Media Server

Scalable, Ultra Low Latency & Adaptive WebRTC Streaming Ant Media Server provides Scalable Ultra-low latency (0.5 seconds) Adaptive Live Streaming with WebRTC. It supports RTMP, RTSP, Zixi, WebRTC, Adaptive Bitrate, HLS and MP4 recording.

Open Source freemium $99.0 / Monthly (Ultra Low Latency WebRTC Streaming - Adaptive Bitrate - Cluster)

Streaming media server supporting all known streaming protocols.

Red5 is an open source Flash media server for live streaming solutions of all kinds.

A really nice and free alternative for handling live streams.

Open Source free

Light-weight media server that is freemium, pay for control panel if you need it.

Multicast video to multiple platforms. Video calls and webinars. Own video hosting. Broadcasting to thousands of viewers. Pay-per-view via PayPal. Low latency & reliable video transport. Re-use recorded files as live broadcasts.

paid Free Trial $0.05 (per hour)

DaCast provides live and on-demand video streaming solutions.

Stream live and on demand video with downloadable server software. Support for low-latency, WebRTC, and VR 360 streaming--#1 streaming server software.

Kurento is an open source software development framework providing a media server written in C/C++...

Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.

freemium $15.99 / Monthly (Pro - Great for Small Teams)

Jellyfin is a personal media server.

Open Source

Restream is your live streaming companion. Easily broadcast your content live from your browser to 30+ platforms at the same time.

freemium

Subsonic is a free, web-based media streamer, providing ubiquitous access to your music and video.