> Open Source is losing, SaaS is leading And what are these SaaS apps mostly built with? Open source software. They usually build on a mix of technologies th

> Open Source is losing, SaaS is leading And what are these SaaS apps mostly built with? Open source software. They usually build on a mix of technologies that can be called an "open source web technology stack". I even believe the current effort of M$ to open source some of it's technologies is geared at making sure those do not become irrelevant in the SaaS-age.