Apache Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH.
We call it clientless because no plugins or client software are required.
Thanks to HTML5, once Guacamole is installed on a server, all you need to access your desktops is a web browser.
VNC for use with the BrowserMob Selenium JavaScript Validator. This tool is made available for users of BrowserMob FREE Website Monitoring and Load Testing. The BrowserMob Local Validation Service can be downloaded from https://browsermob.com/tools.
A "Clientless" VNC solution implemented with Ajax technology. You can remote your PC anywhere without pre-installing any client. As it is purely HTTP, you can VNC even behind firewall or proxy. JavaVNC server able to run on Windows/Mac/Linux.