The Living Thing / Notebooks :

EZ cross-platform apps

Low-code/ Rapid Application Development, that works across devices

Some very brief notes towards low-friction ways I find of letting people do stuff, especially data collection for citizen data science, with their mobile phones. See also javascript apps.

Parse framework claims to be a cross-platform-full-stack integrated open source app frameork whatsit. Protogrid is corporate hosted and seems to be designed for rapid data acquisition/editing.