The design is flawless, and it's so easy to get started. You can setup a big project and start managing it's workflow in minutes, and you can customize how you use the product to fit your needs.
The only thing it is missing is a mobile application, which I'm guessing is in the works.
We're making software of our own, and Wiplo has been great at communicating who's working on what, and the roadmap for the future. It's easy to collaborate and we send way less emails because of it!