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Comparison · Meetings
BigBlueButton vs SRS
A side-by-side editorial comparison of BigBlueButton and SRS — release velocity, themes, recent moves, and the top alternatives to consider.
Shared themes:self-hosted
BigBlueButton vs SRS: at a glance
What is BigBlueButton?
BigBlueButton is polishing the 4.0 beta it already committed to LiveKit, while 3.0 stays the production line.
The 4.0 beta series is in its fifth iteration and the hard architectural decisions are behind it — LiveKit became the default media stack in beta.4 with the legacy SIP.js bridge deleted, BlockNote became the default shared notes engine, and the JVM moved to Java 21. Beta.5 is consolidation: a mobile layout overhaul with paginated webcams and landscape side-by-side camera and presentation, automatic light/dark switching, a dedicated Audio settings tab with push-to-talk, and better BBB-to-LiveKit state reconciliation on reconnect. Packaging gained a bbbctl admin tool and a bbb-coturn package, with bbb-etherpad and bbb-pads now optional. The project still recommends 3.0.x for production.
What is SRS?
SRS opens a 7.0 line built on a Go proxy tier, and drops features it no longer wants to carry.
SRS shipped the stable 6.0 line's first release on 12 August and, three hours later, the first development build of 7.0. The 6.0 line is now in pure maintenance — the r1 changelog is seven merges of DVR, WebRTC and edge fixes. Everything new is in 7.0-d0: RTSP playback, RTMPS, IPv6 across every protocol, HEVC in both directions between RTMP and WebRTC, and HLS fMP4 segments for HEVC and LL-HLS.
BigBlueButton vs SRS: editorial side-by-side
BigBlueButton
6.3MEETINGS
BigBlueButton is polishing the 4.0 beta it already committed to LiveKit, while 3.0 stays the production line.
◆ Current state
The 4.0 beta series is in its fifth iteration and the hard architectural decisions are behind it — LiveKit became the default media stack in beta.4 with the legacy SIP.js bridge deleted, BlockNote became the default shared notes engine, and the JVM moved to Java 21. Beta.5 is consolidation: a mobile layout overhaul with paginated webcams and landscape side-by-side camera and presentation, automatic light/dark switching, a dedicated Audio settings tab with push-to-talk, and better BBB-to-LiveKit state reconciliation on reconnect. Packaging gained a bbbctl admin tool and a bbb-coturn package, with bbb-etherpad and bbb-pads now optional. The project still recommends 3.0.x for production.
◆ Where it's heading
The 4.0 line is converging toward a release candidate, and the work has shifted from replacing subsystems to making the new ones survive real conditions — reconnects, phones, and administrator tooling. Making etherpad and pads optional alongside a security advisory that urges API secret rotation points at shrinking the default install's attack surface. The parallel 3.0.x train continues shipping security patches, so the ecosystem is carrying two branches until 4.0 stabilises.
◆ Prediction
Expect beta.6 or a release candidate to focus on the LiveKit reconnection and mobile paths that beta.5 only started, since those are the areas where a self-hosted media migration typically breaks. The optional-package work suggests a slimmer default deployment is being prepared for the 4.0 release.
SRS
6.3MEETINGS
SRS opens a 7.0 line built on a Go proxy tier, and drops features it no longer wants to carry.
◆ Current state
SRS shipped the stable 6.0 line's first release on 12 August and, three hours later, the first development build of 7.0. The 6.0 line is now in pure maintenance — the r1 changelog is seven merges of DVR, WebRTC and edge fixes. Everything new is in 7.0-d0: RTSP playback, RTMPS, IPv6 across every protocol, HEVC in both directions between RTMP and WebRTC, and HLS fMP4 segments for HEVC and LL-HLS.
◆ Where it's heading
The project is trading breadth of legacy surface for a narrower, better-covered core. 7.0-d0 removes the embedded GB28181 SIP server, multi-threading, Cygwin, and most configuration hot reload, while introducing a Go proxy server and origin-cluster architecture alongside the C++ media core. Protocol coverage keeps generalizing — each release makes a codec or an address family a property of the server rather than of one delivery path.
◆ Prediction
Expect the 7.0 line to run a long alpha and beta train the way 6.0 did, with the Go proxy and origin clustering carrying most of the remaining work and 6.0 continuing to receive backported fixes in parallel.
Alternatives to BigBlueButton and SRS
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 BigBlueButton or SRS.
Vimeo
Vimeo ships another batched product post: six changes to embeds and the player
Switcher Studio
Switcher Studio's feed is a livestreaming how-to blog, not a changelog
Mux
Every manual control Mux ships now arrives with a Robots workflow that does it for you
WebinarJam
WebinarJam's feed is a funnel-marketing curriculum with no product releases in it.
Muvi
Muvi cleared SOC 2 and immediately turned it into the centerpiece of its enterprise pitch.
See all BigBlueButton alternatives → · See all SRS alternatives →
Recent activity from BigBlueButton and SRS
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 5d agoBigBlueButton4.0 beta.5: mobile layout overhaul, audio settings, bbbctl admin tool
- 6d agoSRSSRS 7.0-d0: Go proxy tier, RTSP playback, IPv6 across protocols ⚡
- 6d agoSRS6.0-r1: DVR, WebRTC and edge fixes on the stable line
- 26d agoBigBlueButton4.0 beta.4: LiveKit becomes the default media stack, SIP.js bridge removed ⚡
- 2mo agoBigBlueButton4.0 beta.3: layout system rebuilt, Unified layout becomes default
- 5mo agoBigBlueButton3.0.23: breakout-room fixes, security patches, renamed bbb-web properties
- 6mo agoBigBlueButton3.0.22: client and core fixes, security patches
- 6mo agoBigBlueButton3.0.21: security fixes and minor client improvements
- 8mo agoSRSSRS 6.0 goes stable with H.265 across RTMP, HLS, TS and SRT ⚡
- 9mo agoSRS6.0-b3: use-after-free and HLS cleanup fixes
- 10mo agoSRS6.0-b2: configurable SRT stream IDs and a WHIP transcoding fix
- 11mo agoSRS6.0-b1: RTC crash fixes, Windows binary dropped
Frequently asked questions
What is the difference between BigBlueButton and SRS?
Both compete on the same themes — self-hosted — within Meetings. BigBlueButton and SRS are shipping at a similar cadence (velocity 6.3 vs 6.3, 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 BigBlueButton better than SRS?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. BigBlueButton and SRS are shipping at a similar cadence (velocity 6.3 vs 6.3, 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 BigBlueButton?
Top BigBlueButton alternatives in Meetings are ranked by recent ship velocity. Browse the "BigBlueButton alternatives" section above for the current picks, or visit /alternatives/bigbluebutton for the full list with editorial commentary on each.
What are the best alternatives to SRS?
Top SRS alternatives in Meetings are ranked by recent ship velocity. Browse the "SRS alternatives" section above for the current picks, or visit /alternatives/srs for the full list with editorial commentary on each.