Realtime application framework for Node.JS, with HTML5 WebSockets and cross-browser fallbacks support.
A sticky load balancer optimized for realtime apps
Embedded, realtime data analytics and visualization.
Dashku Open Source Edition - Realtime dashboards and widgets
a Node.js Realtime BaaS like Firebase by Socket.io and MongoDB
Best opinionated realtime framework to lift heavy functionality lightening quick with node.js
Realtime communication platform for Java / ActionScript / C# / HTML5 / and many more using Sockets, Websockets, HTML Longpolling
A realtime Planning Poker application for distributed Agile teams
Nodestatus - vmstat, iostat, etc... realtime in your browser
An extremely hackable full realtime twitter client
Realtime Dashboard - enables easy consumption of data by interacting with online services on the internet or company intranet and presenting it in a form of a dashboard that updates its contents in real-time.
Realtime feature & suggestion voting platform
Pushetta is a Web API that provides an unificated way to send realtime notifications to multiple devices. Used with Arduino Yun it's possible to send alert, informations or any data in realtime to groups of subscribers (more on www.pushetta.com)