YLTextView
UITextView subclass with placeholder, it supports Arabic language which is Right-To-Left.
###How to use it
Just create the textview and set the placeholder, then add it to a view, done!
YLTextView* textview = [[YLTextView alloc] initWithFrame:CGRectMake(10, 30, 300, 100)];
textview.placeholder = NSLocalizedString(@"say_something", nil);
[self.view addSubview:textview];
Screen shots
Here are two screen shots for English and Arabic, it shows two kinds of text including LTR and RTL:
