Download/upload files using the WebTorrent protocol (BitTorrent over WebRTC). Powered by WebTorrent, the first torrent client that works in the browser without plugins. WebTorrent is powered by JavaScript and WebRTC. Supports Chrome, Firefox, Opera (desktop and Android).

instant.io - Streaming file transfer over WebTorrent (torrents on the web)

Laverna is a JavaScript note-taking web application with a Markdown editor and encryption support. It's built to be an open source alternative to Evernote. The application stores all your notes in your browser databases such as indexedDB or localStorage, which is good for security reasons, because only you have access to them.
 
Data is secured using client-side encryption, Manage your notes, even when you're offline, Synchronizes with cloud storage services (currently only with Dropbox and RemoteStorage), Syntax highlighting, MathJax support.

Laverna is a JavaScript note-taking web application with a Markdown editor and encryption support. It's built to be an open source alternative to Evernote. The application stores all your notes in your browser databases such as indexedDB or localStorage, which is good for security reasons, because only you have access to them.

Laverna - Note taking application with Markdown editor and encryption support

Jitsi Meet is an open-source (Apache) WebRTC JavaScript application that uses Jitsi Videobridge to provide high quality, secure and scalable video conferences. Jitsi Meet allows very efficient collaboration. Users can stream their desktop or only some windows. It also supports shared document editing with Etherpad.

Jitsi Meet - Secure, Simple and Scalable Video Conferences

ShareDrop is a web application inspired by Apple AirDrop service. It allows you to transfer files directly between devices, without having to upload them to any server first. It uses WebRTC for secure peer-to-peer file transfer and Firebase for presence management and WebRTC signaling.



Sharedrop - Easy P2P file transfer powered by WebRTC - inspired by Apple AirDrop

Fonoster is the Open Source Twilio Alternative. It helps tp engage with your customer with voice or messaging with a single easy-to-use platform. 
 
Its features include: 
<ul><li>Cloud initialization with Cloud-Init</li><li>Multitenancy</li><li>Easy deployment of PBXs functionalities</li><li>Programmable Voice Applications</li><li>NodeJS SDK</li><li>Web SDK</li><li>Support for Amazon Simple Storage Service (S3)</li><li>Secure API endpoints with Let's Encrypt</li><li>Authentication with OAuth2</li><li>Authentication with JWT</li><li>Role-Based Access Control (RBAC)</li><li>Plugins-based Command-line Tool</li><li>Support for Google Speech API</li><li>Experimental support for Cloud Functions</li><li>Experimental support for Secret management</li></ul>

Fonoster is the Open Source Twilio Alternative. It helps tp engage with your customer with voice or messaging with a single easy-to-use platform. 

Fonoster - The open-source alternative to Twilio

Jam is an open source alternative to Clubhouse, Twitter Spaces and similar audio spaces. With Jam you can create audio rooms that can be used for panel discussions, jam sessions, free flowing conversations, debates, theatre plays, musicals and more. The only limit is your imagination.

Jam - Clubhouse for mini conferences, friends, communities

mediasoup provides cutting edge WebRTC video conferencing. It is a Selective Forwarding Unit (SFU) which supports both WebRTC and plain RTP input and output. It is a  Node.js module/Rust crate in server side and tiny JavaScript and C++ libraries in client side.


mediasoup - Cutting Edge WebRTC Video Conferencing

Hubl.in is a free and open source video conference solution built with love and designed with ethics in mind. It's the best way to initiate a communication anywhere with anybody and brings real time conversation to the next level. Hubl.in allows free communication without additional plugins.

Hublin - An easy and free video conference service

JsSIP is the JavaScript SIP Library. It is SIP over WebSocket (use real SIP in your web apps). JsSIP makes use of the WebRTC stack present in modern web browsers for enabling audio/video realtime communication. It comes with an easy JavaScript API that provides the user with full flexibility over the SIP application running in the web.

JsSIP - the JavaScript SIP library

Meething is a semi-decentralized conference bridge using modern WebRTC, GunDB and MediaSoup to produce a hybrid MESH-SFU with strong privacy, zero user data retention and powerful off-grid capabilities.

Meething - Decentralized Real-time communications

Friends is like Slack except P2P, offline friendly and open source. Data is transmitted over secure channels and messages are authenticated. It is made by a group of open source developers who are motivated to make a public chat platform that is easy to use but isn't centrally controlled, and where data is owned by its users. 

Friends - P2P chat powered by the web

Mirotalk is a free browser based real-time video calls.
Simple, Secure, Fast. Powered by WebRTC using google Stun and numb Turn. Mirotalk provides video quality and latency not available with traditional technology.
 
Features:
<ul>
<li>No download, plug-in or login required, entirely browser based</li>
<li>Unlimited number of conference rooms without call time limitation</li>
<li>Desktop and Mobile compatible</li>
<li>Optimized Room Url Sharing (share it to your participants, wait them to join)</li>
<li>WebCam Streaming (Front - Rear for mobile)</li>
<li>Audio Streaming</li>
<li>Screen Sharing to present documents, slides, and more...</li>
<li>File Sharing, share any files to your participants in the room</li>
<li>Select Audio Input - Output &amp;&amp; Video source</li>
<li>Recording your Screen, Audio and Video</li>
<li>Chat with Emoji Picker &amp; Private messages &amp; Save the conversations</li>
<li>Simple collaborative whiteboard for the teachers</li>
<li>Full Screen Mode on mouse click on the Video element</li>
<li>Possibility to Change UI Themes</li>
<li>Right click on the Video elements for more options</li>
<li>Direct <code>peer-to-peer</code> connection ensures lowest latency thanks to <code>webrtc</code></li>
<li>Supports <code>API</code> (Application Programming Interface)</li>
</ul>

Mirotalk is a free browser based real-time video calls.
Simple, Secure, Fast. Powered by WebRTC using google Stun and numb Turn. Mirotalk provides video quality and latency not available with traditional technology.

Mirotalk -  WebRTC browser-based video call, chat and screen sharing

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