Zero privacy. Collecting your data, sharing with unknown 3rd parties. Unacceptable.

Sync error with Dropbox for versions, and wiped out most of scripts time and time again. I cannot bear it anymore... : (

Stable, and allows pretty much all standard userscript functionality

Easy to use and efficient.

UI 不错

The highly unpleasant name takes away from what is otherwise the best extension of its kind.