GitDuck is a video call tool built for developers that enables you to talk, share your code and do pair programming with ease.

PeerTube is a free, decentralized, federated video platform powered by ActivityPub and WebTorrent, that uses peer-to-peer technology to reduce load on individual servers when viewing videos.

Jitsi is a set of open-source projects that allows you to easily build and deploy secure videoconferencing solutions. At the heart of Jitsi are Jitsi Videobridge and Jitsi Meet, which let you have conferences on the internet, while other projects in the community enable other features such as audio, dial-in, recording, and simulcasting.

An HTML5 Flash Video (FLV) Player written in pure JavaScript without Flash. LONG LIVE FLV!

A simple, accessible HTML5 media player

Able Player is a fully accessible cross-browser media player. It uses the HTML5 <audio> or <video> element for browsers that support them, and (optionally) the JW Player as a fallback for those that don’t.

Asciinema is a free and open source solution for recording the terminal sessions and sharing them on the web.

Popcorn Maker makes it easy to enhance, remix and share web video. Use your web browser to combine video and audio with content from the rest of the web — from text, links and maps to pictures and live feeds.

HTML5 <video> and <audio> made easy.
One file. Any browser. Same UI.

LeanBack Player is a Javascript based HTML5 Video and Audio Media Player UI that uses build-in HTML5 <video> and <audio> element functionality of standard browsers, platforms and devices. It's very easy to integrate, it's skinnable by using CSS, it's independent of any other javascript libraries, it's adaptable by using extensions and it's free for non-commercial use.

Flowplayer is a beautiful and minimalistic, yet full-featured HTML5 video player that lets your video be the star of the show. Supports all devices.