Sandcat is a lightweight multi-tabbed web browser that combines the speed and power of Chromium and Lua. Sandcat comes with built-in live headers, an extensible user interface and command line console, resource viewer, and many other features that are useful for web developers and pen-testers and when you need to examine live web applications.
You can download it from the following link: https://packetstormsecurity.com/files/download/126826/sandcat-5.0-beta.1.tar.gz
Source: https://packetstormsecurity.com/files/126826/Sandcat-Browser-5.0-beta.1.html