The best part of high flyer is that it has all the necessary features for managing payrolls, time-sheets etc. It can be integrated quickly in any application without having to write code or use third party integration tools. I haven't found anything so far which I'd dislike about this product. If your requirements are simple then I would definitely recommend using this software if not already doing so.
We have been able to integrate our ERP systems like Successfactors easily without writing any