starting with ATK I found examples and documentation in various places and thought I’d make a list to ease start for others. Feel free to add!
If you think this list is obsolete please remove it, but I found myself searching around quite a bit
Agile Toolkit Youtube Channel
Agile UI Docs: http://agile-ui.readthedocs.io/en/latest/
Agile Data Docs: http://agile-data.readthedocs.io/en/develop/
Agile Core Docs: http://agile-core.readthedocs.io/en/develop/
DSQL Docs: http://dsql.readthedocs.io/en/develop/
Romans articles on medium: https://medium.com/@romaninsh