It wasn't that long ago that, unless you are a vertical market developer, you were likely to be developing for the desktop, and that meant Windows, Linux or macOS. Development for phones no longer means entering into convoluted EULAs and multi-thousand dollar SDKs, and now we have other devices.
If you participated in the early summer 2017 Omegabundle for Xojo 2017, you may have gotten the Linux version of Valentina Server, and if you were paying attention and cared about it, discovered that your license runs on our ARM 7 compatible Debian /Raspbian version.
And if you are an academic or educator, you can get a free copy of Valentina Server for your Raspbian projects as well, using Valentina SQLite Server, object-relational Valentina DB Server, or the powerful Valentina Reports Server.
Now with Omegabundle Mini for Xojo Web 2017, you get some wonderful kit from Monkeybread Software, Jeremie Leroy and GraffitiSuite that will let you build web apps with Xojo Web that run on the Raspberry PI. You could be carrying your client's next workgroup or vertical market solution in your pocket.