Additionally, the licenses are a pain in the ass. Not having them encourages more collaboration. Yes! While Mathematica is a great product (or ecosystem), the

Additionally, the licenses are a pain in the ass. Not having them encourages more collaboration. Yes! While Mathematica is a great product (or ecosystem), the license overhead is extremely irritating, and a bit scary if you're running business-critical apps on it. (Lost touch with the license server? Oops, your applications won't run.)