Technical Builder Resources
A few tools I've used that could be helpful for automating building are below:
Web-based platform that will allow you to map/diagram your processes.
Useful list for Fields: Field formulas action, as well as Tables: Apply formulas to columns, and CSV: Apply formulas to columns.
Useful for checking regular expressions, for e.g. field validation, or formulas.
CSS Selector Reference
Useful for Browser: suite of actions, when defining your own CSS selectors for a browser automation.
Useful for combining CSS selectors in Browser: suite of actions.
If constructing JSON with a sequence of steps for a Web API: action, it can be useful to run a syntax check on your schema.
There are also a few browser extensions available on the web that allow you to copy CSS selectors for objects on a page.