夸别人的英语软件时，可以使用以下表达：
You did a fantastic job with the English software!
The English software you developed is truly impressive!
I'm amazed by the quality of your English software； it's top-notch!
Your English software is so user-friendly and efficient.
Congratulations on creating such an outstanding English software!
这些表达既礼貌又真诚，能够有效地夸赞对方的英语软件。根据具体情境，您可以选择最合适的句子来表达对对方工作的赞赏。