Webby allows the creation of web apps, similar to “Chrome Apps”, but does not run on Google Chrome or Chromium and uses less resources natively on Linux. It provides a simple interface for creating an viewing your Webby apps:
On Arch Linux, Webby can be installed through the AUR:
➜ yaourt webby
1 aur/webby-browser-bzr r9-1 [installed: r17-1] (2) (0.01)
A webapp browser.
==> Enter n° of packages to be installed (ex: 1 2 3 or 1-3)
==> -------------------------------------------------------
==> 1
See also an external blog on installing Webby on Ubuntu Linux. Note that Webby depends on GTK3+, so this may introduce dependency conflicts on Ubuntu.