that launched in July inside Slack has its first follow-up, and it points at marketing use: capturing who registered, not just streaming to them. Alongside Clips taking outside sources, Restream is building around the broadcast on both sides, collecting audiences before it and repurposing footage after it. Studio work stays incremental polish for producers running multi-scene shows.
◆ Prediction
Expect webinar lead data to move beyond CSV export, likely into direct CRM or marketing-tool handoffs, plus more Clips sources and destinations. How far the webinar product goes into registration forms and attendee follow-up is not yet visible.
Alternatives to Greenlight and Restream
Other Meetings products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Greenlight or Restream.
coturn
coturn ships three minor versions in six weeks, packaged as Docker images on three registries.
OpenSIPS
OpenSIPS 4.0 is in release-candidate testing, with two RCs a month apart.
Kamailio
Kamailio's tracked feed shows one thing: a quiet, schema-stable 5.8 maintenance release.
JW Player
JW Player is rebuilding its VOD pipeline around CMAF, one workflow fix at a time
BigBlueButton
BigBlueButton 4.0 rc.4 is a security-only release as the LiveKit stack hardens.
See all Greenlight alternatives → · See all Restream alternatives →
Recent activity from Greenlight and Restream
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 2d agoRestreamTurn webinar registrations into leads
- 3d agoRestreamCreate Clips from public YouTube links
- 12d agoRestreamPosition your logo, captions, and QR codes anywhere
- 24d agoGreenlightGreenlight 3.9.0.1: startup crash hotfix
- 24d agoGreenlightGreenlight 3.9.0: mandatory URL_HOST and undisclosed security fixes
- 1mo agoRestreamReply to X live chat
- 1mo agoRestreamStream to X with chat replies and viewer analytics
- 1mo agoRestreamExplore viewer analytics from X
- 2mo agoGreenlightGreenlight 3.8.2.4: security gem updates
- 4mo agoGreenlightGreenlight 3.8.2.3: security updates and translations
- 5mo agoGreenlightGreenlight 3.8.2.2: HTML support in maintenance banner
- 5mo agoGreenlightGreenlight 3.8.2.1: host configuration bypass option
Frequently asked questions
What is the difference between Greenlight and Restream?
They serve adjacent needs but don't currently overlap on shipped themes. Greenlight and Restream are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Greenlight better than Restream?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Greenlight and Restream are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Meetings products to evaluate alongside.
What are the best alternatives to Greenlight?
Top Greenlight alternatives in Meetings are ranked by recent ship velocity. Browse the "Greenlight alternatives" section above for the current picks, or visit /alternatives/greenlight for the full list with editorial commentary on each.
What are the best alternatives to Restream?
Top Restream alternatives in Meetings are ranked by recent ship velocity. Browse the "Restream alternatives" section above for the current picks, or visit /alternatives/restream for the full list with editorial commentary on each.