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Comparison · Meetings
Kaltura vs rtpengine
A side-by-side editorial comparison of Kaltura and rtpengine — release velocity, themes, recent moves, and the top alternatives to consider.
Kaltura vs rtpengine: at a glance
What is Kaltura?
Kaltura goes all-in on agentic AI video — Event OS, avatar roleplay, and an open-sourced AI Agent Skills suite.
Kaltura is in the middle of a sharp pivot toward agentic AI for rich-media platforms. In a single month it has open-sourced an AI Agent Skills suite (so any third-party AI agent can build rich-media experiences), introduced Event OS for AI Agents (natural-language event creation and orchestration), unveiled an avatar-powered roleplay solution for enterprise training, and is presenting an Agentic Revenue Engagement Platform at Forrester. The releases are tightly aligned around one thesis.
What is rtpengine?
rtpengine opens the mr26.3 branch with a rollback message and leaner call state.
Sipwise's rtpengine media proxy opened a new mr26.3 branch on October 19. Its first build, mr26.3.1.1, carries everything from mr26.2.1.5 plus a rollback NG control message, relaxed loop detection for duplicate packets arriving over a second apart or from endpoints no longer local, ICE agent teardown when a peer drops ICE, inject-audio mixing fixes, and a long run of "lightweight string" refactors across call IDs, tags, SDP and recording fields. Three days earlier, a hardening batch went to four branches, followed by compile-fix releases.
Kaltura vs rtpengine: editorial side-by-side
Kaltura
8.8MEETINGS
Kaltura goes all-in on agentic AI video — Event OS, avatar roleplay, and an open-sourced AI Agent Skills suite.
◆ Current state
Kaltura is in the middle of a sharp pivot toward agentic AI for rich-media platforms. In a single month it has open-sourced an AI Agent Skills suite (so any third-party AI agent can build rich-media experiences), introduced Event OS for AI Agents (natural-language event creation and orchestration), unveiled an avatar-powered roleplay solution for enterprise training, and is presenting an Agentic Revenue Engagement Platform at Forrester. The releases are tightly aligned around one thesis.
◆ Where it's heading
The arc is clearly from a video platform into an agentic-AI orchestration layer that happens to specialize in video. Kaltura is staking out the position that video, events, training, and revenue engagement should all be run through AI agents talking to its platform — and is willing to open-source the agent-skills layer to make Kaltura the default endpoint for rich-media agents.
◆ Prediction
Expect a paid agent runtime or pricing model on top of the open-sourced skills, deeper avatar/roleplay options for enterprise L&D, and Event OS plug-ins for major collaboration platforms (Teams, Slack, Google Workspace). The next big tell will be how serious enterprise adoption of Event OS becomes versus staying a demo-stage capability.
rtpengine
5.0MEETINGS
rtpengine opens the mr26.3 branch with a rollback message and leaner call state.
◆ Current state
Sipwise's rtpengine media proxy opened a new mr26.3 branch on October 19. Its first build, mr26.3.1.1, carries everything from mr26.2.1.5 plus a rollback NG control message, relaxed loop detection for duplicate packets arriving over a second apart or from endpoints no longer local, ICE agent teardown when a peer drops ICE, inject-audio mixing fixes, and a long run of "lightweight string" refactors across call IDs, tags, SDP and recording fields. Three days earlier, a hardening batch went to four branches, followed by compile-fix releases.
◆ Where it's heading
Development continues on two levels: correctness fixes backported across every supported branch, and newer work, such as the rollback message and memory-lighter call state, landing on the newest line. Opening mr26.3 adds a fifth maintained branch, so the backport load grows.
◆ Prediction
Expect mr26.3.1.x point builds and continued synchronized backports to mr12.5 through mr26.2. The entries don't show when older branches stop receiving fixes.
Alternatives to Kaltura and rtpengine
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 Kaltura or rtpengine.
HOMER
HOMER 11.0.369 fixes S3 auth on Ceph-based storage and stops compaction memory growth.
Element Call
Element Call starts moving to new LiveKit transports and falls back to remote SFUs when needed.
JW Player
JW Player moves CMAF VOD into the dashboard, adds AV1, and opens Broadcast Live to audio-only feeds.
Nextcloud Talk Desktop
Nextcloud Talk Desktop 2.3.3 adds accessibility options and bundles Talk v25.0.6.
Nextcloud Talk
Nextcloud Talk patches v22 and v23 while v25 stable sits five weeks past its last RC.
See all Kaltura alternatives → · See all rtpengine alternatives →
Recent activity from Kaltura and rtpengine
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 10d agortpengineFirst mr26.3 build adds rollback message, lighter call state
- 13d agortpenginemr13.5.1.30 fixes a compile error in the previous build
- 13d agortpenginemr26.0.1.26 fixes a compile error in the previous build
- 13d agortpenginemr26.2.1.5 fixes a compile error in the previous build
- 13d agortpenginemr26.0.1.25: SDP state, DTX and parsing-safety fixes
- 13d agortpenginemr13.5.1.29 backports a runaway-recursion guard
- 5mo agoKalturaKaltura Open-Sources Suite of AI Agent Skills, Enabling Any AI Agent to Build Intelligent Rich-Media Digital Experiences ⚡
- 6mo agoKalturaKaltura Introduces Event OS for AI Agents, Enabling Organizations to Create and Orchestrate Events Through Natural-Language Conversation ⚡
- 6mo agoKalturaKaltura Introduces Event OS for AI Agents, Enabling Organizations to Create and Orchestrate Events Through Natural-Language Conversation
- 6mo agoKalturaKaltura Unveils Avatar-Powered Roleplay Solution for Enterprise Training and Simulations ⚡
- 6mo agoKalturaKaltura Unveils Avatar-Powered Roleplay Solution for Enterprise Training and Simulations
- 6mo agoKalturaKaltura to Present Agentic Revenue Engagement Platform at Forrester B2B Summit 2026, Showcasing the Shift From Static Content Publishing to Intent-Aware, AI-Powered Buyer Journeys
Frequently asked questions
What is the difference between Kaltura and rtpengine?
They serve adjacent needs but don't currently overlap on shipped themes. Kaltura is currently shipping more aggressively (velocity 8.8 vs 5.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Kaltura better than rtpengine?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Kaltura is currently shipping more aggressively (velocity 8.8 vs 5.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Meetings products to evaluate alongside.
What are the best alternatives to Kaltura?
Top Kaltura alternatives in Meetings are ranked by recent ship velocity. Browse the "Kaltura alternatives" section above for the current picks, or visit /alternatives/kaltura for the full list with editorial commentary on each.
What are the best alternatives to rtpengine?
Top rtpengine alternatives in Meetings are ranked by recent ship velocity. Browse the "rtpengine alternatives" section above for the current picks, or visit /alternatives/rtpengine for the full list with editorial commentary on each.