[mrThe]

Also, FuelPHP is a Rails inspired PHP Framework.

[ihsw]

Judging by the commit history[1] it seems FuelPHP isn't being actively developed anymore.

https://github.com/fuel/fuel/commits/1.5/master

Although this is the 1.5 branch, the other branches are also similarly inactive (it appears to have ended about a month ago).

[highpixels]

https://github.com/fuel/core

[mrThe]

And so? Fork it and start developing! FuelPHP have good core for start.