# Ant Media Server: A WebRTC-First Streaming Engine With Two Editions to Choose Between > Ant Media Server is a Java media server built around sub-second WebRTC delivery, with SRT, RTMP, RTSP, HLS and CMAF alongside it. The interesting decision is not the codec list, it is which edition you actually need. **ant-media/Ant-Media-Server** — Ant Media Server — Ultra-low latency streaming engine with WebRTC (~0.5s), SRT, RTMP, HLS, CMAF, adaptive bitrate, transcoding & scaling - Repository: https://github.com/ant-media/Ant-Media-Server - Website: https://antmedia.io - Stars: 4,738 · Forks: 694 - Language: Java - License: NOASSERTION - Published: 2026-09-23 · Updated: 2026-09-23 · Language: en - Canonical page: https://hysenlabs.com/projects/ant-media-ant-media-server ## The latency problem Ant Media Server was built to solve Classic HLS delivery works by chopping video into segments and letting the player buffer several of them. That buffering is what makes HLS reliable over bad networks, and it is also what puts a viewer several seconds behind the camera. For a recorded broadcast that delay is invisible. For an auction, a remote consultation or a classroom where someone is expected to answer, it breaks the product. Ant Media Server targets that gap. The README describes it as a scalable open source media server for ultra-low latency live streaming with WebRTC at roughly 0.5 seconds, and lists SRT, RTMP, RTSP, HLS and CMAF Low-Latency HLS as the surrounding protocols. The intended audience is developers building real-time video applications rather than broadcast engineers pushing a single channel: the README names telehealth, e-learning, sports streaming, auctions and enterprise video, and points to SDKs for iOS, Android, React Native, Flutter, Unity and JavaScript. The protocol list is the actual product. A publisher can arrive over RTMP from OBS, over SRT from a hardware encoder, or over RTSP from an IP camera, and the server is expected to fan that out to WebRTC viewers for the interactive ones and HLS or CMAF for the ones who can tolerate a delay. Adaptive bitrate and transcoding sit in the middle so a single ingest can serve different network conditions. ## How the server is put together, and what the repository tells you The primary language is Java, and the top-level layout reflects a Maven build: pom.xml, src/, mvn-settings.xml, and a red5-eclipse-format.xml file that points at the Red5 lineage this project descends from. Two shell scripts, repackage_community.sh and repackage_enterprise.sh, exist side by side, which is the clearest structural signal in the repository: the Community and Enterprise editions are built from the same tree and separated at packaging time, not maintained as two codebases. That has a practical consequence. The repository carries two separate licence files, COMMUNITY_EDITION_LICENSE and ENTERPRISE_EDITION_LICENSE, and the GitHub metadata reports the licence as NOASSERTION, meaning the automated classifier could not map it to a standard SPDX identifier. Anyone who needs licence certainty has to read those two files directly. The README does not summarise what either one grants. Beyond that, the README is a marketing and navigation document rather than an architecture guide. It links to antmedia.io/docs/quick-start/ for features, installation and API references, and to GitHub Discussions for community support. Details of the internal data flow, how streams are registered, how the REST API is shaped, are not in the README, so treat the documentation site as the source of truth for anything below the surface. ## Installing Ant Media Server on Linux and publishing a first stream The README does not embed install commands. It points to three routes: a Linux install script documented at antmedia.io/docs/guides/installing-on-linux/installing-ams-on-linux/, one-click images on the AWS, Azure and GCP marketplaces, and Docker or Kubernetes. The Community Edition release artefacts are on the GitHub releases page, and the most recent release listed there is ams-v3.1.0 from 2026-08-31. For a self-hosted Linux install, follow the linked guide rather than improvising, because it also covers the SSL step that WebRTC publishing in a browser effectively requires. The documentation keeps SSL setup in its own page under the same Linux section. Once the server is up, the fastest way to confirm it works is the WebRTC sample page the README links at antmedia.io/webrtc-samples. Those samples connect to a running instance and exercise publish and play. The README itself gives no REST example, so the API shape should be read from the documentation rather than guessed. Docker is the other common route and the one most people search for. The repository does not document a compose file at the top level, so the image tag and volume layout should come from the official documentation rather than from a third-party blog post, which may target an older AMS version. ## Community versus Enterprise is the decision that matters The README states the split plainly: choose Community for essentials or Enterprise for advanced features and support. It does not enumerate which features fall on which side. That silence is the single largest gap in the published front page, and it is the question a reader is most likely to arrive with, since both the related searches and the search questions show people asking directly for the Community versus Enterprise comparison. What can be confirmed from the repository is the mechanics: two packaging scripts, two licence files, one source tree. What cannot be confirmed from the README is a feature matrix. The README links to a 14-day free trial for the Enterprise Edition and to support packages, and it says Enterprise includes email support while Community support runs through GitHub Discussions. Everything else about the boundary has to be read on the documentation site. My read is that this is a deliberate commercial structure rather than an oversight, and it is worth naming as a trade-off. You get a genuinely open core you can install and run, and you also get a feature boundary that is not visible from the repository alone. Budget time to map your requirements against the published edition comparison before you build anything on top. ## Where Ant Media Server is the wrong tool Two failure modes stand out from what the repository and README actually support. The first is platform. The README documents Linux install scripts, SSL setup, cloud marketplace images and Docker or Kubernetes. There is no Windows installation path in the README, despite Windows being a common search term around this project. If your deployment target is a Windows host, the documented routes do not cover you, and you would be relying on unsupported improvisation. The second is scale of a different kind. Ant Media Server is a JVM service that does transcoding, adaptive bitrate, WebRTC termination and recording. That is a lot of moving parts to operate. If your actual requirement is to take one RTMP feed and re-serve it as HLS to a few hundred viewers, you are paying for WebRTC signalling, transcoding and a clustering story you will never use. The README's own framing is real-time interactive video; a plain distribution job sits outside it. A third, softer limitation: the README claims sub-0.5s latency, but latency in a WebRTC deployment depends on the publisher's encoder settings, the network path and the client. The documentation states the figure; it is not something the README qualifies with the conditions under which it holds. ## How it compares to MediaMTX and Wowza MediaMTX is the closest open source comparison and people search for it directly. MediaMTX is a Go binary that reads and republishes streams across RTSP, RTMP, HLS, WebRTC and SRT with a configuration file and almost no runtime footprint. Ant Media Server is a Java application with a REST API, applications, adaptive bitrate, recording, clustering and SDKs. If you want a small relay you can drop on a box and forget, MediaMTX's approach fits better. If you want an application server with an API your product calls into, and mobile SDKs so you do not write the client yourself, Ant Media Server is the one with that surface. The cost is operational weight and a JVM to tune. Wowza is the commercial incumbent, and the comparison is really about licensing and control. Ant Media Server gives you a source tree you can read and a Community Edition you can run without a commercial agreement, with the Enterprise Edition as the paid tier. Wowza is proprietary. The trade is the familiar one: you take on installation, SSL, upgrades and scaling yourself in exchange for visibility into the code and no per-instance licence negotiation. The README's cloud marketplace links and the CloudFormation auto-scaling guide are the project's answer to the operational burden, and they are worth reading before you decide the self-hosted route is cheaper. ## Maintenance, upgrades and licence questions to settle early The repository is not archived, and the last push was on 2026-09-22. Releases are frequent enough to suggest a maintained project: ams-v3.1.0 on 2026-08-31, ams-v3.0.3 on 2026-05-05, ams-v3.0.2 on 2026-05-04. The 3.0.2 to 3.0.3 gap of one day looks like a patch pair rather than two independent feature drops, so read the release notes for each before upgrading. Upgrade cost is the part the README does not address. There is no rollback procedure, no version compatibility matrix and no statement about whether configuration survives a minor upgrade. The repository does contain data.properties, which suggests configuration is file-based and therefore something you should back up before any upgrade, but the README does not document that workflow. Treat the documentation site as the place to look, and if it is silent, snapshot the instance. On licensing: the GitHub metadata reports NOASSERTION, and the repository holds COMMUNITY_EDITION_LICENSE and ENTERPRISE_EDITION_LICENSE as separate files. That is a signal to read both, not a signal about what they say. Whether the Community Edition licence suits commercial use, and what the Enterprise terms require, are questions for those two files and, if the stakes are high, for a lawyer. Nothing here should be read as legal advice. ## Conclusion Adopt Ant Media Server if you need sub-second interactive video and are willing to run a JVM service on Linux, Docker or Kubernetes, and start from the Community Edition release on the GitHub releases page rather than from a tutorial written for an older version. Do not adopt it if your workload is plain one-to-many HLS distribution, where a smaller relay will do, or if you need Windows as the host, since the README only documents Linux scripts, cloud marketplace images and Docker. Before committing, verify three things against the current documentation: which of the features you need live in the Enterprise Edition, what the COMMUNITY_EDITION_LICENSE file in the repository actually permits for your use, and whether the AMS version you install matches the SDK versions your mobile or web clients already use. ## FAQ ### Is Ant Media Server free? There is a Community Edition, and the README frames the choice as Community for essentials versus Enterprise for advanced features and support. The repository carries separate COMMUNITY_EDITION_LICENSE and ENTERPRISE_EDITION_LICENSE files, and the README does not state pricing, so the terms of the free tier have to be read from the Community licence file. ### How much does Ant Media Server cost? The README does not publish prices. It links to a 14-day free trial for the Enterprise Edition, to support packages, and to cloud marketplace listings, so cost depends on the edition and the deployment route you pick. ### What is Ant Media Server? It is an open source media server written primarily in Java, described in the README as a scalable engine for ultra-low latency live streaming with WebRTC at roughly 0.5 seconds, alongside SRT, RTMP, RTSP, HLS and CMAF. It also covers adaptive bitrate, recording and cloud auto-scaling. ### How do I install Ant Media Server on Ubuntu? The README does not embed install commands. It links to a Linux install script guide at antmedia.io/docs/guides/installing-on-linux/installing-ams-on-linux/ and to a separate SSL setup page, and the Community Edition release artefacts are on the GitHub releases page. Docker and Kubernetes are listed as alternative deployment routes. ### What is the difference between Ant Media Server Community and Enterprise? The README says Community covers essentials and Enterprise adds advanced features and support, with Enterprise including email support while Community support runs through GitHub Discussions. The README does not list which features sit on which side, so the edition comparison on the documentation site is the place to confirm that. ### What is an ant server? In this context the phrase refers to Ant Media Server, an open source streaming engine for WebRTC, SRT, RTMP, RTSP, HLS and CMAF. The README does not describe any other product under that name. ## Sources - [ant-media/Ant-Media-Server on GitHub](https://github.com/ant-media/Ant-Media-Server) - [Issues](https://github.com/ant-media/Ant-Media-Server/issues) - [Project website](https://antmedia.io) - [README](https://github.com/ant-media/Ant-Media-Server/blob/master/README.md) - [Releases](https://github.com/ant-media/Ant-Media-Server/releases) --- Hysen Labs editorial analysis, written from the project's own repository and release notes. Cite the canonical page: https://hysenlabs.com/projects/ant-media-ant-media-server